Delta Electronics Series Q48DR User's Manual
Contents
1. L LI T m Li LO BAG B EEEE Figure 23 Hot spot temperature measured point x The allowed maximum hot spot temperature is defined at 114C Q48DR1R833 Standard Output Load vs Ambient Temperature and Air Velocity A Output Load Vin 48V Transverse Orientation 600LFM Natural Convection 100LFM 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature Figure 24 Output load vs ambient temperature and air velocity Vn 48V Transverse Orientation MECHANICAL DRAWING 57 9 2 28 50 80 2 000 3 6 0 14 45 09 1 775 g R1 0 0 04 i ow 4X Optional 86 i lt i Vin Voutl YO L ki Output RING i Fi l 2 ON OFF 00 TRIM 5 i 2 mi i l 3 Vin Vout2 4 l l T o ol oO CO i TO OIM BS TS S A a P 5 S AT ir OO2. Delphi Series Q48DR 87W 100W Quarter Brick Dual Output DC DC Power Modules m 48V in 1 8V and 3 3V 15A out each channel Mo Delphi Series Q48DR Quarter Brick Dual 48V input dual output isolated DC DC converters are latest offering from one of the world s largest power supply manufacturers Delta Electronics Inc This product family provides up to 100 watts of power or 15A of output current each channel simultaneously in an industry standard footprint Both output channels can be used independently of each other with option to trim each channel either in the same direction or in reversion direction With creative design technology and optimized circuit these converters possess outstanding electrical and thermal performance as well as extremely high reliability under highly stressful operating conditions All the models are fully protected from abnormal input output voltage current and temperature conditions The Delphi Series converters meet all safety requirements with basic insulation DATASHEET DS Q48DR1R833 03162007 1 FEATURES High Efficiency 88 1 8V 15A 3 3V 15A Standard footprint 57 9mmx36 8mmx8 5mm 2 28 x1 45 x0 33 Industry standard pin out 2 1 input voltage range Fixed frequency operation Fully protected OTP OCP OVP UVLO No minimum load required 1500 V isolation and basic insulation Two independent power train and separate trim for each output ISO 9001 TL 9000 ISO 140
3. SS ELECTRICAL CHARACTERISTICS CURVES D8 Mainzlok gt gt Figure 9 Output voltage response to step change in load current lout2 75 50 75 of lo max di dt 2 5A us at lout1 7 5A Load cap 470uF 35m Q ESR solid electrolytic capacitor and 1uF ceramic capacitor Ch1 Vout2 100mV div Ch2 lout2 7 5A div Ch3 Vout1 100mV aiv Ch4 lout1 7 5A div Scope measurement should be made using a BNC cable length shorter than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module Figure 11 Outout voltage response to step change in load current lout2 and louti 75 50 75 of lo max di dt 2 5A us Load cap 470QuF 35mQ ESR solid electrolytic capacitor and 1uF ceramic capacitor Ch1 Vout2 100mV div Ch2 lout2 7 5A div Ch3 Vout1 100mV aiv Ch4 lout1 7 5A div Scope measurement should be made using a BNC cable length shorter than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module DS Q48DR1R833 03162007 1424 Maine ldk 3 6 Figure 10 Outout voltage response to step change in load current lout 75 50 75 of lo max di dt 2 5A us at lout2 7 5A Load cap 470uF 35m Q ESR solid electrolytic capacitor and 1uF ceramic capacitor Chi Vout2 100mV alv Chz lout2 7 5A div Ch3 Vout1 100mV div Ch4 lout1 7 5A div Scope measurement should be made using a BNC cable length shorter than 20 inches Position the load bet
4. rm cof ol No E SE n Mi Sl olA oo ap SIN BOTTOM W a a ME Jo o ol SE o Ve D 1 1 iA i E we m 1 00 0 040 DIA CUSTOMER BOARD 5 SOLD an GOP PE 8x lt v WITH 2 0 0 08 SHOULDER S YE BW NOTES DIMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmm 0 5mm X XX in 0 02 in X XXmm O 25mMM X XXX in 0 010 in OPTIONAL Vout2 Trim Optional Omit for Single Trim Pin Option Pin No Name Function 1 Vin Negative input voltage 2 ON OFF Remote ON OFF 3 Vin Positive input voltage 4 Vout2 Positive output voltage2 5 TRIM Output voltage trim 6 Output RTN 7 Vout1 Positive output voltage 1 8 Optional TRIM2 Notes 1 Pins 1 8 are 1 00mm 0 040 diameter J All pins are copper with Tin plating DS Q48DR1R833 03162007 a W PART NUMBERING SYSTEM Q 48 D R 1R8 33 gjForm Factor Number of Product Output Output Outputs Series Voltage 1 Voltage 2 Q Quarter 48 36 75V D Dual Output R Open frame 2R5 2 5V 33 3 3V N Negative R 0 170 F RoHS 6 6 A Standard Brick 3R3 3 3V Default Default Lead Fres Functions 1R8 1 8V P Positive N 0 145 Default 1R5 1 5V K 0 110 B with second trim pin Option Code MODEL LIST MODEL NAME INPUT OUTPUT EFF Full Load CONTACT www delta com tw dcdc USA Europe Asia amp the rest of world Telephone Phone 41 31 998 53 11 Telephone 886 3 4526107 ext 6220 East Coast
