AQ105DY-M5-12-TRL datasheet(1/5 Pages) ACUTECH

Part #	AQ105DY-M5-12-TRL

Description	Secondary V/I amplifier SOT23-5 and SC70-5 Package

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Manufacturer	ACUTECH [Acutechnology Semiconductor]

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AQ105

Secondary V/I amplifier

SOT23-5 and SC70-5 Package

Product Specification

Revision 1.3

July 17, 2006

Applications

• Offline Battery Chargers

• Constant V/ Constant I supplies

General Description

The AQ105 is a low cost secondary

control circuit for low power applications

needing constant voltage and constant

current control. It implements a simple

single-loop control by modifying the

internal reference level as a function of

current above the current limit threshold.

The current loop reduces the reference

by 40 mV per mV change at the current

sense input. The error amp provides

high gain and bandwidth under low

voltage operation.

Features

• 1.25V reference

• 200mV current limit threshold

• Error amp output swings near ground for

low voltage operation

• High PSRR and line regulation

• Low current consumption

• Offered in ultra small SC70-5 package

• Open collector output

• Low voltage operation 2.2V

• 10mA current sink

• 50 ppm/ºC typical temperature deviation

• RoHS compliant available

Block Diagram

Pin Configuration

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AQ105DY-M5-12-TRL Datasheet(PDF) 1 Page - Acutechnology Semiconductor

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