NCP1565 controller equivalent, highly integrated 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 .
* High Efficiency Isolated dc−dc Converters
* Server Power Supplies
* 24 V and 48 V Telecom systems
* 42.
Pin Number 1
Name RAMP
Function
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 compe.
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