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150 Watt

4:1 Ultra Wide Input Range


Half-brick for railway applications

With no minimum load requirement and high efficiency up to 91%, our 150 watt half-brick DC-DC converter features an adjustable output voltage and meets UL60950-1, EN60950-1 and EN50155 safety standards. This reliable model also includes under voltage, output current, short circuit, over voltage and over temperature protection.

 

INPUT

  • Voltage Range
    • 24 Vin(nom), 3.3 and 5 Vout; 9 to 36 Vdc
    • Others: 8.5 to 36 Vdc
    • 48 Vdc nominal input: 16.5 to 75 Vdc
    • 110 Vdc nominal input: 43 to 160 Vdc
  • Start up voltage
    • 24 Vdc nominal input: 9 Vdc
    • 48 Vdc nominal input: 18 Vdc
    • 110 Vdc nominal input: 43 Vdc
  • Shutdown voltage
    • 24 Vdc nominal input: 7.3 Vdc
    • 48 Vdc nominal input: 15.5 Vdc
    • 110 Vdc nominal input: 33 Vdc
  • Start up time
    • Constant resistive load, power up: 75 mS
    • Remote ON/OFF: 75 mS
  • Input surge voltage
    • 1 second max., 24 Vin(nom): 50 Vdc
    • 48 Vdc nominal input: 100 Vdc
    • 110 Vdc nominal input: 185 Vdc
  • Input filter: Pi type
  • Remote ON/OFF
    • Negative logic (Standard)
      • DC-DC ON: Short or 0 to 1.2 Vdc
      • DC-DC OFF: Open or 3 to 12 Vdc
    • Positive logic (Option)
      • DC-DC ON: Open or 3 to 12 Vdc
      • DC-DC OFF: Short or 0 to 1.2 Vdc
  • Input current of control pin: 3 mA
  • Sync pin signal: -0.3 to 5.6 Vdc

OUTPUT

  • Voltage accuracy: ±1%
  • Line regulation
    • Low line to high line at full load: ±0.1%
  • Load regulation
    • No load to full load: ±0.1%
  • Voltage and adjustability: -20 to 10%
  • Remote sense: 10%
  • Ripple and noise (measured by 20 MHz bandwidth)
    • With a 1μF/25V X7R MLCC and 22μF/25V POS-CAP
      • 3.3 and 5 Vout: 75 mVp-p
      • 12 and 15 Vout: 100 mVp-p
    • With a 4.7μF/25V X7R MLCC
      • 24 and 28 Vout: 200 mVp-p
    • With a 2.2μF/25V X7R MLCC
      • 48 Vout: 300 mVp-p
  • Temperature coefficient: ±0.02%/°C
  • Transient response recovery time
    • 25% load step change: 200 to 250μs
  • Over voltage protection: 115 to 130%
  • Over load protection: 120 to 150%
  • Short circuit protection: continuous, automatic recovery

GENERAL

  • Efficiency: 88-91%
  • Isolation voltage (basic isolation)
    • Input to output: 2250 Vdc
    • Input to case: 1600 Vdc
  • Isolation resistance: 500 Vdc
  • Isolation capacitance: 2500 pF
  • Switching frequency: 225 to 275 kHz

ENVIRONMENTAL

    • Operating case temperature
      • Base-plate: -40 to 115°C
    • Over temperature protection: 120°C
    • Storage temperature range
      • Terminal block type: -40 to 105°C
      • Others: -55 to 125°C
    • Thermal impedance
      • Module without assembly option: 6.1°C/W
      • Only mount on the iron base-plate: 2.8°C/W
      • Heat sink type with 0.24" height
      • Heat sink type with 0.45" height
    • Thermal shock: MIL-STD-810F
    • Shock: EN61373, MIL-STD-810F
    • Vibration: EN61373, MIL-STD-810F
    • Relative humidity: 5 to 95%

PHYSICAL

  • Meets safety standards: IEC60950-1, UL60950-1, EN60950-1 and EN50155
  • 24 and 48 Vin(nom): Metal
  • 110 Vdc nominal input: aluminum base-plate with plastic case
  • Base material
    • 24 and 48 Vdc nominal input: FR4 PCB
  • Potting material: Silicone (UL94 V-0)
  • Weight: 105 g. (3.70 oz.)
  • MTBF: 3.500 x 105 hours, MIL-HDBK-217F, full load

EMC CHARACTERISTICS

  • EMI
    • EN55011: Class A
    • EN55022: Class B
  • ESD: EN61000-4-2, Perf. Criteria A
    • Air: ±8kV
    • Contact: ±6kV
  • Radiated immunity
    • EN61000-4-3: 20 V/m, Perf. Criteria A
  • Fast transient
    • EN61000-4-4: ±2kV
  • Surge: EN61000-4-5
    • EN55024: ±2kV
    • EN50155: ±2kV
  • Conducted immunity, Perf. Criteria A
    • EN61000-4-6: 10Vr.m.s
Input Voltage
Range (Vdc)
Output Voltage
(Vdc)
Output Current
Full Load (A)
Input Current
No load (mA)
Efficiency
(%)
Model NumberMax. Capacitor
Load µF
9 - 36 3.3 40 20 88 HWB150-24S3P3 121000
5 28 25 90 HWB150-24S05 56000
8.5 - 36 12 12 25 90 HWB150-24S12 10000
15 9.5 25 91 HWB150-24S15 6300
24 6 25 90 HWB150-24S24 2500
28 5 25 90 HWB150-24S28 1700
48 3 35 90 HWB150-24S48 620
16.5 - 75 3.3 40 15 89 HWB150-48S3P3 121000
5 30 15 91 HWB150-48S05 60000
12 13 20 91 HWB150-48S12 10800
15 10 20 91 HWB150-48S15 6600
24 6.5 20 91 HWB150-48S24 2700
28 5.5 20- 91 HWB150-48S28 1900
48 3.2 25 91 HWB150-48S48 660
43 - 160 3.3 43 10 88 HWB150-110S3P3 130000
5 32 10 90 HWB150-110S05 64000
12 15 10 90 HWB150-110S12 12500
15 12 10 90 HWB150-110S15 8000
24 7.5 10 90 HWB150-110S24 3100
28 6.5 10 90 HWB150-110S28 2300
48 3.8 10 90 HWB150-110S48 790