Delta Electronics Delphi Series DNS User's Manual
Contents
1. 3 ue e S E z KEEP OUT AREA amp bi E 2 OFF amp M O J x co Y IR Ot i t MEAT XE PIN Function ig e 1 Vo 4 57 0 180 A 29 0 11 2D 010 1 1 60 04 gt TRI 4 06 0 160 2 54 0 100 G 3 GND 4 06 0 160 X 12 70 0 5007 4 TRACK 15 24 0 600 4 5 Vin A 17 78 1 7407 6 On Off 20 32 0 800 RECOMMENDED PWB PAD LAYOUT RECOMMENDED PWB H YOUT NOTES IMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmm 0 5mm X XX ie in DS DNSOASIPOGA 07172008 X XXmmzt0 25mm X XXX in 0 010 in ka Y PART NUMBERING Product Numbers of Output Package E 7 DNS 6A 04 2 8 5 5V S Single N negative F RoHS 6 6 D Standard Function DNM 10A 10 8 3 14V PISA SN D P positive Lead Free DNL 16A MODEL LIST Model Name ws Input BM Output BENE BE Current 5 DUE penc 6A DNSO4S0AOSOGNFD 2 28 55Vdc 5 5Vdc 0 75V 3 3Vde 75 V 3 3Vdc 94 am DNS04S0A0S06PFD Nu 2 8 5 5Vdc 0 75 V 3 3Vdc NEM 94 0 DNSO4S0AOROGNFD 2 8 5 5Vdc 0 75 V 3 3Vdc 94 0 DNSO4S0AOROGPFD 2 8 5 5Vdc 0 75 V 3 3Vdc 94 0 CONTACT www delta com tw dcdc USA Europe Asia amp the rest of world Telephone Telephone 41 31 998 53 11 Telephone 886 3 4526107 x6220 East Coast 888 335 8201 Fax 41 31 998 53 53 Fax 886 3 4513485 West Coast 888 335 8208 Email DCDC delta es tw Email DCDC delta com tw Fax2. Delphi DNS Non Isolated Point of Load DC DC Power Modules 2 8 5 5Vin 0 75 3 3V 6Aout The Delphi Series DNS 2 8 5 5V input single output non isolated Point of Load DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electronics Inc The DNS series provides a programmable output voltage from 0 75V to 3 3V using an external resistor and has flexible and programmable tracking features to enable a variety of startup voltages as well as tracking between power modules This product family is available in surface mount or SIP packages and provides up to 6A of output current in an industry standard footprint With creative design technology and optimization of component placement these converters possess outstanding electrical and thermal performance as well as extremely high reliability under highly stressful operating conditions DATASHEET DS_DNS04SIP06_07172008D FEATURES High efficiency 94 5 0Vin 3 3V 6A out Small size and low profile SIP 25 4 x 12 7 x 6 7mm 1 00 x 0 50 x 0 26 Single In Line SIP packaging Standard footprint Voltage and resistor based trim Pre bias startup Output voltage tracking No minimum load required Output voltage programmable from 0 75Vdc to 3 3Vdc via external resistor Fixed frequency operation Input UVLO output OTP OCP Remote on off ISO 9001 TL 9000 ISO 14001 QS9000 OHSA S 18001 certified manufac
3. THERMAL CURVES 2 mm 33 0 37 Y 7 i F wr am e T os X Si m J ASEOS Io l L O ES Ge EE O NY O O 000 O C O O 0 G C Figure 44 Temperature measurement location The allowed maximum hot spot temperature is defined at 125 C DNSO4SOAOROG Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 5V Vo 3 3V Either Orientation Natural Convection SS Ambient Temperature C Figure 45 DNSO4S0AOROG6 Standard Output current vs ambient temperature and air velocity Q Vin 5V Vo 3 3V Either Orientation DNSO4SOAO0RO6 Standard Output Current vs Ambient Temperature and Air Velocity z Output Current A Vin 5 0V Vo 1 5V Either Orientation Natural Convection 80 85 Ambient Temperature C Figure 46 DNSO4S0AOROG Standard Output current vs ambient temperature and air velocity Vin 5V V621 5 V Either sa Orientation 1 13 d DNSO4SOAOROG Standard Output Current vs Ambient Temperature and Air Velocity 7 Output Current A Vin 5 0V Vo 0 75V Either Orientation 6 5 e fe L Shee b s b s L t toes oe beech Shee beets L iech il L Som toes bem bee Some 4 o Natural Convection 3 EE EE EE ES casco d G P EE ES Se Se Se 2 eg Ze ec et et Ze Ba Ze d ch Teen e
