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350W isolated DC-DC converter Ultra-wide input and regulated single output

Categories DC DC Converter Module
Brand Name: MORNSUN
Model Number: VRB24 HB-350WR3
Certification: CE
Place of Origin: China
MOQ: 100PCS
Price: Negotiated
Payment Terms: T/T
Supply Ability: 500Kpcs/month
Packaging Details: Carton packed
Input voltage: 24VDC
I/O isolation test voltage: 1.5K VDC
Operating ambient temperature range: -40C to + 100C
MTBF(MIL-HDBK-217F@25C): 1000K hours
Dimensions: 61.0 × 57.9 × 12.7mm
Weight: 81.6g(Typ.)
Case Material: Black plastic; flame-retardant and heat-resistant (UL94 V-0) & Aluminum alloy case
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350W isolated DC-DC converter Ultra-wide input and regulated single output

350W isolated DC-DC converter Ultra-wide input and regulated single output


Descriptions

VRB24_HB-350WR3 series of isolated 350W DC-DC products with a 2:1 input voltage range. They feature eficiencies of up to 89%, 150VDC input to output isolation, operating ambient temperature range of -40C to+10C. The products also provide output over-voltage, short-circuit protection.They met CLASA of CISPR32/EN5032 EMI standards. Additional functions include remote On/Off control,they are widely used in aplications such asbaterypowersuplies, industrialcontrol,electricpoweinstrumentationandtelecommunication fields.


FEATURES

  • Wide input voltage range (2: 1)
  • High efficiency up to 89%
  • I/O isolation test voltage: 1.5k VDC
  • Output voltage adjustment Trim: 60%- 1 10%Vo
  • Output over-voltage, short-circuit, over-current protection, over-temperature protection
  • Operating ambient temperature range: -40C to + 100C
  • Industry standard 1/2 brick
  • Meet EN62368 standards

Specifications


Selection Guide
CertificationPart No.Input Voltage (VDC)Output

Full Load

Efficiency ②

(%) Min./Typ.

Max. Capacitive

Load(µF)

NominalMax.①

Voltage

(VDC)

Current (mA) Max./Min.

--

VRB2412HB-350WR3

24

(20-36)

401224000/083/866800
VRB2424HB-350WR3

24

(20-36)

402414500/085/874000
VRB2428HB-350WR3

24

(20-36)

402812500/087/893300
VRB2432HB-350WR3

24

(20-36)

403211000/087/892700

Note: ① Exceeding the maximum input voltage may cause permanent damage;

② Efficiency is measured in nominal input voltage and rated output load .

Input Specifications
ItemOperating ConditionsMin.Typ.Max.Unit

Input Current (full load / no-load)

12V output--13953/30--

A

24V output--16667/30--
28V output--16400/30--
32V output--16480/30--
Reflected Ripple CurrentNominal input voltage, 100% load--300--
Surge Voltage (1sec. max.)-0.7--40VDC
Start-up Voltage----20
Input FilterC filter
Hot PlugUnavailable

Ctrl*

Module onCtrl pin GND or pulled low (0- 1.2VDC)
Module offCtrl pin open or pulled high TTL (3.5- 12VDC)
Input current when off--610 A
Note: *The Ctrl pin voltage is referenced to input GND .
Output Specifications
ItemOperating ConditionsMin.Typ.Max.Unit
Voltage Accuracy--± 1±3

%

Linear RegulationInput voltage variation from low to high at full load--±0.2±0.5
Load Regulation5%- 100% load--±0.5± 1
Transient Recovery Time25% load step change--300500µs
Transient Response Deviation--±5±8%
Temperature CoefficientFull load----±0.03%/C
Ripple & Noise *20MHz bandwidth, 5%- 100%Io load--200300mVp-p
Trim60--1 10%
Sense----105
Over-temperature ProtectionSurface max. temperature--125--C
Over-voltage Protection

Input voltage range

Hiccup
Over-current Protection1 10--190%Io
Short-circuit ProtectionContinuous, self-recovery
Note: *The “Tip and barrel” method is used for ripple and noise test, Ripple & Noise at <5% load is 5%Vo max.
Mechanical Specifications
Case MaterialBlack plastic; flame-retardant and heat-resistant (UL94 V-0) & Aluminum alloy case
Dimensions61.0 × 57.9 × 12.7mm
Weight81.6g(Typ.)
Cooling MethodForced water convection or other heat dissipation methods, ensuring product surface temperature less than 100C

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