Delta Electronics 6A User's Manual
Contents
1. Delphi NE Series Non lsolated Point of Load DC DC Modules 3 1 13 8Vin 0 59V 5 1Vout 6Aout The Delphi NE 6A Series 3 1 13 8V wide input wide trim single output non isolated point of load POL DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electronics Inc The NE product family is the second generation non isolated point of load DC DC power modules which cut the module size by almost 50 in most of the cases compared to the first generation NC series POL modules The NE 6A product family provides an ultra wide input range to support 3 3V 5V 8V 9 6V and 12V bus voltage point of load applications and it offers up to 6A of output current in a vertically or horizontally mounted through hole miniature package and the output can be resistor trimmed from 0 59Vdc to 5 1Vdc It provides a very cost effective high efficiency and high density point of load solution 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_NE12S06A_06302008 4 4 High Efficiency 94 5 12Vin 5V 6A out Size Vertical 10 4mm x 16 5mm x 11 0 mm 0 41 x 0 65 x 0 43 Horizontal 10 4mm x 16 5mm x 11 5 mm 0 41 x 0 65 x 0 45 Wide input range 3 1V 13 8V Output voltage progra2. Figure 5 Converter efficiency vs output current Figure 6 Converter efficiency vs output current 3 3V output voltage 12V input voltage 5 0V output voltage 12V input voltage DS_NE12S06A_06302008 ELECTRICAL CHARACTERI P POICZ 9 15667mnU RnstCz 1 809168nU p P C3 i180 0008nU Hmzs C3 3 0 8018nU Figure 7 Output ripple amp noise at 12Vin 0 59V 6A out Figure 8 Output ripple amp noise at 12Vin 0 9V 6A out P P CZ23 12 58000mU Res G 3 52043n4 P P C3 28 3333nU Hesi 9 052554 Figure 9 Output ripple amp noise at 12Vin 1 8V 6A out Figure 10 Output ripple amp noise at 12Vin 2 5V 6A out P P C3 31 6667AU Bms C33 19 62308nu P P C3 480 B333U RAS CID 33 5238nu Figure 11 Output ripple amp noise at 12Vin 3 3V 6A out Figure 12 Output ripple amp noise at 12Vin 5 0V 6A out ge DS_NE12S06A_06302008 ae ELECTRICAL CHARACTERISTICS CURVES CON LL Maira LH 55 SER ELTE 1 ters 41 G667 RU S LEV TH Figure 13 Turn on delay time at 12Vin 1 0V 6A out Figure 14 Turn on delay time Remote On Off 1 5V 6A out Ch1 Vin Ch4 Vout Ch1 Enable Ch4 Vout 41 6667nU be GE 503 3m Figure 15 Turn on delay time at 12Vin 2 5V 6A out Figure 16 Turn on delay time at Remote On Off 3 3V 6A out Ch1 Vin Ch4 Vout Ch1 Enable Ch4 Vout Max C4 191 667mU Min C4 125 000mU Figure 17 Typ
3. Either Orientation Natural Convection 100LFM 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 39 Output current vs ambient temperature and air velocity Vin 5V Vout 2 5V Either Orientation a gt 11 THERMAL CURVES HORIZONTAL NE12S0A0H06 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 3 3V Vout 0 9V Either Orientation 6 Natural 5L Convection 100LFM 4 3 L 2 1b 0 L L L L L L 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 40 Output current vs ambient temperature and air velocity Vin 3 3V Vout 0 9V Either Orientation NE12S0A0H06 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 3 3V Vout 2 5V Either Orientation I 6 Natural 5 Convection 100LFM 4 3 2 1 0 APA PE AAA AAA t eT p 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 41 Output current vs ambient temperature and air velocity Vin 3 3V Vout 2 5V Either Orientation DS_NE12S06A_06302008 12 MECHAN O SE CAL DRAWING VERTICAL 11 0 0 43 MAX Soluce 4 1 0 16 A ME ali 1 8 0 07 l 12000067 E En 1 27 0