4. 978 656 3964 Email DCDC delta corp com WARRANTY Delta offers a two 2 year limited warranty Complete warranty information is listed on our web site or is available upon request from Delta Information furnished by Delta is believed to be accurate and reliable However no responsibility is assumed by Delta for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of Delta Delta reserves the right to revise these specifications at any time without notice DS DNSOASIPOGA 07172008 rd E at 1 6
5. Logic Low Voltage Module On Von off 0 2 0 3 V Logic High Voltage Module Off Von off 1 5 Vin max V Logic Low Current Module On lon off 10 UA Logic High Current Module Off lon off 0 2 1 mA ON OFF Control Positive Logic Logic High Voltage Module On Von off Vin max V Logic Low Voltage Module Off Von off 0 2 0 3 V Logic Low Current Module On lon off 0 2 1 mA Logic High Current Module Off lon off 10 JA Tracking Slew Rate Capability 0 1 2 V msec Tracking Delay Time Delay from Vin min to application of tracking voltage 10 ms Tracking Accuracy Power up 2V mS 100 200 mV Power down 1V mS 200 400 mV MTBF lo 80 of lo max Ta 25 C 11 52 M hours Weight 4 grams Over Temperature Shutdown Refer to Figure 45 for measuring point 130 C gee DS DNSOASIPOGA 07172008 ae 1 L L NO 1 1 1 1 1 D I D 1 1 gt 1 S 1 1 1 z g O 1 1 1 I 1 gt 1 gt 1 1 gt I I LO A Ya lo us lo N A D 7 D E u D 1 N 1 1 gt e Lt D 1 D S OI s S A gt o o o 4 1 a 5 ii 5 S 5 x T e 2 e e a m O O o O uj 3 Y S V S S S en o ca gt ca gt c c c e q Ge q T D D D N N E E 8 E gt 1 gt 1 1 S lt lt 1 1 lt ES Eod O N E st E DD 5 s x oa Ss 8 Y 3 S S x S 2 23 9 Y Y o eegxunRn 82228 LLI 25 AONSIOIHHdH AONSIOIHdH AONSIOIHHH gt U T T i O m D Ix 3 Jj a 3 O
6. is not used leave the pin floating or tie to Vin module will be On For negative logic module the On Off pin is pulled high with an external pull up 5kQ resistor see figure 35 Negative logic On Off signal turns the module OFF during logic high and turns the module ON during logic low If the negative On Off function is not used leave the pin floating or tie to GND module will be On lON OFF Figure 35 Negative remote On Off implementation Over Current Protection To provide protection in an output over load fault condition the unit is equipped with internal over current protection When the over current protection is triggered the unit enters hiccup mode The units operate normally once the fault condition is removed ef FEATURES DESCRIPTIONS CON Over Temperature Protection The over temperature protection consists of circuitry that provides protection from thermal damage If the temperature exceeds the over temperature threshold the module will shut down The module will try to restart after shutdown If the over temperature condition still exists during restart the module will shut down again This restart trial will continue until the temperature is within specification Remote Sense The DNS provide Vo remote sensing to achieve proper regulation at the load points and reduce effects of distribution losses on output line In the event of an open remote sense line the module shall maintain
7. CAL DRAWING SMD PACKAGE OPTIONAL SIP PACKAGE 6 7 0 26 o MAX 27 9 1 10 E c 25 4 1 007 i Lou 1 60 0 0637 2 3 0 09 Slo co ci sd 2 00 0797 OPTIONAL SEH a i z E a 2 Le EP Het AF j i a TRACK GNDITRIM Vout 1 6 1 00 710 120 du ON OFF 100 QUDUJ 1 2 m P Ir 710 004 1 40 0 055 o S e OS 25 x 0 50 0 020 E 457 0 180 2 54 0 100 5 25 0 206 SE 406 0 1607 12 20 E o 706 0 1607 15 24 0 6007 ee 0 190 7 78 0 700 a n 20 32 0 8007 SIDE VIEW BOTTOM VIEW BACK VIEW SIDE VIEW c ol ol EI XI E ci S S Q Vout TRIM GND TRACK D OF
