SG1843 - CURRENT MODE PWM CONTROLLER

Product Overview

Linfinity

Part number	SG1843
Manufacturer	Linfinity
File Size	250.45 KB
Description	CURRENT MODE PWM CONTROLLER
Datasheet	SG1843 Datasheet
Note	This datasheet PDF includes multiple part numbers: SG1843, SG1842. Please refer to the document for exact specifications by model.
Additional preview pages of the SG1843 datasheet.

The SG1842/43 family of control IC's provides all the necessary

to implement off-line fixed frequency, current-mode switching power supplies with a minimum number of external components. Current-mode architecture demonstrates improved line regulation, improved load regulation, pulse-by-pulse current limiting and inherent protection of the power supply output switch. The bandgap reference is trimmed to ±1% over temperature. Oscillator discharge current is trimmed to less than ±10%. The SG1842/43 has undervoltage lockout, current limiting circuitry and start-u.

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Published: Jun 18, 2014 |