5. 888 335 8201 Fax 886 3 4513485 West Coast 888 335 8208 kai kai ae Email DCDC delta com tw Fax 978 656 3964 Email DCDC delta es com 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 Q48DR1R833 03162007
6. CAN CSA C22 2 No 60950 00 and EN60950 2000 and IECGO950 1999 if the system in which the power module is to be used must meet safety agency requirements When the input source is 60 Vdc or below the power module meets SELV safety extra low voltage requirements If the input source is a hazardous voltage which is greater than 60 Vdc and less than or equal to 75 Vdc for the module s output to meet SELV requirements all of the following must be met The input source must be insulated from any hazardous voltages including the ac mains with reinforced insulation One Vi pin and one Vo pin are grounded or all the input and output pins are kept floating The input terminals of the module are not operator accessible If the metal baseplate is grounded the output must be also grounded A SELV reliability test is conducted on the system where the module is used to ensure that under a single fault hazardous voltage does not appear at the module s output DS Q48DR1R833 03162007 Do not ground one of the input pins without grounding one of the output pins This connection may allow a non SELV voltage to appear between the output pin and ground The power module has extra low voltage ELV outputs when all inputs are ELV This power module is not internally fused To achieve optimum safety and system protection an input line fuse is highly recommended The safety agencies require a normal blow fuse with 7A maximum
7. the module b ELECTRICAL CHARACTERISTICS CURVES 1 8 Se n Se a Sg eee Ee ee S ee ee ee 4 4g 35 p L4 _ 4 z z k 12 z Z 25 W L K ta K m 5 Ko D 0 U 5 5 ie a 0 a z z 04 0 2 05 0 0 5 10 15 20 35 INPUIT VOLTAGE V INPUT VOLTAGEM Figure 17 Output voltage vs load current louti showing Figure 18 Output voltage vs load current lout2 showing typical DS Q48DR1R833 03162007 NY DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC DC power modules will interact with the modules Wand affect the stability A low ac impedance input source is recommended If the source inductance is more than a few uH we advise adding a 10 to 100 uF electrolytic capacitor ESR lt 0 7 Q at 100 kHz mounted close to the input of the module to improve the stability Layout and EMC Considerations Delta s DC DC power modules are designed to operate in a wide variety of systems and applications For design assistance with EMC compliance and related PWB layout issues please contact Delta s technical support team An external input filter module is available for easier EMC compliance design Application notes to assist designers in addressing these issues are pending release Safety Considerations The power module must be installed in compliance with the spacing and separation requirements of the end users safety agency standard i e UL60950
8. rating to be installed in the ungrounded lead A lower rated fuse can be used based on the maximum inrush transient energy and maximum input current Soldering and Cleaning Considerations Post solder cleaning is usually the final board assembly process before the board or system undergoes electrical testing Inadequate cleaning and or drying may lower the reliability of a power module and severely affect the finished circuit board assembly test Adequate cleaning and or drying is especially important for un encapsulated and or open frame type power modules For assistance on appropriate soldering and cleaning procedures please contact Delta s technical support team be FEATURES DESCRIPTIONS Over Current Protection The modules include an internal output over current protection circuit which will endure current limiting for Man unlimited duration during output overload If the output current exceeds the OCP set point the modules will automatically shut down hiccup mode The modules will try to restart after shutdown If the overload condition still exists the module will shut down again This restart trial will continue until the overload condition is corrected Over Voltage Protection The modules include an internal output over voltage protection circuit which monitors the voltage on the output terminals If this voltage exceeds the over voltage set point the module will shut down The module will try