8. Figure 13 Turn on delay time at 5Vin 3 3V 6A out Stopped EI Figure 15 Turn on delay time at remote turn on 5Vin 3 3V 16A out Figure 17 Turn on delay time at remote turn on with external 8 42ms 292 398Hz Stopped CHIz1 20V 277 7 CH222Y CH222Y HORH 1h45 ZS NORMS ZS capacitors Co 5000 uF 5Vin 3 3V 16A out DS DNSOASIPOGA 07172008 Ims di ims div Ims di ims div HORH 1S Ze 1ms div Stopped J ims div CH1 600m A CH2 2Y i o tad o dt did E NT CES O EO CET EDS EDD ACC CETERAE EE ar EE EQ DRIN bobo T I b b NN RT IT BI D HO eed Figure 14 Turn on delay time at 5Vin 1 8V 6A out HORH 1s 7S 1ms div Stopped J ims div BEE EE EE E ed Pal no citas an da O cere erre ERA Uc de P 3 63ms O O O O OH DEE EE Figure 16 Turn on delay time at remote turn on 3 3Vin 2 5V 16A out HORH 18S 5 Ims div Stopped q ims div EE Ee IU cc 282 4 Tan EL E ER T RET eee ee quee hehe here hr Figure 18 Turn on delay time at remote turn on with external capacitors Co 5000 uF 3 3Vin 2 5V 16A out SN ELECTRICAL CHARACTERISTICS CURVES HORMIS s 20us div 20us div Stopped CH12100mY CH222V Tu eee ea e ii E GE EE Figure 19 Typical transient response to step load change at 2 5A uS from 100 to 50 of lo max at 5Vin 3 3Vout Cout 1uF ceramic 10uF tantalum HOR
9. MIS s 20us div Stopped q 20us div CHi 100mY CH2 1 Figure 21 Typical transient response to step load change at 2 5A US from 100 to 50 of lo max at 5Vin 1 8Vout Cout 1uF ceramic 10uF tantalum DS DNSOASIPOGA 07172008 HORMIS s 20us div 20us div Stopped CH12100mY CH2 27 Figure 20 Typical transient response to step load change at 2 5A uS from 50 to 100 of lo max at 5Vin 3 3Vout Cout 1uF ceramic 10uF tantalum HORMIS s 20us div Stopped q 20us div CH12100mY CH2 1 M TOPO PO PON PO POT PONY PO POV PO PO POR esses POP A cece pre poj PO O PV POP POP HESSE EHE Enn nennen r pre pev pren prev pre A Figure 22 Typical transient response to step load change at 2 5A US from 50 to 100 of lo max at 5Vin 1 8Vout Cout 1uF ceramic 10uF tantalum SN ELECTRICAL CHARACTERISTICS CURVES CON Dus div 2015 div HORMIS fs Stopped CH12100mY CH2 1 50Y Tracel u hla x 160 Om l EL Figure 23 Typical transient response to step load change at 2 5A uS from 100 to 50 of lo max at 3 3Vin 2 5Vout Cout 1uF ceramic 10uF tantalum NORMIBDMS 5 Zus div 20us div Stopped 2r S Figure 25 Typical transient response to step load change at 2 5A uS from 100 to 50 of lo max at 3 3Vin 1 8Vout Cout 1uF ceramic 10uF tantalum 5ms diy 5ms div NORM 2O0KS s Stopped A CH4210mY Figure 27 Output short cir
10. O O v gt gt gt uw m uv oo i ej N D e E S LL ES E o E S S O 3 i O et S lt SP 8 8 8g et Q o Q o Q O I v Q o 3 y N E S x S S N O e gt e gt m e O Q O C E ES et iS is 5 lt O E E E c P D N D 1 CH D E 5 5 5 S EX EX EX C O c c U LL 9 S S ZL O O O O ma gt E LU ro ro o S 8 SS 38 SG 8 a 8 L YD 3 8 8 8 9 3 S9 amp L O AONHTDOIHHA S 95 AONSIOIHHH zi 95 AONSHIOIHHH a u u u ELECTRICAL CHARACTERISTICS CURVES CON NORM 200MS Ze us div Stopped q 2us div CH1210my Figure 7 Output ripple amp noise at 3 3Vin 2 5V 6A out MORRKA DOBAS Ze us div Stopped q 2us div AC po SEE 24 40mV 6 543mV Figure 9 Output ripple noise at 5Vin 3 3V 6A out HORH 1s 7S 1ms div Stopped AN ims div 3 58ms Figure 11 Turn on delay time at 3 3Vin 2 5V 6A out DS DNSOASIPOGA 07172008 NORM 200MS Ze us div Stopped q 2us div CH1210my Figure 8 Output ripple amp noise at 3 3Vin 1 8V 6A out HORH ZOONS Ze us div Stopped q 2us div 20 80mV E 885mV gt Figure 10 Output ripple amp noise at 5Vin 1 8V 6A out HORH 1s 5 Ims div Stopped q Ims div CHi 700mV CH2 1 50 GEELEN EE EE 8 63ms ELECTRICAL CHARACTERISTICS CURVES CON Stopped 3 34ms CH222Y 3 HORH 1h45 ZS Ims di ims div
