NCP1562A - High Performance Active Clamp/Reset PWM Controller

Product Overview

ON Semiconductor

Part number	NCP1562A
Manufacturer	ON Semiconductor
File Size	477.61 KB
Description	High Performance Active Clamp/Reset PWM Controller
Datasheet	NCP1562A Datasheet
Additional preview pages of the NCP1562A datasheet.

1 Vin Connect the input line voltage directly to this pin to enable the internal startup regulator.

A constant current source supplies current from this pin to the capacitor connected to the VAUX pin, eliminating the need for a startup resistor.

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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Published: Jan 16, 2007 |