Delta Electronics NC15 Series User's Manual
Contents
1. GW O l EA Hag E 00 a l gt l o a esencias H E O ET A Figure 33 Temperature measurement location The allowed maximum hot spot temperature is defined at 130 C NC12S0AOV15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 5V Either Orientation Natural Convection 100LFM 200LFM 300LFM 400LFM 3 Lo j Lo 65 70 75 80 85 25 30 35 40 45 50 55 60 Ambient Temperature C Figure 34 Output current vs ambient temperature and air vol Fha ggentation NC12S0AOV15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 3 3V Either Orientation 15 vat i lt S Natural Convection 9 a m 100LFM 200LFM 6 a ie ed tt 300LFM 400LFM 3 A 0 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 Vout 3 3V Either Orientation NC12S0AOV15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 1 8V Either Orientation 15 Natural Convection 9 a 24 a 2 2 A 100LFM 200LFM 6 300LFM 3 0 L L L L L L L L L L L L L L L L L L L L L L 25 30 35 40 45 50 55 60 65 70 75 8 Ambient Temperature C Figure 36 Output current vs ambient temperature and air velocity Vout 1 8V Either Orient2. SUGGESTED PCB LAYOUT PIN ASSIGNMENT 33 3 1 3175 PIN FUNCTION MIN Vout l 21 02 00 004 2 Vout A O 3 Vout A 4 Trim JA a 5 Enable wo o 25 010 6 Power Good LO N Sl 3 81 0 150 Ground ALS m 2 54 0 100 8 Ground y ps TYP 9 Reserved 26 67 1 050 _ 10 Wir 11 Vin NOTES DIMENSIONS ARE IN MILLIMETERS AND INCHS IOLERANCE X X mmz0 5 mm X XX in 0 02 in XXX mmz0 25 mm X XXX in 0 010 in NC12S15A 01102008 HORIZONTAL _ 30 5 1 20 12 90 0 508 27 94 1 100 MAX 3 50 0 138 1 5 0 05 TY ce po WN 12 13 o 4 LO A PE 2 m E E g S dS JS o S 2 o 8 E Ae Y T EEE E Lo j LIS 1 20 0 047 581 0 1501 Le 3 5 0 14 2 54 0 100 TYP Ls 26 67 1 050 SUGGESTED PCB LAYOUT 33 0 1 507 PIN ASSIGNMENT MIN PIN FUNCTION 27 94 1 100 i Vout o 2 5 0 10 2 Vout i Vout i E E 4 Irim T 5 Enable a o a 6 Power Good N z 7 Ground sol 8 Ground LO St S g e 91 00 00 004 y Reserved Ps 1 yr 13X 11 10 Vin I 0 0 0 0 0 0 0 0 0 11 Vin 2 54 0 100 12 Mechanical Support E 13 Mechanical Support 3 81 0 4505 eed LOOR SS PART MA MU mm zn mm ER ON OFF Option S
3. Delphi NC15 Series Non Isolated Point of Load DC DC Power Modules 12Vin 0 9V 5 0Vout 15A The Delphi NC15 Series 12V 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 NC15 series operates from a 12V nominal input provides up to 15A of power in a vertical or horizontal mounted through hole package and the output can be resistor or voltage trimmed from 0 9Vdc to 5 0Vdc It provides a very cost effective 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_NC12515A_01102008 4 FEATURES High Efficiency 91 12Vin 5V 15A out Size 30 5x27 9x11 4mm 1 20 x1 10 x0 45 Vertical 30 5x27 9x12 9mm 1 20 x1 10 x0 51 Horizontal Voltage and resistor based trim No minimum load required Output voltage programmable from 0 9Vdc to 5 0Vdc via external resistors Fixed frequency operation Input UVLO output OCP SCP Power good output signal Remote ON OFF default Positive ISO 9000 TL 9000 ISO 14001 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 directive
4. 012 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current A Figure 6 Converter efficiency vs output current 5 0V output voltage Tek 25 0MS s 337 Acqs a A A NEE JA 25 0mV 16 8mv C1 Pk Pk 24 8Smv Mz2 004s Chi 7 16 0mV 16 jun 2004 13 34 14 Figure 7 Output ripple amp noise at 12Vin 0 9V 15A out Tek 25 05 23 Acqs AAA ee eee JA 30 2mY j 16 8mV C1 Pk Pk 30 0mY owe 16 0mV 16 Jun 2004 13 42 54 WM2 00ns Chi Figure 9 Output ripple amp noise at 12Vin 1 8V 15A out Tek 25 0MS s 37 Acqs DEENSE HAF En OEREN ES 7 JA 37 4mV 20 0mv C1 Pk Pk 37 2mV 18 0mV 16 Jun 2004 13 52 48 M2 00Ms Chi S Figure 11 Output ripple amp noise at 12Vin 3 3V 15A out NC12S15A_ 01102008 ELECTRICAL CHARACTERISTICS CURVES Tek 25 0MS s 40 Acqs AAA RIA JA 27 0mV la 17 2mY C1 Pk Pk 26 8mV SN T Omvaa a Ons Chi 16 0mV 16 Jun 2004 13 38 50 Figure 8 Output ripple amp noise at 12Vin 1 2V 15A out Tek 25 05 31 Acqs i EG A gt A 33 0mV 18 0mY C1 Pk Pk 32 8mv owe T8 0MV 16 Jun 2004 13 46 24 M2 00us Chi F Figure 10 Output ripple 8 noise at 12Vin 2 5V 15A out Tek 25 0MS s 371 Acqs a eeen JA 40 6mY la 20 6mv C1 Pk Pk 40 4mV 20 0mV 16 Jun 2004 13 56 17 SM 200ps ChS Figure 12 Output ripple amp noise at 12Vin 5 0V 15A out be Y ELECTRICAL CHARACTERISTICS CURVES Tek EI Single seq 5 00
