NCP1562A Datasheet High Performance Active Clamp/Reset PWM Controller

Manufacturer: onsemi

NCP1562A high performance active clamp/reset pwm controller by onsemi - Datasheet Preview

Datasheet Details

Part number	NCP1562A
Manufacturer	onsemi
File Size	477.61 KB
Description	High Performance Active Clamp/Reset PWM Controller
Download	NCP1562A Download (PDF)

Overview

NCP1562A, NCP1562B High Performance Active Clamp/Reset PWM Controller The NCP1562x is a family of voltage mode controllers designed for dc- dc converters requiring high- efficiency and low parts count.

These controllers incorporate two in phase outputs with an overlap delay to prevent simultaneous conduction and facilitates soft switching.

The main output is designed for driving a forward converter primary MOSFET.

Key Features

of the NCP1562 are soft- stop and a cycle skip current limit with a time threshold. Soft- stop circuitry powers down the converter in a controlled manner if a severe fault is detected. The cycle skip detector enables a soft- stop sequence if a continuous overcurrent condition is present. Additional features found in the NCP1562 include line feedforward, frequency synchronization up to 1.0 MHz, cycle- by- cycle current limit with leading edge blanking (LEB), independent under and overvoltage dete.

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