SC1103 - Asynchronous Voltage Mode PWM Controller

Product Overview

Semtech Corporation

Part number	SC1103
Manufacturer	Semtech Corporation
File Size	195.90 KB
Description	Asynchronous Voltage Mode PWM Controller
Datasheet	SC1103 Datasheet
Additional preview pages of the SC1103 datasheet.

The SC1103 is a versatile, low-cost, voltage-mode PWM controller designed for 12V input DC/DC power supply applications.

include a temperature compensated voltage reference, triangle wave oscillator, current limit comparator, frequency shift over-current protection, and an internally compensated error amplifier. Pulse by pulse current limiting is implemented by sensing the differential voltage across an external resistor, or an appropriately sized PC board trace. The SC1103 operates at a fixed frequency of 200kHz, providing an optimum compromise between efficiency, external component size, and cost. SC1103 Asynch.

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Published: Apr 8, 2005 |