5. If the enable signal comes from the secondary side then an opto coupler or other isolation devices must be used to bring the signal across the voltage isolation please see Figure 26 NC6A 15A 20A Vout Vin Enable NC6A 15A 20A Vout Vin Enable Ground Ground Figure 25 Enable input drive circuit using logic gate NC6A 15A 20A Vout Vin Ground Ground a Y FEATURES DESCRIPTIONS CON 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 7 0V to 8 0V Over Current and Short Circuit Protection The NC 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 high side MOSFET 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 Please see the electrical characteristics for details of the OCP function The detection of the Rds on of the high side MOSFET also acts as an over temperature protection since high temperature will cause the Rd
6. Tek BEE 2 50MS4s 16 Acgs ao a EY F O EEF E C2 Max 2 546 V C2 Mean 2 4511 Y C2 Min 2 419 Y C2 Pk Pk 132mY 13 43 25 Figure 21 Typical transient response to step load change at 10A uS from 50 to 75 and 75 to 50 of lo max at 12Vin 2 5V out NC12S15A 01102008 Tek SUE BaO 206 Acqs 6 EEF YNN PR A JA 200mY je 1 285 V C2 Max 1 243 V C2 Mean 1 1795 V C2 Min 1 113 C2 Pk Pk 130mY S00mv A ME 50 0mV M20 0ns Chi Y OS0mV g jul 2004 13 34 01 Figure 20 Typical transient response to step load change at 10A uS from 50 to 75 and 75 to 50 of lo_max at 12Vin 1 2V out Tek BA 2 50MS s 31 Acqs a on Tes ee a gn au E C2 Max 3 023 Y C2 Mean 4 9302 Y C2 Min 4 869 Y C2 Pk Pk 1534mY 13 37 13 Figure 22 Typical transient response to step load change at 10A uS from 50 to 75 and 75 to 50 of lo_max at 12Vin 5 0V out DESIGN CONSIDERATIONS The NC15 is a single phase and voltage mode controlled Buck topology Block diagram of the converter is shown in Figure 23 The output can be trimmed in the range of 0 9Vde to 5 0Vdc by a resistor from Trim pin to Ground The converter can be turned ON OFF by remote control Positive on off ENABLE pin logic implies that the converter DC output is enabled when this signal is driven high greater than 2 4V or floating and disabled when the signal is driven low below 0 8V Negative on off logic is optional and could als
7. 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 module 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 NC12S15A_ 01102008 sot FACING PWB PWB MODULE AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 0 17 5 0 69 35 1 38 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches Figure 32 Wind tunnel test setup a Samm
8. 0 715KO Rt KO RIMA 12 suo 1 17 Rs Vout 0 9 y T FEATURES DESCRIPTIONS CON Power Good The converter provides an open collector signal called Power Good This output pin uses positive logic and is open collector This power good output is able to sink 5mA and set high when the output is within 110 of output set point The power good signal is pulled low when output is not within 10 of Vout or Enable is OFF Current Sink Capability The NC series converters are able to sink current as well as function as a current source It is able to sink the full output current at any output voltage up to and including 2 5V This feature allows the NC series fit into any voltage termination application Voltage Margining Adjustment Output voltage margin adjusting can be implemented in the NC modules by connecting a resistor Rmarginup from the Trim pin to the Ground for 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 30 shows the circuit configuration for output voltage margining adjustment Vt NC6A 15A 20A Vout Rmargin down Vin Enable Rmargin up Ground Ground Figure 30 Circuit configuration for output voltage margining Paralleling NC06 NC15 NC20 converters do not have built in current sharing paralleling ability Hence paralleling of multiple NC06 NC15
