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Mean Well

Mean Well MHB75-12S05 DC-DC Converter - 75W - 9~18V in 5V out 15A

SKU MHB75-12S05
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Overview

MHB75-12S05 is the 5V output model of this series: rated power 75W, typical efficiency 83%.

Features

  • Half-brick size (2.28"×2.4"×0.5") with industry standard pin out
  • 2:1 wide input range
  • Protections: Short circuit / Over current / Over voltage / Over temperature
  • High efficiency up to 89%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in remote sense function
  • Trimming output ±10%
  • Five-sided shield metal case
  • Optional heat sinks for extended operating temperature
  • Output 3.3V/15V available
  • Approvals: UL / CUL / EAC / CE / UKCA
  • 3 years warranty

Specifications

MHB75-12S05Specifications from the official datasheet (2024-04-30 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
0 ~ 15A
RATED POWER
75W
RIPPLE & NOISE (max.)Note.2
75mVp-p
VOLTAGE ACCURACYNote.3
±1.0%
LINE REGULATION
±0.2%
LOAD REGULATION
±0.2%
SWITCHING FREQUENCY (Typ.)
400KHz for 12/24Vin, 300KHz for 48Vin
EXTERNAL TRIM ADJ. RANGE (Typ.)
±10%
EXTERNAL CAPACITIVE LOAD (max.)
10000uF

INPUT

RATED DC INPUT
12VDC
VOLTAGE RANGE
9 ~ 18VDC
SURGE VOLTAGE (100ms max.)
25VDC
UNDER VOLTAGE LOCKOUT
Power up: 8.8VDC, Power down: 8VDC
EFFICIENCY (Typ.)
83%
DC CURRENT FULL LOAD
7570mA
DC CURRENT NO LOAD
50mA
FILTER
Pi-network

PROTECTION

OUTPUT OVER CURRENT
110 ~ 150% rated output power Protection type : Over current limiting, recovers automatically after fault condition is removed
OUTPUT OVER VOLTAGE (Typ.)
115 ~ 140% rated output voltage Protection type : Output voltage clamp by TVS diode
OUTPUT SHORT CIRCUIT
Protection type : Can be continuous, recovers automatically after fault condition is removed
OVER TEMPERATURE
100℃±5℃of case temperature

FUNCTION

REMOTE CONTROL
Please refer to "Remote ON/OFF Control" for details

OPERATING

OUTPUT TRIMMING
±10%, Please refer to "External Output Trimming" for details

ENVIRONMENT

WORKING TEMPERATURE (Typ.)
-40 ~ +100℃ ; Thermal shutdown at 100℃±5℃of case temperature (please refer to "Thermal Curve")
WORKING HUMIDITY
0% ~ 95% RH max.
STORAGE TEMP., HUMIDITY
-55 ~ +105℃, 0 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0~60℃)

SAFETY & EMC

SAFETY STANDARDS
UL60950-1, EAC TP TC 020/2011(EAC TP TC 004 for 48Vin type only) approved
ISOLATION VOLTAGE
I/P-O/P:1500VDC, I/P-Case:1500VDC, O/P-Case:1500VDC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class A with external components (please refer to "EMC Suggestion Circuit"), EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8; BS EN/EN55024, light industry level, criteria A, EAC TP TC 020

OTHERS

CASE MATERIAL
Aluminum
MTBF
1000K hrs typ. MIL-HDBK-217F (25℃)
DIMENSION
57.9*61*12.7mm (2.28"*2.40"*0.5") (L*W*H)
PACKING
95g ; 12pcs/EPE, 60pcs/5 per carton
Test conditions and notes4
  1. 1. All parameters NOT specially mentioned are measured at 12,24,48VDC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 1uF ceramic & 10uF tantalum capacitor across output.
  3. 3. The power supply need to connect "+Vout" to "+R.S" and "-Vout" to "-R.S".
  4. 4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”

Technical drawings

MHB75-12S05 M H B 7 5 series
M H B 7 5 series
MHB75-12S05 Remote ON/OFF Control
Remote ON/OFF Control
MHB75-12S05 +Vin
+Vin
MHB75-12S05 Output
Output
MHB75-12S05 Thermal Curve
Thermal Curve
MHB75-12S05 Case Heat Sink (Optional)
Case Heat Sink (Optional)
MHB75-12S05 Heatsink Assembly
Heatsink Assembly
MHB75-12S05 Packing
Packing

Downloads

FAQ

Can I use the MHB75-12S05 to derive 5V power from a 12V battery-based industrial system?

This converter is designed for a 9-18V input range and provides constant 5V output, which matches 12V-class source systems. It is rated for 75W total power and up to 15A output current.

Is this model suitable for powering 5V embedded processors or control boards in mobile equipment?

It fits 5V electronics that need a regulated supply from a 9-18V source. The converter can deliver up to 15A at 5V with a total power rating of 75W.

Can the MHB75-12S05 support 5V sensor aggregation or industrial I/O logic from a 12V-class bus?

Yes, it accepts 9-18V input and outputs constant 5V for low-voltage control or sensing electronics. The output rating is 15A, with 75W total available power.

Would this converter be appropriate for compact embedded systems where board space is limited?

Its dimensions are 61.0 × 57.9 × 12.7 mm and its weight is 95 g, so it is relatively compact for enclosed equipment. Electrically, it provides constant 5V output up to 15A from a 9-18V input.

Is the MHB75-12S05 suitable for outdoor use?

The operating range is specified as -40°C to +100°C case temperature, with thermal shutdown at 100°C ±5°C, but no IP rating is listed in the specs. It is a component meant to be installed inside final equipment, so resistance to rain, dust, or direct exposure must come from the end enclosure.

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Mean Well MHB75-12S05 DC-DC Converter - 75W - 9~18V in 5V out 15A
Mean Well

Mean Well MHB75-12S05 DC-DC Converter - 75W - 9~18V in 5V out 15A

Log in to see price

MHB75-12S05 is the 5V output model of this series: rated power 75W, typical efficiency 83%.

Features

  • Half-brick size (2.28"×2.4"×0.5") with industry standard pin out
  • 2:1 wide input range
  • Protections: Short circuit / Over current / Over voltage / Over temperature
  • High efficiency up to 89%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in remote sense function
  • Trimming output ±10%
  • Five-sided shield metal case
  • Optional heat sinks for extended operating temperature
  • Output 3.3V/15V available
  • Approvals: UL / CUL / EAC / CE / UKCA
  • 3 years warranty
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