4. Start Up Time from On Off Control From Enable high to 90 of Vo 2 3 ms Start Up Time from input power From Vin 12V to 90 of Vo 2 3 ms Minimum Output Capacitance 0 HF Maximum Output Startup Capacitive Load turn on overshoot 196 vo ESR21mQ 1000 UF EFFICIENCY Vo 0 59V Vin 12V lo 6A 72 Vo 0 9V Vin 12V lo 6A 79 Vo 2 5V Vin 12V lo 6A 90 5 Vo 5 0V Vin 12V lo 6A 94 5 SINK EFFICIENCY Vo 5 0V Vin 12V lo 6A 92 FEATURE CHARACTERISTICS Switching Frequency Fixed 600 KHz ON OFF Control Positive logic internally pulled high Logic High Module On or leave the pin open 0 8 5 0 V Logic Low Module Off 0 0 3 V GENERAL SPECIFICATIONS Calculated MTBF Ta 25 C 300LFM 80 load 18 0 Mhours Weight 2 grams DS_NE12S06A_06302008 SN ELECTRICAL CHARACTERISTICS CURVE Efficiency CX Efficiency 96 2 3 4 a b Output current A Output current A Figure 1 Converter efficiency vs output current Figure 2 Converter efficiency vs output current 0 59V output voltage 12V input voltage 0 9V output voltage 12V input voltage Efficiency 96 Efficiency 55 l z 3 4 5 Output current A Output current 2 Figure 3 Converter efficiency vs output current Figure 4 Converter efficiency vs output current 1 8V output voltage 12V input voltage 2 5V output voltage 12V input voltage 95 s ES BO E E 70 E 85 a 35 l 2 3 4 5 7 E q 19 Output current A5 Output current A5
5. 050 TYP IOP VIEW SIDE VIEW PIN ASSIGNMENT PIN FUNCTION 1 Enable gt Vin 3 Common RTN 4 Vout 2 PG Trim NOTES DIMENSIONS ARE IN MILLIMETERS AN TOLERANCE 0 4 0 41 aes MAX 2 1 27 0 050 0 25 0 010 MIN l 6 IN En P R I 10 md ed O Og o Gla O S Li I LD SO Ola hi 20 O 5 1 om Y eee ee D 1 8 0 07 3 001505 TYF 1 70 0 067 TYP TOP VIEW SIDE VIEW PIN ASSIGNMENT PINE FUNCTION 1 Enoble 2 Vin 3 Common RTN 4 Vout 2 PG Trim 6 Mech Support D INCHS XX mm 0 5 mm X XX in 0 02 in XXX mm0 2525 mm X XXX in 0 010 in DS_NE12S06A_06302008 ba l PART T 2 Number m mm mm ma Onton Gods Series Voltage outputs Voltage Current Logic parn p 12 3 1 13 8V S Single output OAO H Horizontal 06 06A P Positive N 0 150 F RoHS 6 6 A 5pins Non isolated programmable y Vertical Lead Free Series MODEL LIST Efficiency Model Name Packaging Input Voltage Output Voltage Output Current 12Vin E 100 load NE12S0A0VO6PNFA 3 1V 13 8Vdc 0 59V 5 1Vdc 94 5 5Vout NE12S0A0HO6PNFA 3
6. 1V 13 8Vdc 0 59V 5 1Vdc 94 5 5Vout 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 ext 6220 East Coast 888 335 8201 Fax 41 31 998 53 53 Fax 886 3 4513485 West Coast 888 335 8208 Email DCDC Adelta es tw Email DCDC delta com tw Fax 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 reguest 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_NE12S06A_06302008 m d
7. Current Vin 3 1V to 13 8V lo lo max 6 A No Load Input Current Vin 12V Vout 5V 50 mA Off Converter Input Current Remote OFF 10 mA Input Reflected Ripple Current 9 10 mA Input Ripple Rejection 120Hz 60 dB OUTPUT CHARACTERISTICS Output Voltage Adjustment Range 0 59 5 1 V Output Voltage Set Point With a 0 196 trim resistor 1 1 Output Voltage Regulation Over Load lo lo min to lo max 0 3 0 5 Over Line Vin Vin_min to Vin_max 0 1 0 2 Over Temperature Ta 0 70 C 0 2 0 3 Total output range Over load line temperature regulation and set point 2 2 Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak to Peak Full Load 10uF Tan cap 12Vin 0 5Vo 15 mV Peak to Peak Full Load 10uF Tan cap 12Vin 0 9Vo 20 mV Peak to Peak Full Load 10uF Tan cap 12Vin 2 5Vo 30 mV Peak to Peak Full Load 10uF Tan cap 12Vin 5Vo 50 mV RMS Full Load 10uF Tan cap 12Vin 5Vo 10 mV Output Current Range 0 6 A Output Voltage Over shoot at Start up Vin 12V Turn ON OD Vo Output Voltage Under shoot at Power Off Vin 12V Turn OFF 100 mV Output DC Current Limit Inception Hiccup mode 13 5 A Output short circuit current RMS value 3 7 Arms DYNAMIC CHARACTERISTICS Output Dynamic Load Response 12Vin 2 5Vout 10uF ceramic cap Positive Step Change in Output Current 50 100 load 10A uS 150 mV Negative Step Change in Output Current 50 100 load 10A uS 150 mV Settling Time Settling to be within regulation band to 10 Vo deviation 50 us Turn On Transient