9. E CHARACTERISTICS Switching Frequency fixed 300 KHz ON OFF Control Positive logic internally pulled high Logic High Module On or leave the pin open 2 4 5 5 V Logic Low Module Off 0 0 8 V GENERAL SPECIFICATIONS MTBF Telcordia SR 332 Issue1 Method1 Case3 at 50 C 2 1 M hours Weight 16 5 grams NC12515A_01102008 S ELECTRICAL CHARACTERISTICS CURVES 90 80 70 60 50 40 Efficiency 30 20 01 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current A Figure 1 Converter efficiency vs output current 0 9V output voltage 100 90 80 70 60 50 40 30 20 10 O Efficiency O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current A Figure 3 Converter efficiency vs output current 1 8V output voltage 100 90 80 70 Efficiency 90 8 01 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current A Figure 5 Converter efficiency vs output current 3 3V output voltage NC12S15A 01102008 Efficiency 012 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current A Figure 2 Converter efficiency vs output current 1 2V output voltage 100 90 80 70 60 50 40 30 20 10 O Efficiency O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Output Current A Figure 4 Converter efficiency vs output current 2 5V output voltage 100 90 80 70 60 50 40 30 20 10 Efficiency
10. KS 5 HYN HNN YNN FRY NF nd EN 5 00 V i Ch3 400mY amp Cha 2 50 V 5 o Figure 13 Turn on delay time at 12Vin 0 9V 15A out Ch2 Vin Ch3 Vout Ch4 PWRGD Tek EIN Single seq 5 00KS 5 etek a eee MT0 0ms nd 3 50 Y 8 Jul 2004 15 16 46 Figure 15 Turn on delay time at 12Vin 2 5V 15A out Ch2 Vin Ch3 Vout Ch4 PWRGD TeK Run ae Sample IEK tenen is ph M10 0ms Ch 3 50Y gjul 2004 15 52 24 Figure 17 Turn on delay time at 12Vin 5 0V 15A out Ch2 Vin Ch3 Vout Ch4 PWRGD NC12S15A_ 01102008 Tek O 0 Acqs E nen aaee tenten 4 72 14 9m5 15 09 Y C3 Rise 5 47 ms Ch2 Ch3 300mV tu 17 55 56 Figure 14 Turn on delay time Remote On Off 0 9V 15A out Ch2 ENABLE Ch3 Vout Ch4 PWRGD Tek ETH 10 0kS s O Acgs re Fn pn ch Ch3 8S00mV tu 18 10 27 Figure 16 Turn on delay time at Remote On Off 2 5V 15A out Ch2 ENABLE Ch3 Vout Ch4 PWRGD Tek ETH 10 0kS s 4 Acqs en de EAR ee 3 2 00 Y amp M5 00ms Ch2 2 40Y 17 jun 2004 2 00 Y amp ch Ch3 1 50 V 4 o Figure 18 Turn on delay time at Remote On Off 5 0V 15A out Ch2 ENABLE Ch3 Vout Ch4 PWRGD a BE ELECTRICAL CHARACTERISTICS CURVES Tek STR 35 ACTS en Tee C2 Mean 896 8 MY C2 Min 827 mY C2 Pk Pk 132mY Chi 250mv e ME 50 0mV M20 04s Chi 750mV 8 Jul 2004 11 26 19 Figure 19 Typical transient response to step load change at 10A uS from 50 to 75 and 75 to 50 of lo max at 12Vin 0 9V out
11. NC20 converters is not recommended NC12S15A_ 01102008 Output Capacitance There is no output capacitor on the NC series modules Hence an external output capacitor is reguired for stable operation For NC15 modules an external 6 3V 680uF low ESR capacitor for example OSCON is required for stable operation It is important to places these low ESR capacitors as close to the load as possible in order to get improved dynamic response and better voltage regulation especially when the load current is large Several of these low ESR capacitors could be used together to further lower the ESR Please refer to individual datasheet for the maximum allowed start up load capacitance for each NC series as it is varied between series Reflected Ripple Current and Output Ripple and Noise Measurement The measurement set up outlined in Figure 31 has been used for both input reflected terminal ripple current and output voltage ripple and noise measurements on NC series converters i Ml i ae Ss n 3 3 o o 2 D Cs 270uF 1 Ltest 1 4uH Cin 270uF 1 Cout 680uF 1 Figure 31 Input reflected ripple capacitor ripple current and output voltage ripple and noise measurement setup for NC15 Sd 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
