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100 Watt

4:1 Ultra Wide Input Range

Quarter-brick for railway applications

Our 100 watt quarter-brick DC-DC converter, ideal for railway applications, features a remote control, no minimum load requirement and low standby power consumption. Equipped with a compact 2.28" x 1.45" x 0.50" quarter brick package, these models also meet UL60950-1, EN60950-1 and IEC 60950-1 safety standards.

 

INPUT

  • Voltage Range
    • 24 Vdc nominal input: 8.5 to 36 Vdc
    • 48 Vdc nominal input: 16.5 to 75 Vdc
    • 110 Vdc nominal input: 40 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 to 8.1 Vdc
    • 48 Vdc nominal input: 15.5 to 16.3 Vdc
    • 110 Vdc nominal input: 33 to 36 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.): 50 Vdc
    • 24 Vdc nominal input (1 sec.): 100 Vdc
    • 148 Vdc nominal input (1 sec.): 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: -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
  • 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

  • Efficiency: 89 to 93%
  • Isolation voltage
    • Input to output: 2250 Vdc
    • Input to baseplate: 2250 Vdc
  • Isolation resistance: 500 Vdc
  • Isolation capacitance: 1500 pF
  • Switching frequency: 270 to 330 kHz

ENVIRONMENTAL

  • Operating case temperature: -40 to 110°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
    • With 0.5" height heat sink
  • 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 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: 20 V/m, Perf. Criteria A
  • Surge
    • EN61000-4-5
      • EN55024: ±2kV, Perf. Criteria A
  • Conducted immunity
    • EN61000-4-6: 10 Vr.m.s, Perf. Criteria A
Input Voltage
Range
(Vdc)		Output Voltage
(Vdc)		Output Current
Full Load (A)		Input Current

No load (mA)		Efficiency
(%)		Model NumberMax. Capacitor
Load µF
8.5 - 36 3.3 25 50 89 QB100-24S33 75000
5 18 50 90 QB100-24S5 36000
12 7.5 50 91 QB100-24S12 6250
15 6 50 91 QB100-24S15 4000
24 3.7 50 90 QB100-24S24 1540
30 3 50 90 QB100-24S30 1000
48 1.8 50 89 QB100-24S48 380
16.5 - 75 3.3 25 25 89 QB100-48S33 75000
5 18 25 90 QB100-48S5 36000
12 7.5 25 91 QB100-48S12 6250
15 6 25 91 QB100-48S15 4000
24 3.7 25 92 QB100-48S24 1540
30 3 25 91 QB100-48S30 1000
48 1.8 25 89 QB100-48S48 380
40 - 160 3.3 25 15 89 QB100-110S3P3 70000
5 21 15 91 QB100-110S05 34000
12 9 15 90 QB100-110S12 5830
15 7 15 91 QB100-110S15 3670
24 4.5 15 93 QB100-110S24 1460
30 3.5 15 92 QB100-110S30 930
48 2.2 15 91 QB100-110S48 380