9. 01 QS9000 OHSAS18001 certified manufacturing facility UL cUL 60950 US amp Canada Recognized and TUV EN60950 Certified CE mark meets 73 23 EEC and 93 68 EEC directives OPTIONS Optional second trim pin for independent trim of the two outputs Positive On Off logic Short pin lengths available APPLICATIONS Telecom DataCom Wireless Networks Optical Network Equipment Server and Data Storage Industrial Test Equipment AA NELTA Delta Electronics Inc ka TECHNICAL SPECIFICATIONS Ta 25 C airflow rate 300 LFM V 48Vdc nominal Vout unless otherwise noted DARA and CONDITIO Q48DR1R8 RFA Min T Max Units A A Le Input Voltage Continuous 80 Vdc Transient 100ms lt 100ms 100 Vdc Operating Temperature Please refer to figure 27 for measuring point 40 114 C Storage Temperature 55 125 C Input Output Isolation Voltage 1500 Vdc Operating Input Voltage 36 48 5 Vdc Input Under Voltage Lockout Turn On Voltage Threshold 33 34 35 Vdc Turn Off Voltage Threshold 31 32 33 Vdc Lockout Hysteresis Voltage 1 2 3 Vdc Maximum Input Current 100 load 36Vin 2 9 A No Load Input Current 100 150 mA Off Converter Input Current 5 10 mA Inrush Current I t 0 015 A s Input Reflected Ripple Current P P thru 12uH inductor 5Hz to 2OMHz 10 mA Input Voltage Ripple Rejection 120Hz 50 dB e D ADA 3
10. Vout 1 1 771 1 800 1 829 Vin 48V lo lo Tc 2 Output Voltage Set Point in 48V lo lo max Tc 25 C Vout 2 3 247 3 300 3 353 Vdc Output Voltage Regulation lo1 lo min to lo max lo2 0A Vout 1 A lo2 lo min to lo max lo1 0A Vout 2 mi pe liye Over Line Vin 36V to 75V lo1 lo2 full load Cross Regulation Worse Case Over Temperature Tc 40 C to 85 C Total Output Voltage Range Over sample load line and temperature Vout 2 Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Vout 1 DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V 10uF Tan amp 1uF Ceramic load cap 0 1A us Peak to Peak lo1 lo2 Full Load 1uF ceramic 10uF tantalum Vout 2 A0 80 mV RMS lo1 lo2 Full Load 1uF ceramic 10uF tantalum a 7 So mV Operating Output Current Range voul gt f A Output DC Current Limit Inception vout oon cae GENERAL SPECIFICATIONS Positive Step Change in Output Current lout1from 50 lo max to 75 lo max voul 3 To mV Negative Step Change in Output Current lout2 from 75 lo max to 50 lo max vout 1 mV Cross dynamic Each channel independence 20 mV Settling Time within 1 Vout nominal 150 US Turn On Transient Start up Time From On Off Control 10 15 MS Start up Time From Input 10 15 mS Maximum Output Capacitance Full load 5 overshoot of Vout at startup u ee LF Vou
11. int the modules may be connected with an external resistor between the TRIM pin and either Vout1 or RTN The TRIM pin should be left open if this feature is not used Rload Mt wout2c TRIM vi woutli l Rloadi Figure 20 Circuit configuration for trim down decrease output voltage lf the external resistor is connected between the TRIM and Vout1 pin the output voltage set point decreases Fig 20 The external resistor value is from the table below Da W FEATURES DESCRIPTIONS CON Rload m vif Mi Floadi Figure 21 Circuit configuration for trim up increase output voltage lf the external resistor is connected between the TRIM and RTN the output voltage set point increases Fig 21 The external resistor value is from table below Trim Resistor Trim Resistor Vout Increase Vout Decrease l l The output voltage can be increased by the trim pin When using trim the output voltage of the module is usually increased which increases the power output of the module with the same output current Care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated power DS Q48DR1R833 03162007 SSS at THERMAL CONSIDERATIONS Thermal management is an important part of the system design To ensure proper reliable operation sufficient cooling of the power module is needed over the entire tem
12. perature 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 space between the neighboring PWB and the top of the power module is constantly kept at 6 35mm 0 25 Thermal Derating Heat can be removed by increasing airflow over the module The module s hottest spot is less than 114 C 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 aRFLOW fa os 127089 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inche Figure 22 Wind tunnel test setup DS Q48DR1R833 03162007 THERMAL CURVES