12. ation NC12S0A0V15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 0 9V Either Orientation 15 12 F A Le Natural Convection 9 2 ee Sy 100LFM 200LFM 6 p E 300LFM 3 0 25 30 35 40 45 50 55 60 65 70 75 8 Ambient Temperature C Figure 37 Output current vs ambient temperature and air velocity Vout 0 9W Either Orientation Pr 11 THERMAL CURVES NC12S0A0H15 FACING PWB PWB MODULE AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 0 AIR FLOW O 9 5 0 37 19 0 75 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches Figure 38 Wind tunnel test setup a Ea O a A U y oo 0 o 11 8mm m 0 46 Figure 39 Temperature measurement location The allowed maximum hot spot temperature is defined at 125 C NC12S0A0H15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 5V Either Orientation Convection pen GPS i Natural 100LFM 200LFM 300LFM 400LFM 3 He a a a Arbin Temperature C Figure 40 Output current vs ambient temperature and air velocity Vout 5V Either Orientation NC12S15A 01102008 NC12S0A0H15 Standard Output Current vs Ambient Temperature and Air Velocity Output Curre
13. eries omage output Voltage Current Logic Code OAO H Horizontal P Positive R 0 118 F RoHS 6 6 A Standard Non isolated 10 2 13 8V output programmable _ V Vertical 14 Lead Free Converter MODEL LlST i Efficiency Model Name Packaging Input Voltage Output Voltage Output Current 12Vin 100 load NC12S0A0V15PNFA 10 2 13 8Vdc 0 9 V 5 0Vdc a 91 5 0V NC12S0A0H15PNFA 10 2 13 8Vdc 0 9 V 5 0Vdc 91 5 0V 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 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 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 NC12S15A_ 01102008 e 14
14. nt A Vout 3 3V Either Orientation 15 Natural Convection 9 Dn 100LFM 200LFM 6 300LFM 3 ep en 0 L L L L L L L L 25 35 45 55 65 75 85 Ambient Temperature C Figure 41 Output current vs ambient temperature and air velocity Vout 3 3V Either Orientation NC12S0A0H15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 1 8V Either Orientation 15 12 Natural Convection 9 7 100LFM 200LFM 6 3 mn A Ee 0 25 35 45 55 65 75 85 Ambient Temperature C Figure 42 Output current vs ambient temperature and air velocity Vout 1 8V Either Orientation NC12S0A0H15 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vout 0 9V Either Orientation Natural Convection 100LFM 200LFM a li Abt Temperature o Figure 43 Output current vs ambient temperature and air velocity Vout 0 9V Either Orientation y y 12 MECHANICAL DRAWING We i VERTICAL 800 0 315 MAX 30 5 1207 al 2 00 0 079 MAX i al Y o 8 N LO 5 1 11 T PEPEE d P HIL mm 3 81 0 150 TL 2 18 0 086 _SQ 0 64 0 025 TYP 26 67 1 050
15. o be ordered The converter provides an open collector signal called Power Good The power good signal is pulled low when output is not within 10 of Vout or Enable is OFF 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 Figure 23 Block Diagram 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 current rating of the fuse NC12S15A 01102008 FEATURES DESCRIPTIONS ENABLE On Off The ENABLE on off input allows external circuitry to put the NC converter into a low power dissipation sleep mode Positive active high ENABLE is available as standard Positive ENABLE active high units of the NC series are turned on if the ENABLE pin is high or floating Pulling the pin low will turn off the unit With the active high function the output is guaranteed to turn on if the ENABLE pin is driven above 2 4V The output will turn off if the ENABLE pin voltage is pulled below 8V The ENABLE input can be driven in a variety of ways as shown in Figures 24 25 and 26 If the ENABLE signal comes from the primary side of the circuit the ENABLE can be driven through either a bipolar signal transistor Figure 24 or a logic gate Figure 25