8. NE12S0AOVO6 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 3 3V Vout 0 9V Either Orientation 6 Natural 5 Convection 4 J 3 2 Ll 1 0 i j i 1 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 32 Output current vs ambient temperature and air velocity Vin 3 3V Vout 0 9V Either Orientation NE12S0A0VO6 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 3 3V Vout 2 5V Either Orientation 6 m Natural 5 L Convection 4 i 3 2 1 0 yii L 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 33 Output current vs ambient temperature and air velocity Vin 3 3V Vout 2 5V Either Orientation 10 OOAONOAAAO A UUUUUUUUUU CI a L Figure 34 Temperature measurement location The allowed maximum hot spot temperature is defined at 118 C NE12S0A0H06 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 12V Vout 0 9V Either Orientation Natural Convection 100LFM 300LFM M R Kx ae 500LFM bs 400LFM 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 35 Output current vs ambient temperature and air velocity Vin 12V Vout 0 9V Either Orientation NE12S0A0H06 sta
9. Noise Measurement The measurement set up outlined in Figure 24 has been used for both input reflected terminal ripple current and output voltage ripple and noise measurements on NE series converters Input reflected current measurement point 1uF 10uF ceramic Tan Output voltage ripple noise measurement point Cs 270yF 1 Ltest 2uH Cin 270uF 1 Figure 24 Input reflected ripple capacitor ripple current and output voltage ripple and noise measurement setup for NEO6 SY gt THERMAL CONSIDERATION 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 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 space between the neighboring PWB and the top of the power mod
10. e used to bring the signal across the voltage isolation please see Figure 20 NE6A 10A Vout Vin Enable Trim NE6A 10A Vout Vin Enable Trim Figure 20 Enable input drive circuit example with isolation Input Under Voltage Lockout The input under voltage lockout prevents the converter from being damaged while operating when the input voltage is too low The lockout occurs between 2 8V to 3 1V Over Current and Short Circuit Protection The NE series modules have non latching over current and short circuit protection circuitry When over current condition occurs the module goes into the non latching hiccup mode When the over current condition is removed the module will resume normal operation An over current condition is detected by measuring the voltage drop across the MOSFETs The voltage drop across the MOSFET is also a function of the MOSFET s Rds on Rds on is affected by temperature therefore ambient temperature will affect the current limit inception point The detection of the Rds on of MOSFETs also acts as an over temperature protection since high temperature will cause the Rds on of the MOSFETs to increase eventually triggering over current protection DS NE12S06A 06302008 Output Voltage Programming The output voltage of the NE series is trimmable by connecting an external resistor between the trim pin and output ground as shown Figure 21 and the typical trim resis
11. emperature C Figure 28 Output current vs ambient temperature and air velocity Vin 12V Vout 2 5V Either Orientation THERMAL CURVES VERTICAL NE12S0A0V06 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 12V Vout 5 0V Either Orientation 6 Natural C 5 Convection V 100LFM 200LFM 4 N 300LFM a 400LFM 500LFM 2 600LFM i 0 25 30 35 40 45 50 55 60 65 70 75 80 89 Ambient Temperature C Figure 29 Output current vs ambient temperature and air velocity Vin 12V Vout 5 0V Either Orientation Output Current A NE12S0A0VO6 standard Output Current vs Ambient Temperature and Air Velocity Vin 5 0V Vout 0 9V Either Orientation 6 Natural 5 Convection 4 3 4 2 L 1 0 IE EA TAI A AT AA E er h i 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 30 Output current vs ambient temperature and air velocity Vin 5V Vout 0 9V Either Orientation Output Current A NE12S0A0VO6 standard Output Current vs Ambient Temperature and Air Velocity Vin 5 0V Vout 2 5V Either Orientation Natural Convection 25 70 75 80 85 Ambient Temperature C 30 35 40 45 50 55 60 65 Figure 31 Output current vs ambient temperature and air velocity Vin 5V Vout 2 5V Either Orientation DS_NE12S06A_06302008