11. Vin or unconnected Output voltage margining can be implemented in the DNS modules by connecting a resistor R margin up from the Gs en DT P ES Trim pin to the ground pin for margining up the output is voltage and by connecting a resistor Rmargin down from the ER i Trim pin to the output pin for margining down Figure 39 10 e ae y shows the circuit configuration for output voltage ne AN margining If unused leave the trim pin unconnected A calculation tool is available from the evaluation procedure which computes the values of R margin up and Rmargin dow for a specific output voltage and margin Figure 40 Sequential Start up percentage sre eeneg sre a re Rmargin down Ql On Off Trim a Bees Rmargin up Q2 Figure 41 Simultaneous MORAL TUS Fn Mei dn Kar Mi Pn Vern gw Stepp d a flame Afapped J Him aa AA LHE CHO ey CH et CHIB ey fq i pe El er ac t1 PS1 PS1 Figure 39 Circuit configuration for output voltage margining NE mmm Voltage Tracking M The DNS family was designed for applications that have output voltage tracking requirements during power up and power down The devices have a TRACK pin to Figure 42 Ratio metric implement three types of tracking method sequential Start up simultaneous and ratio metric TRACK simplifies the task of supply voltage tracking in a power system by enabling modules to track each other or any external voltage during power up a
12. ceramic zc DESIGN CONSIDERATIONS CON The power module should be connected to a low ac impedance input source Highly inductive source impedances can affect the stability of the module An input capacitance must be placed close to the modules input pins to filter ripple current and ensure module stability in the presence of inductive traces that supply the input voltage to the module Safety Considerations For safety agency approval the power module must be installed in compliance with the spacing and separation requirements of the end use safety agency standards For the converter output to be considered meeting the requirements of safety extra low voltage SELV the input must meet SELV requirements The power module has extra low voltage ELV outputs when all inputs are ELV The input to these units is to be provided with a maximum 6A time delay fuse in the ungrounded lead DS DNSOASIPOGA 07172008 FEATURES DESCRIPTIONS Remote On Off The DNS series power modules have an On Off pin for remote On Off operation Both positive and negative On Off logic options are available in the DNS series power modules For positive logic module connect an open collector NPN transistor or open drain N channel MOSFET between the On Off pin and the GND pin see figure 34 Positive logic On Off signal turns the module ON during the logic high and turns the module OFF during the logic low When the positive On Off function
13. cuit current 5Vin 0 75Vout DS DNSOASIPOGA 07172008 Dus div 2015 div HORMIS Ze Stopped CH12100mY gt CH2 150V Figure 24 Typical transient response to step load change at 2 5A US from 50 to 100 of lo max at 3 3Vin 2 5Vout Cout 1uF ceramic 10uF tantalum NORM SOMS fs 20us div 20us div Stopped CH12100mY CH2 1 Ere eee er ae Smet ce phos siete deese A eet Figure 26 Typical transient response to step load change at 2 5A US from 50 to 100 of lo max at 3 3Vin 1 8Vout Cout 1uF ceramic 10uF tantalum 1ms div 1ms div NORM AIMS s K Figure 28 Turn on with Prebias 5Vin 3 3V 0A out Vbias 1 0Vdc m Y TEST CONFIGURATIONS TO OSCILLOSCOPE V 2X100uF BATTERY Tantalum Vi Note Input reflected ripple current is measured with a simulated source inductance Current is measured at the input of the module Figure 29 Input reflected ripple test setup COPPER STRIP Resistive SCOPE Lod tantalum ceramic Note Use a 10uF tantalum and 1uF capacitor Scope measurement should be made using a BNC connector Figure 30 Peak peak output noise and startup transient measurement test setup CONTACT AND DISTRIBUTION LOSSES CONTACT RESISTANCE Figure 31 Output voltage and efficiency measurement test setup Note All measurements are taken at the module terminals When the module is not soldered via socket plac
