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AAT1109 - ONE-CHANNEL STEP-UP PWM CONTROLLER

Datasheet Summary

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.

Features

  • www. DataSheet4U. com z Under-Voltage.

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Datasheet Details

Part number AAT1109
Manufacturer Advanced Analog Technology
File Size 630.68 KB
Description ONE-CHANNEL STEP-UP PWM CONTROLLER
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Full PDF Text Transcription

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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 feature is also provided to power down and reduce the current supply to 10µA .
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