12. ical transient response to step load change at 10A uS from 50 100 load at 12Vin 2 5V out DS_NE12S06A_06302008 we a lt B DESIGN CONSIDERATIONS The NE12S0A0V H 06 uses a single phase and voltage mode controlled buck topology The output can be trimmed from 0 59Vdc to 5 1Vdc by a resistor from Trim pin to Ground The converter can be turned ON OFF by remote control with positive on off ENABLE pin logic The converter DC output is disabled when the signal is driven low below 0 3V This pin is also used as the input turn on threshold judgment Its voltage is percent of Input voltage during floating due to internal connection So we do not suggest using an active high signal higher than 0 8V to turn on the module because this high level voltage will disable UVLO function The module will turn on when this pin is floating and the input voltage is higher than the threshold The converter can protect itself by entering hiccup mode against over current and short circuit condition Also the converter will shut down when an over voltage protection is detected Safety Considerations It is recommended that the user to provide a very fast acting type fuse in the input line for safety The output voltage set point and the output current in the application could define the amperage rating of the fuse DS_NE12S06A_06302008 FEATURES DESCRIPTIONS Enable On Off The ENABLE on off input allows external circuitry to p
13. mmable from 0 59Vdc to 5 1Vdc via external resistors No minimum load required Fixed frequency operation Input UVLO output OCP Remote ON OFF Positive 5 pin version ISO 9001 TL 9000 ISO 14001 QS9000 OHSAS18001 certified manufacturing facility UL cUL 60950 1 US amp Canada Recognized and TUV EN60950 1 Certified CE mark meets 73 23 EEC and 93 68 EEC directives OPTIONS 4 Vertical or horizontal versions APPLICATIONS 4 4 DataCom Distributed power architectures Servers and workstations LAN WAN applications Data processing applications M DELTA Delta Electronics Inc Eh 7 TECHNICAL SPECIFICATIONS Ambient Temperature 25 C minimum airflow 200LFM nominal V i 212Vdc unless otherwise specified PARAMETER NOTES and CONDITIONS NE12S0A0V H06 Min Typ Max Units ABSOLUTE MAXIMUM RATINGS Input Voltage S 13 8 Vdc Operating Temperature Vertical Refer to Fig 26 for the measuring point 40 113 C Operating Temperature Horizontal Refer to Fig 34 for the measuring point 40 118 C Storage Temperature 55 125 C INPUT CHARACTERISTICS Operating Input Voltage Vo lt Vin 0 5V 3 1 13 8 V Input Under Voltage Lockout Turn On Voltage Threshold 3 1 V Turn Off Voltage Threshold 2 8 V Lockout Hysteresis Voltage 0 3 V Maximum Input
14. ndard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 12V Vout 2 5V Either Orientation Natural Convection 100LFM 200LFM 300LFM 400LFM 2 500LFM 600LFM 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 36 Output current vs ambient temperature and air velocity Vin 12V Vout 2 5V Either Orientation DS_NE12S06A_06302008 Output Current A NE12S0A0H06 standard Output Current vs Ambient Temperature and Air Velocity Vin 12V Vout 5 0V Either Orientation 6 Natural 5 Convection 7 S 100LFM o gt 4 200LFM O Ns 300LFM 3 E E Ae 400LFM 2 500LFM N 600LFM 1 Lo 0 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 37 Output current vs ambient temperature and air velocity Vin 12V Vout 5 0V Either Orientation NE12S0A0HO06 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 5 0V Vout 0 9V Either Orientation Natural Convection 100LFM 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Figure 38 Output current vs ambient temperature and air velocity Vin 5V Vout 0 9V Either Orientation NE12S0A0HO06 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 5 0V Vout 2 5V
