150 Watt
2:1 Ultra Wide Input Range
DC-DC converters in Compact 2.28” × 1.45” × 0.50” Quarter Brick Package
Ideal for industrial applications, our 150 watt quarter brick DC-DC converter features high efficiency up to 92%, 2250 Vdc input to output basic insulation and no minimum load requirement. This series is RoHS II and Reach-compliant and meets UL60950-1, EN60950-1 and IEC60950-1 safety standards.

INPUT
- Voltage Range
- 12 Vdc nominal input: 8.5 to 22 Vdc
- 24 Vdc nominal input: 16.5 to 36 Vdc
- 48 Vdc nominal input: 33 to 75 Vdc
- Start up voltage
- 12 Vdc nominal input: 9 Vdc
- 24 Vdc nominal input: 18 Vdc
- 48 Vdc nominal input: 36 Vdc
- Shutdown voltage
- 12 Vdc nominal input: 7.3 to 8.1 Vdc
- 24 Vdc nominal input: 15.5 to 16.3 Vdc
- 48 Vdc nominal input: 31.6 to 32.5 Vdc
- Start up time
- Constant resistive load, power up: 75 to 100 mS
- Constant resistive load, remote ON/OFF: 75 to 100 mS
- Input surge voltage
- 12 Vdc nominal input (1 sec.): 30 Vdc
- 24 Vdc nominal input (1 sec.): 50 Vdc
- 48 Vdc nominal input (1 sec.): 100 Vdc
- Input filter: pi type
- Remote ON/OFF (Referenced to -Vin pin)
- Negative logic, DC-DC ON: Short or 0 - 1.2 Vdc
- (Standard), DC-DC OFF: Open or 3 - 12 Vdc
- Positive logic, DC-DC ON: Open or 3 - 12 Vdc
- (Option), DC-DC OFF: Short or 0 - 1.2 Vdc
- Input current of control pin: -0.5 to 1 mA
- Remote off input current: 3 mA
OUTPUT
- Voltage accuracy: ±1
- Line regulation
- Low line to high line at full load: ±0.1%
- Load regulation
- No load to full load, 3.3 and 5 Vout: ±0.2%
- No load to full load, others: ±0.1%
- Voltage and adjustability: -20 to 10%
- Remote sense: 10%
- Ripple and noise (measured by 20 mHZ bandwidth)
- With a 22µF/25V X7R MLCC
- 3.3 and 5 Vout: 75 mVp-p
- 12 and 15 Vout: 100 mVp-p
- With a 4.7µF/50V X7R MLCC
- 24 and 30 Vout: 200 mVp-p
- With a 2.2µF/100V X7R MLCC
- 48 Vout: 300 mVp-p
- With a 22µF/25V X7R MLCC
- Temperature coefficient: ±0.02%/°C
- Transient response recovery time
- 25% load step change: 250µS
- Over voltage protection: 115 to 130%
- Over load protection: 110 to 140%
- Short circuit protection: continuous automatic recovery
GENERAL
- Isolation voltage
- Input to output: 2250 Vdc
- Input to baseplate: 2250 Vdc
- Isolation resistance: 500 Vdc, 1 Min.
- Isolation capacitance: 1500 pF
- Switching frequency: 270 to 330 kHz
ENVIRONMENTAL
- Operating case temperature: -40 to 105°C
- Over temperature protection: 110°C
- Storage temperature range: -55 to 125°C
- Thermal impedance
- Without heat-sink: 9°C/W
- Mount on 2U iron baseplate: 2.8°C/W
- With 0.24" height heat sink: 7.1
- With 0.5" height heat sink: 5.5
- Thermal shock: MIL-STD-810F
- Vibration: MIL-STD-810F
- Relative humidity: 5 to 95%
PHYSICAL
- Safety standards: UL60950-1, EN60950-1 and IEC60950-1
- Case material: Aluminum baseplate with plastic case
- Potting material: Silicone (UL94 V-0)
- Weight 64 g. (2.26 oz.)
- MTBF: 3.873 x 105 hours, MIL-HDBK-217F, full load
EMC CHARACTERISTICS
- EMI
- EN55022
- Class A, Class B
- ESD
- EN61000-4-2
- Air: ±8kV
- Contact: ±6kV
- Radiated immunity
- EN61000-4-3
- 20 V/m
- Perf. Criteria A
- Fast transient
- EN61000-4-4
- ±2kV
- Perf. Criteria A
- Surge
- EN61000-4-5
- EN55024
- ±2kV
- Perf. Criteria A
- EN61000-4-5
- Conducted immunity
- EN61000-4-6
- 10 Vr.m.s
- Perf. Criteria A
- Power frequency magnetive field
- EN61000-4-8
- 100A/m continuous; 1000A/m 1 second
- Perf. Criteria A
Input Voltage Range (Vdc) | Output Voltage (Vdc) | Output Current Full Load (A) | Input Current No load (mA) | Efficiency (%) | Model Number | Max. Capacitor Load µF |
---|---|---|---|---|---|---|
8.5 - 22 | 3.3 | 30 | 50 | 89 | QA150-12S33 | 91000 |
5 | 24 | 50 | 90 | QA150-12S5 | 48000 | |
12 | 10 | 50 | 91 | QA150-12S12 | 8300 | |
15 | 8 | 50 | 91 | QA150-12S15 | 5300 | |
24 | 5 | 50 | 90 | QA150-12S24 | 2100 | |
30 | 4 | 50 | 90 | QA150-12S30 | 1300 | |
48 | 2.5 | 50 | 89 | QA150-12S48 | 520 | |
16.5 - 36 | 3.3 | 30 | 25 | 89 | QA150-24S33 | 91000 |
5 | 24 | 25 | 90 | QA150-24S5 | 48000 | |
12 | 10 | 25 | 91 | QA150-24S12 | 8300 | |
15 | 8 | 25 | 91 | QA150-24S15 | 5300 | |
24 | 5 | 25 | 91 | QA150-24S24 | 2100 | |
30 | 4 | 25 | 91 | QA150-24S30 | 1300 | |
48 | 2.5 | 25 | 89 | QA150-24S48 | 520 | |
33 - 75 | 3.3 | 30 | 15 | 89 | QA150-48S33 | 91000 |
5 | 25 | 15 | 91 | QA150-48S5 | 50000 | |
12 | 12 | 15 | 90 | QA150-48S12 | 10000 | |
15 | 10 | 15 | 90 | QA150-48S15 | 6670 | |
24 | 6 | 15 | 92 | QA150-48S24 | 2500 | |
30 | 5 | 15 | 91 | QA150-48S30 | 1670 | |
48 | 3 | 15 | 92 | QA150-48S48 | 630 |