14. e ee Se ee Se a a a X 1 0 60 65 70 75 80 85 Ambient Temperature C Figure 47 DNSO4S0AOROG6 Standard Output current vs ambient temperature and air velocity Vin 5V Vo 0 75V Either Orientation DNSO4SOAOROG Standard Output Current vs Ambient Temperature and Air Velocity Vin 3 3V Vo 2 5V Either Orientation S Output Current A Natural Convectio 60 65 70 75 85 Ambient Temperature C Figure 48 DNSO4S0AOROG6 Standard Output current vs ambient temperature and air velocity Vin 3 3V Vo 2 5V Either Orientation DS DNSOASIPOGA 07172008 DNSO4SOAOROG Standard Output Current vs Ambient Temperature and Air Velocity g Output Current A Vin 3 3V Vo 1 5V Either Orientation 6 5 4 Natural 3 Convection 2 1 1 m E 0 60 65 70 75 0 85 Ambient Temperature CC Figure 49 DNSO4SOAORO6 Standard Output current vs ambient temperature and air velocity Vin 3 3V Vo 1 5V Either Orientation DNSO4SOAOROG Standard Output Current vs Ambient Temperature and Air Velocity A Output Current A Vin 3 3V Vo 0 75V Either Orientation 4 Natural 5 Convection 2 k l li l ll 3 i l tia l n DD m 1 E 0 60 65 70 75 80 85 Ambient Temperature CC Figure 50 DNSO4SOAORO6 Standard Output current vs ambient temperature and air velocity Vin 3 3V Vo 0 75V Either Orientation MECHANI
15. e Kelvin connections at module terminals to avoid measurement errors due to contact resistance Vo x lo Vix li DS DNSOASIPOGA 07172008 pe x100 DESIGN CONSIDERATIONS Input Source Impedance To maintain low noise and ripple at the input voltage it is critical to use low ESR capacitors at the input to the module Figure 32 shows the input ripple voltage mVp p for various output models using 2x100 uF low ESR tantalum capacitor KEMET p n T491D107M016AS AVX p n TAJD107M106R or equivalent in parallel with 47 uF ceramic capacitor TDK p n C5750X7R1C476M or equivalent Figure 33 shows much lower input voltage ripple when input capacitance is increased to 400 uF 4 x 100 uF tantalum capacitors in parallel with 94 uF 2 x 47 UF ceramic capacitor The input capacitance should be able to handle an AC ripple current of at least Vout 0 B Vout Irms Tout Vin Arms Vin 200 Kach Cn ZUM 3 3V1 5 0V 1m Un c Input Ripple Voltage mVp p c 2 3 4 Output Voltage Vdc Kach Figure 32 Input voltage ripple for various output models lo 6A CIN 2x100yF tantalum 47uF ceramic 80 G gt E 60 Sp S 4 a 20 B 33Vin i 5 0Vin 0 l 2 3 4 Output Voltage Vdc Figure 33 Input voltage ripple for various output models lo 6A CIN 4x100yF tantalum Ai 2x47uF
16. local sense regulation through an internal resistor The module shall correct for a total of 0 5V of loss The remote sense line impedance shall be lt 10Q Distribution Losses Distribution Losses Distribution Distribution Figure 36 Effective circuit configuration for remote sense operation Output Voltage Programming The output voltage of the DNS can be programmed to any voltage between 0 75Vdc and 3 3Vdc by connecting one resistor Shown as Rtrim in Figure 37 between the TRIM and GND pins of the module Without this external resistor the output voltage of the module is 0 7525 Vdc To calculate the value of the resistor