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GLOBAL ENERGY EFFICIENCY SPECIALIST 

Copyright ©  2016 Huawei Technologies Co., Ltd. All Rights Reserved. 

 

THIS DOCUMENT IS FOR INFORMATION PURPOSES ONLY AND DOES NOT CONSTITUTE A WARRANTY OF ANY KIND. 

Description

 

Mechanical Features 

Control Features 

Protection Features 

Operational Features 

Full-Brick  

AC-DC Converter 

90

–290 V AC 

Input 

48 V DC Output 

10.5 A Current 

Negative 

Logic 

Safety Features

 

ADF10S48B 
AC-DC Converter Technical Manual V1.1 

The ADF10S48B is a new generation isolated  

AC-DC converter that uses an industry standard 

full-brick structure, featuring high efficiency and 

power density with low output ripple and noise. It 

operates over an input voltage range of 90 V AC 

to 290 V AC, and provides the rated output voltage 

of 48 V DC as well as the maximum output current 

of 10.5 A. 

Rated input voltage: 110/220 V AC 

Output current: 0

–10.5 A 

Efficiency: 92.8% (48 V DC, 10.5 A) 

Industry standard full-brick (L x W x H): 116.8 

x 61.0 x 12.7 mm (4.60 x 2.40 x 0.50 in.) 

Weight: 

190 g 

Remote On/Off 

Remote sense 

Output voltage trim 

PMBus communication 

Input undervoltage protection 

Input overvoltage protection 

Output overcurrent protection (self-recovery) 

Output overvoltage protection (latch off)   

 

Output short circuit protection (self-recovery)

 

Overtemperature protection (self-recovery)

 

TUV, UL, CE certification 

UL60950-1, C22.2 NO. 60950-1, EN60950-1, 

and IEC 60950-1 compliant 

RoHS6 compliant 

Applications

 

ADF10S48B 

Servers/Storage equipment 

Routers/Switches 

Telecommunications equipment 

Enterprise networks 

Summary of Contents for ADF10S48B

Page 1: ... an input voltage range of 90 V AC to 290 V AC and provides the rated output voltage of 48 V DC as well as the maximum output current of 10 5 A Rated input voltage 110 220 V AC Output current 0 10 5 A Efficiency 92 8 48 V DC 10 5 A Industry standard full brick L x W x H 116 8 x 61 0 x 12 7 mm 4 60 x 2 40 x 0 50 in Weight 190 g Remote On Off Remote sense Output voltage trim PMBus communication Inpu...

Page 2: ...on grounding 2 AC2 12 AUX Auxiliary power supply 3 SP Surge protection 13 CB Current balance for parallel operation 4 R External resistor for inrush current protection 14 ENA Enable signal or input power failure signal 5 BC Boost output voltage 15 SDA PMBus serial data line 6 BC Boost output voltage 16 SCL PMBus serial clock line 7 Vout Output voltage 17 ALERT PMBus alert 8 Vout Output voltage 18 ...

Page 3: ...48B AC DC Converter Technical Manual V1 1 1 All dimensions in mm in Tolerances x x 0 5 mm x xx 0 02 in x xx 0 25 mm x xx 0 010 in unless otherwise specified 2 Pins 1 6 are 1 00 0 05 mm 0 039 0 002 in diameter Pin 7 and pin 8 are 2 0 0 05 mm 0 079 0 002 in diameter ...

Page 4: ...stics Operating input voltage 90 290 V AC Rated input voltage 100 110 2 20 240 V AC Maximum input current 8 A Vin 90 V AC 100 load Inrush current 20 A Vin 110 V AC 40 A Vin 220 V AC Input frequency 47 50 60 63 Hz Power factor 0 95 TA 25 C Vin 110 220 V AC 100 load Total harmonic distortion THD 10 TA 25 C Vin 110 220 V AC Pout 500 W No load power 10 W TA 25 C Vin 110 V AC 12 W TA 25 C Vin 220 V AC ...

