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
- Negative logic (Standard)
- 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
- With a 1μF/25V X7R MLCC and 22μF/25V POS-CAP
- 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 Number | Max. 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 |