1250B65 - Current-Mode PWM Controller

Product Overview

ON Semiconductor

Datasheet Details

Part number	1250B65
Manufacturer	ON Semiconductor
File Size	286.11 KB
Description	Current-Mode PWM Controller
Datasheet	1250B65 Datasheet
Additional preview pages of the 1250B65 datasheet.

Product details

Description

Pin N5 PDIP 8 TSSOP 6 11 62 Pin Name GND FB 8 3 OPP/OVP 5 4 CS 4 5 VCC 2 6 DRV Function Feedback pin Adjust the Over Power Protection Latches off the part Current sense + ramp compensation Supplies the controller Driver output Pin Description The controller ground.Hooking an optocoupler collector to this pin will allow regulation.A resistive divider from the auxiliary winding to this pin sets the OPP compensation level.When brought above 3 V, the part is fully l

Features

Fixed.
Frequency 65 or 100 kHz Current.
Mode Control Operation.
Internal and Adjustable Over Power Protection (OPP) Circuit.
Frequency Foldback Down to 26 kHz and Skip.
Cycle in Light Load Conditions.
Internal Ramp Compensation.
Internal Fixed 4 ms Soft.
Start.
100 ms Timer.
Based Auto.
Recovery Short.
Circuit Protection.
Frequency Jittering in Normal and Frequency Foldback Modes.

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Published: Jul 31, 2016 |