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NCP1252 Datasheet - ON Semiconductor

PWM Controller

NCP1252 Features

* Peak Current Mode Control

* Adjustable Switching Frequency up to 500 kHz

* Jittering Frequency 5% of the Switching Frequency

* Latched Primary Over Current Protection with 10 ms Fixed Delay

* Delay Extended to 150 ms in E Version

* Delayed Operation Upon Start

* up v

NCP1252 General Description

This pin directly connects to an optocoupler collector. This pin monitors the input voltage image to offer a Brown *out protection. Monitors the primary current and allows the selection of the ramp compensation amplitude. A resistor connected to ground fixes the switching frequency. The contr.

NCP1252 Datasheet (385.66 KB)

Preview of NCP1252 PDF

Datasheet Details

Part number:

NCP1252

Manufacturer:

ON Semiconductor ↗

File Size:

385.66 KB

Description:

Pwm controller.
Current Mode PWM Controller for Forward and Flyback Applications NCP1252 The NCP1252 controller offers everything needed to build cost effect.

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NCP1252 PWM Controller ON Semiconductor

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