Rtrim for a particular output voltage Vo please use the following equation 21070 Rtrim E 0 7525 For example to program the output voltage of the DNS module to 1 8Vdc Rtrim is calculated as follows 21070 1 8 0 7525 DNS can also be programmed by apply a voltage between the TRIM and GND pins Figure 38 The following equation can be used to determine the value of Vtrim needed for a desired output voltage Vo DS DNSOASIPOGA 07172008 ann Ririm 5110 Q 15KQ Vtrim 0 7 0 1698 x Vo 0 7525 For example to program the output voltage of a DNS module to 3 3 Vdc Vtrim is calculated as follows Vtrim 0 7 0 1698 x 3 3 0 7525 0 267V Vo RLoad TRIM Rtrim GND Figure 37 Circuit configuration for programming output vol
17. nd power down By connecting multiple modules together customers can get multiple modules to track their output voltages to the voltage applied on the TRACK pin DS DNSOASIPOGA 07172008 a a FEATURE DESCRIPTIONS CON Sequential Start up Sequential start up Figure 40 is implemented by placing an On Off control circuit between Vops and the On Off pin of PS2 Simultaneous Simultaneous tracking Figure 41 is implemented by using the TRACK pin The objective is to minimize the voltage difference between the power supply outputs during power up and down The simultaneous tracking can be accomplished by connecting Vops to the TRACK pin of PS2 Please note the voltage apply to TRACK pin needs to always higher than the Vops set point voltage PS1 PS2 DS DNSOASIPOGA 07172008 Ratio Metric Ratio metric Figure 42 is implemented by placing the voltage divider on the TRACK pin that comprises R1 and R2 to create a proportional voltage with Vops to the Track pin of PS2 For Ratio Metric applications that need the outputs of PS1 and PS2 reach the regulation set point at the same time The following equation can be used to calculate the value of R1 and R2 The suggested value of R2 is 10kQ Vase R Vo psi R R PS1 PS2 Vops2 On Off The high for positive logic The low for negative logic THERMAL CONSIDERATIONS Thermal management is an important
18. part of the system design To ensure proper reliable operation sufficient cooling of the power module is needed over the entire temperature range of the module Convection cooling is usually the dominant mode of heat transfer Hence the choice of equipment to characterize the thermal performance of the power module is a wind tunnel Thermal Testing Setup Delta s DC DC power modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment This type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted The following figure shows the wind tunnel characterization setup The power module is mounted on a test PWB and is vertically positioned within the wind tunnel The height of this fan duct is constantly kept at 25 4mm 1 Thermal Derating Heat can be removed by increasing airflow over the module To enhance system reliability the power module should always be operated below the maximum operating temperature If the temperature exceeds the maximum module temperature reliability of the unit may be affected FACING PWB PWB MODULE AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 0 12 7 0 5 25 4 1 0 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches Figure 43 Wind tunnel test setup DS DNSOASIPOGA 07172008
