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AAT1109A Datasheet One-channel Boost Switching Regulator

Manufacturer: Advanced Analogic Technologies

Overview: Advanced Analog Technology, Inc. AAT1109A Preliminary and Provisional ONE-CHANNEL BOOST SWITCHING.

General Description

The AAT1109A is a one-channel switching regulator control IC incorporating a soft start function and a short circuit protection function.

Each device consists of an on-chip voltage reference, error amplifier, pulse width modulation controller, under-voltage protection, soft start and short circuit protection circuits.

Switching frequencies up to 1MHz are set by an external resistor and capacitor.

Key Features

  • z z z z z z z z Under-voltage lockout protection Totem pole output Output short circuit protection Incorporates soft start function Wide operating frequency¡G 10kHz to 1MHz Shut down control Low dissipation current : Typical 1.6mA in operation Sop-8 & Tssop-8 package available General.

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