NCP1566 controller equivalent, dual-mode active clamp pwm controller.
* Support Voltage Mode Control and Peak Current Mode Control
* Line Feedforward
* Adaptive Overlap time Control for Improved Efficiency
* Integrated 120−V.
* High−Efficiency Isolated Dc−Dc Converters
* Server Power Supplies
NCP1566
* 24 V and 48 V Telecom Systems.
Pin Number
Name
Function
1
RAMP
PWM modulator ramp. In voltage mode an external R−C circuit from Vin sets the PWM
Ramp slope to implement feedforward. In current mode control, the resistor of the
external R−C circuit connects to REF for ramp .
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