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AAT1109

Part Number	AAT1109
Manufacturer	Advanced Analog Technology
Description	ONE-CHANNEL STEP-UP PWM CONTROLLER
Published	Aug 28, 2008
Detailed Description	Advanced Analog Technology, Inc. AAT1109 Details are subject to change without notice. ONE-CHANNEL STEP-UP PWM CONTROLL...
Datasheet	AAT1109 PDF File

Overview

Advanced Analog Technology, Inc.
AAT1109 Details are subject to change without notice.
ONE-CHANNEL STEP-UP PWM CONTROLLER FEATURES www.
DataSheet4U.
com z Under-Voltage GENERAL DESCRIPTION Lockout (UVLO) Protection The AAT1109 is a one-channel step-up PWM controller incorporating a soft-start and a short circuit protection (SCP) function.
This device consists of an on-chip voltage reference, error amplifier, pulse width modulation controller, under-voltage lockout protection, soft-start, and short circuit protection circuits.
Switching frequency up to 1MHz is set by an external resistor and capacitor.
Soft-start time can be implemented by the SCP capacitor.
Additionally, a chip-enable featur...

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