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AMC3845B

Part Number	AMC3845B
Manufacturer	ADDtek
Description	(AMC3842B - AMC3845B) CURRENT MODE PWM CONTROLLER
Published	Jun 25, 2008
Detailed Description	AMC3842B/43B/44B/45B www.addmtek.com DESCRIPTION The AMC3842B/43B/44B/45B are fixed frequency current-mode PWM controlle...
Datasheet	AMC3845B PDF File

Overview

AMC3842B/43B/44B/45B www.
addmtek.
com DESCRIPTION The AMC3842B/43B/44B/45B are fixed frequency current-mode PWM controllers specially designed for OFF-Line switching power supply and DC-to-DC converters with a minimum number of external components.
These www.
DataSheet4U.
com devices feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem pole output which is suitable for driving MOSFETs.
The under voltage lock-out (U.
V.
L.
O.
) is designed to operated with 200µA start-up current in typical, allowing an efficient bootstrap supply voltage design.
The U.
V.
L.
O.
thresholds for the AM...

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