NCP1565 Datasheet (ON Semiconductor) - Highly Integrated Dual-Mode Active Clamp PWM Controller

NCP1565, Highly Integrated Dual-Mode Active Clamp PWM Controller

Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Name RAMP SS DLMT DT RT AGND COMP RES NC CS REF OTP VCC OUTM PGND OUTA 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

DATA SHEET www.onsemi.com Highly Integrated Dual-Mode Active Clamp PWM Controller NCP1565 The NCP1565 is a highly integrated dual-mode active-clamp PWM controller targeting next-generation high-density, high-performance and small to medium power level isolated dc-dc converters for use in telecom and datacom industries.

It can be configured in either voltage mode control with input voltage feed-forward or peak current mode control.

Peak current mode control may be implemented with input voltage

NCP1565 Features

* Support Voltage Mode Control and Peak Current Mode Control

* Line Feedforward

* Adaptive Overlap time Control for Improved Efficiency

* Integrated 120 V High Voltage Startup Circuit

* Programmable Line Undervoltage Lockout (UVLO) with Adjustable Hysteresis