eDHHB300-C9CN eDHHB300 Series 300 Watts Half Brick Type 2:1 High Input Voltage Isolated DC-DC Converters
Series: eDHHB300
Application: IT & Industrial
Form Factor: Half Brick
Type: DC-DC
Over Temperature Protection
3000Vac I/O Isolation / Regulated Output
Fixed 300KHz Switching Frequency
Over Voltage/Current Protection
Input Under Voltage Protection
Low No Load Power Consumption
Special Notes

1. All Specifications Typical at Nominal Line, Full Load, and 25℃ Unless Otherwise Noted.
2. Measured at Nominal Input Voltage 300 VDC.
3. An External Input Capacitor 150uF for All Models are Recommended to Reduce Input
Ripple Voltage.
4. Output Ripple & Noise Measured with 10μF Tantalum & 1μF Ceramic Capacitor Across
Output(5V: 47μF Polymer Tantalum & 1μF Ceramic Capacitor Across Output ; 10μF
Aluminum & 1μF Ceramic Capacitor Across Output ; 10μF & 1μF Ceramic Capacitor
Across Output)
5. Remote ON/OFF Logic Compatibility.......Open collector Ref. To -V Pin

Suffix = Blank, Positive Remote Logic.

Module ON.................. >3.5V to75V or Open Circuit

Module OFF................. 0V to < 1.2V


Suffix = N, Negative Remote Logic.

Module ON................. 0V to < 1.2V

Module OFF................ >3.5V~75V or Open Circuit

Voltage: 180-425 VDC
Current: No Load Input Current: 10mA
O/P Voltage: 28V
O/P Current: 10.7A
Watts: 300W
Ripple & Noise: 150mV RMS, 280mVpK-pK max.
Load Regulation: ± 0.2% max.
Efficiency: 90%
Operating Temperature: -40℃ To +100℃
Storage Temperature: -55℃ To +105℃
Dimensions: 2.28" x 2.40" x 0.5"