19. set Output Voltage Adjustable Range 0 7525 3 63 V Output Voltage Regulation Over Line Vin 2 8V to 5 5V 0 3 Vo set Over Load lo lo min to lo max 0 4 Vo set Over Temperature Ta 40C to 85 C 0 8 Vo set Total Output Voltage Range Over sample load line and temperature 3 0 3 0 Vo set Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak to Peak Full Load 1uF ceramic 101F tantalum 40 60 mV RMS Full Load 1uF ceramic 10uF tantalum 10 15 mV Output Current Range 0 6 A Output Voltage Over shoot at Start up Vout 3 3V 1 Vo set Output DC Current Limit Inception Ge lo Output Short Circuit Current Hiccup Mode lo s c Adc Dynamic Load Response 10uF Tan 11F Ceramic load cap 2 5A us Vin 5V Positive Step Change in Output Current 50 lo max to 100 lo max 160 mV Negative Step Change in Output Current 10096 lo max to 5096 lo max 160 mV Settling Time to 1096 of Peak Deviation 25 us Turn On Transient lo lo max Start Up Time From On Off Control Von off Vo 10 of Vo set 2 ms Start Up Time From Input Vin Vin min Vo 10 of Vo set 2 ms Output Voltage Rise Time Time for Vo to rise from 10 to 90 of Vo set 2 5 ms Output Capacitive Load Full load ESR 1mQ 1000 E Full load ESR z10mO 3000 Vo 3 3V Vin 5V 100 Load 94 0 Vo 2 5V Vin 5V 100 Load 91 5 Vo 1 8V Vin 5V 100 Load 89 0 Vo 1 5V Vin 5V 100 Load 88 0 Vo 1 2V Vin 5V 100 Load 86 0 2 Vo 0 75V Vin 5V 100 Load 81 0 Switching Frequency 300 ON OFF Control Negative logic
20. tage using an external resistor Vtrim RLoad TRIM T Figure 38 Circuit Configuration for programming output voltage using external voltage source Table 1 provides Rtrim values required for some common output voltages while Table 2 provides value of external voltage source Vtrim for the same common output voltages By using a 1 tolerance trim resistor set point tolerance of 2 can be achieved as specified in the electrical specification Table 1 0 7525 Open a Hm FEATURE DESCRIPTIONS CON The amount of power delivered by the module is the The output voltage tracking feature Figure 40 to Figure voltage at the output terminals multiplied by the output 42 Is achieved according to the different external current When using the trim feature the output voltage connections lf the tracking feature is not used the of the module can be increased which at the same TRACK pin of the module can be left unconnected or output current would increase the power output of the tied to Vin module Care should be taken to ensure that the maximum output power of the module must not exceed For proper voltage tracking input voltage of the tracking the maximum rated power Vo set x lo max lt P max power module must be applied in advance and the o remote on off pin has to be in turn on status Negative Voltage Margining logic Tied to GND or unconnected Positive logic Tied to
21. turing facility UL cUL 60950 US amp Canada Recognized and TUV EN60950 Certified CE mark meets 73 23 EEC and 93 68 EEC directives OPTIONS Negative on off logic Tracking feature SIP package APPLICATIONS Telecom DataCom Distributed power architectures Servers and workstations LAN WAN applications Data processing applications Delta Electronics Inc DELIA E TECHNICAL SPECIFICATIONS Ta 25 C airflow rate 300 LFM Vin 2 8Vdc and 5 5Vdc nominal Vout unless otherwise noted PARAMETER NOTES and CONDITIONS DNS04S0A0ROGPFD Min Typ Max Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 0 5 8 Vdc Tracking Voltage Vin max Vdc Operating Temperature Refer to Figure 44 for measuring point 40 125 C Storage Temperature 55 125 C INPUT CHARACTERISTICS Operating Input Voltage Vout lt Vin 0 5 2 8 9 9 V Input Under Voltage Lockout Turn On Voltage Threshold 22 V Turn Off Voltage Threshold 2 0 V Maximum Input Current Vin 2 8V to 5 5V lo lo max 6 A No Load Input Current 70 mA Off Converter Input Current 5 mA Inrush Transient Vin 2 8V to 5 5V lo lo min to lo max n AS Recommended Inout Fuse Output Voltage Set Point Vin 5V lo lo max 2 0 Vo set 2 0 Vo
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