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Mean Well

Mean Well MHB100-24S05 DC-DC Converter - 100W - 18~36V in 5V out 20A

SKU MHB100-24S05
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Overview

MHB100-24S05 is the 5V output model of this series: rated power 100W, typical efficiency 84%.

Features

  • Half-brick size (2.28"X2.4"X0.5") 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

MHB100-24S05Specifications from the official datasheet (2024-04-30 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
0 ~ 20A
RATED POWER
100W
RIPPLE & NOISE (max.)Note.2
100mVp-p
VOLTAGE ACCURACYNote.3
±1.0%
LINE REGULATION
±0.2%
LOAD REGULATION
±0.2%
SWITCHING FREQUENCY (Typ.)
500KHz
EXTERNAL TRIM ADJ. RANGE (Typ.)
±10%
EXTERNAL CAPACITIVE LOAD (max.)
20000uF

INPUT

RATED DC INPUT
24VDC
VOLTAGE RANGE
18 ~ 36VDC
SURGE VOLTAGE (100ms max.)
50VDC
UNDER VOLTAGE LOCKOUT
Power up: 17VDC, Power down: 16VDC
EFFICIENCY (Typ.)
84%
DC CURRENT FULL LOAD
5020mA
DC CURRENT NO LOAD
50mA
FILTER
Pi-network

PROTECTION

OUTPUT OVER CURRENT
110 ~ 140% 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
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
900K 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 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

MHB100-24S05 MHB100 series
MHB100 series
MHB100-24S05 Remote ON/OFF Control
Remote ON/OFF Control
MHB100-24S05 +Vin
+Vin
MHB100-24S05 Output
Output
MHB100-24S05 Thermal Curve
Thermal Curve
MHB100-24S05 Case Heat Sink (Optional)
Case Heat Sink (Optional)
MHB100-24S05 Heatsink Assembly
Heatsink Assembly
MHB100-24S05 Packing
Packing

Downloads

FAQ

Can I use the MHB100-24S05 to step a 24V system down to 5V for industrial electronics?

Yes, this converter is designed for an 18-36V input range and provides a constant 5V output. It is rated for 100W and 20A, which suits higher-current 5V industrial electronics within those limits.

Is the MHB100-24S05 suitable for powering 5V embedded computing or control hardware from a nominal 24V source?

It is a fit when the upstream source is within the 18-36V input range and the downstream load needs 5V constant voltage. With 100W and 20A available on the output, it supports heavier 5V loads than lower-power board supplies.

Can this converter run 5V automation peripherals in vehicles, mobile equipment, or battery-backed systems?

It can fit 24V-class systems that stay within the stated 18-36V input range and need a regulated 5V output. Its operating range is -40°C to +100°C case temperature with thermal shutdown at 100°C±5°C, so derating or cooling must follow the thermal curve.

How does the MHB100-24S05 compare with the other MHB100 versions?

This model is the 18-36V input, 5V output version with 100W and 20A output. The other siblings are MHB100-24S12 at 100W, 12V, 8.3A; MHB100-24S24 at 100W, 24V, 4.17A; MHB100-48S05 at 100W, 5V, 20A; MHB100-48S12 at 100W, 12V, 8.3A; and MHB100-48S24 at 100W, 24V, 4.17A.

Is the MHB100-24S05 appropriate for outdoor or extreme-temperature environments?

Its operating range is -40°C to +100°C case temperature, with thermal shutdown at 100°C±5°C and derating or cooling per the thermal curve. No IP rating is listed and it is a component meant to be installed in final equipment, so it should not be exposed directly outdoors.

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Mean Well MHB100-24S05 DC-DC Converter - 100W - 18~36V in 5V out 20A
Mean Well

Mean Well MHB100-24S05 DC-DC Converter - 100W - 18~36V in 5V out 20A

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MHB100-24S05 is the 5V output model of this series: rated power 100W, typical efficiency 84%.

Features

  • Half-brick size (2.28"X2.4"X0.5") 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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