16. s OPTIONS 4 4 Vertical or horizontal versions Negative ON OFF logic APPLICATIONS 4 4 4 DataCom Distributed power architectures Servers and workstations LAN WAN applications Data processing applications A DELTA Delta Electronics Inc TECHNICAL SPECIFICATIONS Ambient Temperature 25 C minimum airflow 200LFM nominal V 12Vdc unless otherwise specified PARAMETER NOTES and CONDITIONS NC12S0A0V H15 Min Typ Max Units ABSOLUTE MAXIMUM RATINGS Input Voltage Vdc Operating Temperature Vertical With appropriate air flow and derating see Figs 33 0 130 C Operating Temperature Horizontal With appropriate air flow and derating see Figs 39 0 125 yo Storage Temperature 40 125 C Input Output Isolation Voltage Non isolated NA V INPUT CHARACTERISTICS Operating Input Voltage 10 2 12 0 13 8 V Input Under Voltage Lockout Turn On Voltage Threshold 9 0 V Turn Off Voltage Threshold 7 5 V Lockout Hysteresis Voltage 1 5 V Maximum Input Current 100 Load 10 2Vin 5 0Vout 8 1 A No Load Input Current Vin 12V Vout 0 9V 65 mA Off Converter Input Current Remote OFF 9 mA Input Reflected Ripple Current Refer to Figure 31 150 mA Input Ripple Rejection 120Hz 45 dB OUTPUT CHARACTERISTICS Output Voltage Adjustment Range 0 9 5 0 V Outpu
17. s on of the MOSFET to increase eventually triggering over current protection Output Voltage Programming The output voltage of the NC series is trimmable by connecting an external resistor between the trim pin and output ground as shown Figure 27 and the typical trim resistor values are shown in Figure 28 The output can also be set by an external voltage connected to trim pin as shown in Figure 29 NC6A 15A 20A Vout Vin Figure 27 Trimming Output Voltage NC12S15A 01102008 The NCO6 NC15 NC20 module has a trim range of 0 9V to 5 0V The trim resistor equation for the NC6A NC 15A NC20A is 1170 Rs Q Vout 0 9 Vout is the output voltage setpoint Rs is the resistance between Trim and Ground Rs values should not be less than 2800 Output Voltage Rs O 732 487 287 Figure 28 Typical trim resistor values NC6A 15A 20A Vout Enable Ground Figure 29 Output voltage trim with voltage source To use voltage trim the trim equation for the NC6A NC 15A NC20A is please refer to Fig 29 Rs 1 3Vt 1 17 REKO 1 17 Rs Vout 0 9 Vout is the desired output voltage Vt is the external trim voltage Rs is the resistance between Trim and Ground in KO Rt is the resistor to be defined with the trim voltage in KO Below is an example about using this voltage trim equation Example If Vt 1 25V desired Vout 2 5V and Rs
18. t Voltage Set Point With a 1 0 trim resistor 2 5 2 5 Output Voltage Regulation Over Load lo lo min to lo_max 1 0 1 0 Over Line Vin Vin_min to Vin_max 0 2 0 2 Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak to Peak Full Load 100nF ceramic 10uF tantalum 50 mV RMS Full Load 100nF ceramic 10uF tantalum 20 mV Output Current Range 0 15 A Output Voltage Over shoot at Start up Vin 12V Turn ON 1 Output Voltage Under shoot at Power Off Vin 12V Turn OFF 100 mV Output DC Current Limit Inception Hiccup mode 16 A Output Short Circuit Current Hiccup mode DYNAMIC CHARACTERISTICS Output Dynamic Load Response 12Vin 100nF ceramic 10uF tantalum load cap 10A us Positive Step Change in Output Current 50 lo max to 75 lo max 100 mV Negative Step Change in Output Current 75 lo_max to 50 lo_max 100 mV Settling Time Settling to be within regulation band Vo 2 5 200 us Turn On Transient Start Up Time from On Off Control From Enable high to 10 of Vo 10 ms Start Up Time from input power From Vin 12V to 10 of Vo 10 ms Minimum Output Capacitance Ex OSCON 6 3V 680uF ESR 13 mO max 680 uF Maximum Output Startup Capacive Load Full Load 6800 uF Minimum Input Capacitance Ex OSCON 16V 270uF ESR 18 mO max 270 uF EFFICIENCY Vo 0 9V Vin 12V lo 15A 75 Vo 1 2V Vin 12V lo 15A 79 Vo 1 5V Vin 12V lo 15A 81 Vo 1 8V Vin 12V lo 15A 84 Vo 2 5V Vin 12V lo 15A 87 Vo 3 3V Vin 12V lo 15A 89 Vo 5 0V Vin 12V lo 15A 91 FEATUR
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