Page 5: ...NCC Output ripple and noise peak to peak 550 mV 5 C TA 85 C Oscilloscope bandwidth 20 MHz 800 mV 25 C TA 5 C Oscilloscope bandwidth 20 MHz 800 mV 40 C TA 25 C Oscilloscope bandwidth 20 MHz Hold up time 10 ms Output capacitor 470 µF x 3 Bulk capacitor 390 µF TA 25 C 100 load from input power outage to 90 Vout Output voltage delay time 8 s From Vin connection to 10 Vout Output voltage rise time 100 ...

Page 6: ...seplate Hysteresis 90 5 C C Self recovery The overtemperature protection threshold is obtained by measuring the temperature of the middle of the baseplate Dynamic characteristics Overshoot amplitude Recovery time 5 250 µs TA 25 C Vin 110 220 V AC Current change rate 0 1 A μs Load 25 50 25 50 75 50 Efficiency 100 load 87 0 90 2 TA 25 C Vin 110 V AC Iout 10 5 A 90 0 92 8 TA 25 C Vin 220 V AC Iout 10...

Page 7: ...nt should be less than 10 mA The test voltage ramp up less than 500 V per second Input to baseplate insulation voltage 3535 V DC Output to baseplate insulation voltage 707 V DC Input to output insulation resistance 10 MΩ Normal atmospheric pressure 90 humidity 500 V DC Input to baseplate insulation resistance 10 MΩ Output to baseplate insulation resistance 10 MΩ Reliability characteristics Mean ti...

Page 8: ...verter Technical Manual V1 1 Characteristic Curves Figure 1 Efficiency Figure 2 Power dissipation Conditions TA 25 C unless otherwise specified Figure 3 Output voltage vs Output current Figure 4 Thermal derating curve Vin 110 220 V ambient temperature TA 85 C ...

Page 9: ... Vout pin respectively Vout ADF10S48B AC DC Converter Technical Manual V1 1 Vout F1 15 A 250 V AC C1 C2 C3 The 1 μF 275 V AC film capacitor is recommended C4 C5 C6 The 470 μF 63 V low ESR aluminum electrolytic capacitor is recommended C7 C8 The 1 5 μF 450 V film capacitor is recommended C9 The 390 μF 450 V long life 5000 h aluminum electrolytic capacitor is recommended C10 The 2200 pF capacitor is...

Page 10: ...re 8 Startup from On Off Vin 110 V AC 100 load Figure 9 Startup from On Off Vin 110 V AC 100 load Conditions TA 25 C unless otherwise specified Vout On Off Vout On Off Typical Waveforms ADF10S48B AC DC Converter Technical Manual V1 1 On Off Figure 12 Startup from On Off Vin 220 V AC 100 load Figure 13 Startup from On Off Vin 220 V AC 100 load Vout Vout On Off On Off ...

Page 11: ... 14 Shutdown from On Off Vin 220 V AC 100 load Figure 15 Shutdown from On Off Vin 220 V AC 100 load Conditions TA 25 C unless otherwise specified Vout On Off Vout On Off Typical Waveforms ADF10S48B AC DC Converter Technical Manual V1 1 Vin Figure 18 Shutdown by power off Vin 110 V AC 100 load Figure 19 Shutdown by power off Vin 110 V AC 100 load Vout Vin Vin Vout ...

Page 12: ...in 220 V AC 100 load Figure 21 Startup by power on Vin 220 V AC 100 load Conditions TA 25 C unless otherwise specified Vout Vin Vout Vin Typical Waveforms ADF10S48B AC DC Converter Technical Manual V1 1 Vin Figure 24 Output voltage dynamic response Vin 110 V AC load 50 25 50 di dt 0 1 A µs Figure 25 Output voltage dynamic response Vin 110 V AC load 75 50 75 di dt 0 1 A µs Vout Vout Iout Iout ...

Page 13: ...erwise specified Vout Vout Typical Waveforms Figure 26 Output voltage dynamic response Vin 220 V AC load 50 25 50 di dt 0 1 A µs ADF10S48B AC DC Converter Technical Manual V1 1 Figure 27 Output voltage dynamic response Vin 220 V AC load 75 50 75 di dt 0 1 A µs Iout Iout ...

