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100~125W 1/4 Brick DC DC Converter Module : CQB125 Series
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1/4 Brick DC-DC Converter

100~125W 1/4 Brick DC/DC Converter : CQB125

CQB125 - 100~125 Watts DC-DC Converter with Isolation

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Description

DC-DC Converter- Isolation - Module

100~125W Isolated DC/DC Converter Modules meets UL60950-1 and efficiency to 92%.
Features
  • 100~125W Isolated Output
  • Efficiency to 92%
  • Quarter Brick Package
  • 1500VDC Isolation
  • Regulated Outputs
  • Remote ON/OFF control
  • Safety Meets UL60950-1
Specification
Input Voltage Range 48V Range: 36-75V
Under voltage Lockout power up .............35V typ.
power down ........33V typ.
Positive Logic Remote On/Off⁴⁵  
Input Filter PI Type
Voltage Accuracy ± 1% max.
Transient Response 25% step load change ...... < 500 µs
External Trim Adj. Range⁶ ± 10%
R&N (20MHz BW) ...... 100 mV pk-pk max.
........5V / 12Vout ...... 120 mV pk-pk max.
Temperature Coefficient ± 0.03% / °C max
Short Circuit Protection Continuous / Hiccup
Line Regulation¹ ± 0.2% max
Load Regulation² ± 0.5% max
O.V.P. Trip Range, % Vo nom 115~140%
Current Limit 110% ~ 150% Nominal Output
Isolation Voltage 1500VDC min.
Isolation Resistance 10⁷Ω min
Switching Frequency 250 KHz Typ.
........5V / 12Vout ...... 300 KHz Typ.
Over temperature protection -120°C typ.
Operating Ambient Temperature Range -40°C to +85°C
Storage Temperature Range -40°C to +125°C
Dimensions L2.30xW1.45xH0.42 inches (58.4x36.8x10.6mm)
Weight 40g

Model
Model No. I/P Vol. O/P Vol. O/P Current O/P Watts (max.)
CQB125-48S2V5 36-~75VDC 2.50 VDC 40A 100.0W
CQB125-48S3V3 36-~75VDC 3.30 VDC 35A 115.5W
CQB125-48S05 36-~75VDC 5.00 VDC 25A 125.0W
CQB125-48S12 36-~75VDC 12.0 VDC 10A 120.0W

Ordering Information:

  1. Measued from High line to Low line
  2. Measured from Full load to Zero load
  3. The Output ripple and noise is measured with 10uF tantalum and 1µF Ceramic capacitor across output.
  4. Logic compatibility ... Open Collector ref, to - Input
    Module ON ... Open Circuit
    Module OFF ... < 1.2VDC
  5. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF
    Module ON.............. <1.2VDC
    Module OFF............. Open Circuit
  6. Trim-up....................Connect a Resistor Between the Trim Pin and +Sense Trim-Down...............Connect a Resistor Between the Trim Pin and -Sense
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