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AMC3843B

ETC
Part Number AMC3843B
Manufacturer ETC
Description (AMC3842B / AMC3843B) CURRENT MODE PWM CONTROLLER
Published Sep 21, 2005
Detailed Description AMC DOC. #: AMC3842B_C (LF) March 2004 ® AMC3842B/43B CURRENT MODE PWM CONTROLLER FEATURES ADD MICROTECH CORP. DESCRIP...
Datasheet PDF File AMC3843B PDF File

AMC3843B
AMC3843B

Overview
AMC DOC.
#: AMC3842B_C (LF) March 2004 ® AMC3842B/43B CURRENT MODE PWM CONTROLLER FEATURES ADD MICROTECH CORP.
DESCRIPTION The AMC3842B/43B 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 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 typ.
start-up current, allowing an efficient bootstrap supply voltage...


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