Page 14: ...ended product model ELXS451VSN391MR50S NCC C11 2200 pF C12 C13 100 nF 1 kV C14 C15 C16 Low ESR aluminum electrolytic capacitor 470 µF 63 V recommended product model EKY 630ELL471MK25S NCC D1 1 kV 3 A RT1 NTC resistor 1 Ω 1 C10 C14 C15 C16 When the temperature is lower than 25 C the recommended capacitance should be doubled 2 When selecting an output capacitor consider not only the ripple voltage b...

Page 15: ...rter Technical Manual V1 1 Figure 29 Configuration diagram for remote sense This function is used to compensate for voltage drops on Rw which indicates the line impedance between the output and the load S S Vout and Vout should meet the following requirements AC1 AC2 SP Vout S Trim S Vout Rw Load BC BC R Rw If the remote sense function is not required S should be connected to Vout and S should be ...

Page 16: ...n Off signal Auxiliary Power Supply AUX The AUX pin supplies auxiliary power to an external circuit with a typical output voltage of 12 V Be careful not to short circuit the AUX pin and other pins on the module otherwise the module will be damaged Do not connect the AUX pin if power supply to an external circuit is not required ADF10S48B S CNT COM AUX ENA 10 kΩ ADF10S48B Parallel Operation CB When...

Page 17: ...t voltage Input power Output voltage Output power Baseplate temperature CNT On Off The module detects and reports the following Input faults Output overvoltage Output overcurrent Baseplate overtemperature The module communicates with the system over the PMBus The following table describes the PMBus address R ADDR Pull Down Resistor Address Left open Invalid 200 kΩ 0x5F 174 kΩ 0x5E 150 kΩ 0x5D 124 ...

Page 18: ...pe Data Byte Data Format Control commands 01h OPERATION Read Write Byte 1 03h CLEAR_FAU LTS Send Byte 0 11h STORE_DEF AULT_ALL Send Byte 0 Output commands 20h VOUT_MOD E Read Byte 1 21h VOUT_COM MAND Read Write Word 2 Linear 16 Alarm command 51h OT_WARN_ LIMIT Read Write Word 2 Linear 11 Status command 79h STATUS_W ORD Read Word 2 Monitoring commands 88h READ_VIN Read Word 2 Linear 11 8Bh READ_VOU...

Page 19: ...is turned ON as long as Enable is active low The OPERATION command is used to turn the module ON or OFF via the PMBus It uses the following data bytes Function Data Byte ON 0x80 RESET 0x00 OFF 0x55 The output voltage is calculated as follows Voltage V x 2N Where Voltage is the output voltage value V is the 16 bit unsigned integer N is the 5 bit signed integer two s complement Figure 38 VOUT data f...

Page 20: ...emperature of the module It protects the module from being damaged at high temperatures When the temperature exceeds the overtemperature protection threshold the output will shut down If the temperature drops below the overtemperature protection recovery threshold more than 5 minutes after the module shuts down the output recovers Note that the sensor does not sense the temperature within 5 minute...

Page 21: ...620 V 385 V 12 kA RV2 RV3 750 V 460 V 12 kA RV4 620 V 385 V 12 kA RV5 620 V 385 V 4 5 kA L1 3 5 mH L2 5 12 mH C1 C2 Ceramic capacitor 1 nF 250 V C3 C6 C7 Film capacitor 1 µF 275 V AC C4 C5 10 nF 250 V AC C8 C9 Film capacitor 1 5 µF 450 V C10 C11 Long life 5000 h aluminum electrolytic capacitor 390 µF 450 V recommended product model ELXS451VSN391MR50S NCC C12 2200 pF C13 C14 100 nF 1 kV C15 C16 C17...

Page 22: ...ling Test PTC 12 Rated input voltage airflow rate 0 5 m s 100 LFM to 5 m s 1000 LFM ambient temperature between 40 C and 85 C 1000 operating hours 50 load temperature change rate 15 C per minute dwell time 22 minutes Sufficient airflow should be provided to ensure reliable operating of the module Therefore thermal components are mounted on the top surface of the module to dissipate heat to the sur...

Page 23: ...any direction free airflow must be available Soldering The converter supports standard wave soldering and hand soldering Reflow soldering is not allowed 1 For wave soldering the temperature on the module is specified to a maximum of 260 C for 7 seconds at most 2 For hand soldering the iron temperature should be maintained at 350 C to 420 C and applied to the module pins for less than 10 seconds Th...

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