15. tor values are shown in Figure 22 NE6A 10A Vin Vout Trim Rs Ground Ground Figure 21 Trimming Output Voltage The NEO6 module has a trim range of 0 59V to 5 0V The trim resistor equation for the NE06A is 1184 Rs QQ Vout 0 592 Vout is the output voltage setpoint Rs is the resistance between Trim and Ground Rs values should not be less than 2400 0 59V 2 5 V 619 3 3 V 436 Figure 22 Typical trim resistor values m FEATURES DESCRIPTIONS CON Voltage Margining Adjustment Output voltage margin adjusting can be implemented in the NE modules by connecting a resistor Rmargin up from the Trim pin to the Ground for margining up the output voltage Also the output voltage can be adjusted lower by connecting a resistor Rmargin down from the Trim pin to the voltage source Vt Figure 23 shows the circuit configuration for output voltage margining adjustment Vt NE6A 10A Rmargin down Vin Enable Rmargin up Ground Ground Figure 23 Circuit configuration for output voltage margining Paralleling NEOG converters do not have built in current sharing paralleling ability Hence paralleling of multiple NEOG converters is not recommended DS NE12S06A 06302008 Output Capacitance There is internal output capacitor on the NE series modules Hence no external output capacitor is required for stable operation Reflected Ripple Current and Output Ripple and
16. ule is constantly kept at 6 35mm 0 25 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 x PWB MODULE AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 07 Note Wind tunnel test setup figure dimensions are in millimeters and Inches Figure 25 Wind tunnel test setup DS NE12S06A 06302008 THERMAL CURVES VERTICAL 4 9mm gt D 00000 Figure 26 Temperature measurement location The allowed maximum hot spot temperature is defined at 113 C Y TY NE12S0AOVO6 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 12V Vout 0 9V Either Orientation Natural Convection 100LFM 200LFM 300LFM 400LFM LLL 25 30 35 40 pe p a P m en Temperature cy Figure 27 Output current vs ambient temperature and air velocity Vin 12V Vout 0 9V Either Orientation NE12S0A0V06 standard Output Current vs Ambient Temperature and Air Velocity Oufput Current A Vin 12V Vout 2 5V Either Orientation Natural Convection 100LFM 200LFM 400LFM 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient T
17. ut the NE converter into a low power dissipation sleep mode Positive ENABLE is available as standard With the active high function the output is guaranteed to turn on if the ENABLE pin is driven above 0 8V The output will turn off if the ENABLE pin voltage is pulled below 0 3V Undervoltage Lockout The ENABLE pin is also used as input UVLO function Leaving the enable floating the module will turn on if the input voltage is higher than the turn on threshold and turn off if the input voltage is lower than the turn off threshold The default turn on voltage is 3 1V with 300mV hysteresis The turn on voltage may be adjusted with a resistor placed between the Enable pin and Ground pin The equation for calculating the value of this resistor is 15 05 x R 6 34 Vo er cQ Ven _ FTH Ven RTH 0 3V Vien Fry is the turn off threshold Vin rry iS the turn on threshold R Kohm is the outen resistor connected from Enable pin to the GND Enable NE10A 6A Fig 18 UVLO setting An active high voltage will disable the input UVLO function E YY FEATURES DESCRIPTIONS CON The ENABLE input can be driven in a variety of ways as shown in Figures 18 and 19 If the ENABLE signal comes from the primary side of the circuit the ENABLE can be driven through either a bipolar signal transistor Figure 19 If the enable signal comes from the secondary side then an opto coupler or other isolation devices must b
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