13. t 2 10000 EFFICIENCY E 100 Load lout1 lout2 full load 48vdc Vin 88 Yo 60 Load lout1 lout2 60 of full load 48vdc Vin 88 ISOLATION CHARACTERISTICS Input to Output 1500 Vdc Isolation Resistance 10 MQ Isolation Capacitance 3000 pF FEATURE CHARACTERISTICS Switching Frequenc 350 kHz ON OFF Control Logic Low Module ON Logic Low Von off at lon off 1 0mA 0 0 8 V Logic High Von off at lon off 0 0 LA 18 V ON OFF Current lon off at Von off 0 0V 1 mA Leakage Current Logic High Von off 15V 50 uA Output Voltage Trim Range Pout lt max rated power 10 10 Yo Output Over Voltage Protection Over full temp range Yoof nominal Vout 115 122 130 Yo DS Q48DR1R833 03162007 MTBF lo 80 of lo max Ta 25 C 300FLM 3 0 M hours Weight 26 5 grams Over Temperature Shutdown Please refer to figure 27 for measuring point 122 ne 2 Aa ELECTRICAL CHARACTERISTICS CURVES 90 00 LA tt Tt pty l ET cert tt 90 00 ei ED Dina n nee 85 00 payas so Efficiency 70 00 65 00 Load Current lout1 Adc Figure 1 Efficiency vs load current lout1 for minimum nominal and maximum input voltage at 25 C for lout2 7 5A 90 00 T LEE AZA Veit tt MEL Py Ty 36 BABY HR 15V i 10 5 12 135 5 Load Current lout1 lout2 Adc poras a Efficiency Figure 3 Efficiency vs load current lout1 and lout2 for minimum nominal and maximum input voltage at 25 for lou
14. t1 lout2 DS Q48DR1R833 03162007 Efficiency ge 70 00 ILE 65 00 5 3 45 6 7 105 2 135 15 Load Current lout2 Adc Figure 2 Efficiency vs load current lout2 for minimum nominal and maximum input voltage at 25 C for lout1 7 5A 12 FE it tn nn ya n tn nn nn yo yonn nn yonn F nyon yonn 5 10 CoCo a U eT LI eee 10 5 2 135 5 Load Current Co Power SARPA ANG 36V 48V 75V Figure 4 Power dissipation vs load current for minimum nominal and maximum input voltage at 25 C for lout1 lout2 OU a Ya ELECTRICAL CHARACTERISTICS CURVES wa r n a2 Raina Lik oy i i i i fi i Vout2 aif See reta ee ee Figure 5 Turn on transient at zero load current 2ms div Figure 6 Turn on transient at full rated load current resistive Vin 48V Negative logic turn on Top Trace Vout 1V div load 2 ms div Vin 48V Negative logic turn on Top Trace Bottom Trace ON OFF input 5V div Vout 1V div Bottom Trace ON OFF input 5V div at Bird Lik fs Figure 7 Turn on transient at zero load current 2ms div Figure 8 Turn on transient at full load current 2ms div Vin 48V Positive logic turns on Top Trace Vout 1V div Vin 48V Positive logic turns on Top Trace Vout 1V div Bottom Trace ON OFF input 5V div Bottom Trace ON OFF input 5V div 4 DS Q48DR1R833 03162007
15. to restart after shutdown If the over voltage condition still exists during restart the module will shut down again This restart trial will continue until the output voltage is within specification 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 On Off The remote on off feature on the module can be either negative or positive logic Negative logic turns the module on during a logic low and off during a logic high Positive logic turns the modules on during a logic high and off during a logic low Remote on off can be controlled by an external switch between the on off terminal and the Vi terminal The switch can be an open collector or open drain For negative logic if the remote on off feature is not used please short the on off pin to Vi For positive logic if the remote on off feature is not used please leave the on off pin to floating DS Q48DR1R833 03162007 Rload2 vif Wil Riload Figure 19 Remote on off implementation Output Voltage Adjustment TRIM To increase or decrease the output voltage set po
16. ween 51 mm to 76 mm 2 inches to 3 inches from the module Chl 1 i C a La La vi 33uF ESR 0 3 4 B20 100KH2 Cae Our ESR O1 a B20 100KH2 Ch4 Figure 12 Test set up diagram showing measurement points for Inout Terminal Ripple Current and Input Reflected Ripple Current Note Measured input reflected ripple current with a simulated source Inductance Ltest of 12 uH Capacitor Cs offset possible battery impedance Measure current as shown above SSS at ELECTRICAL CHARACTERISTICS CURVES Figure 13 Input Terminal Ripple Current ic at full rated output current and nominal input voltage with 12uH source impedance and 33uF electrolytic capacitor 500 mA div 2us div RESISTI LOAD Figure 15 Output voltage noise and ripple measurement test setup DS Q48DR1R833 03162007 P42 Mainfdk gt gt Figure 14 Input reflected ripple current is through a 12uH source inductor at nominal input voltage and rated load current 20 mA div 2us div 248 Mainezk X o Figure 16 Output voltage ripple at nominal input voltage and rated load current lout1 lout2 15A 20 mV div 1us div Top trace Vout2 20mV div Bottom trace 20mV aiv Load capacitance 1uF ceramic capacitor and 10uF tantalum capacitor Bandwidth 20 MHz Scope measurements should be made using a BNC cable length shorter than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from
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