CS3843B - Off-Line Current Mode PWM Controller

Product Overview

Cherry Semiconductor Corporation

Part number	CS3843B
Manufacturer	Cherry Semiconductor Corporation
File Size	154.65 KB
Description	Off-Line Current Mode PWM Controller
Datasheet	CS3843B Datasheet
Additional preview pages of the CS3843B datasheet.

The CS384XB provides all the necessary

to implement off-line fixed frequency current-mode control with a minimum number of external components. The family has been optimized for very low start up current (300µA, typ). The CS384XB family incorporates a precision temperature-controlled oscillator with an internally trimmed discharge current to minimize variations in frequency. A precision duty-cycle clamp eliminates the need for an external oscillator when a 50% duty-cycle is used. Duty-cycles of almost 100% are possible. On board logi.

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Published: Mar 23, 2005 |