Diodes AP4306 Uživatelský manuál stáhnout pdf

AP4306

Document number: DS36792 Rev. 2 - 2

1 of 11

www.diodes.com

January 2014

AP4306

A Product Line of

Diodes Incorporated

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER

Description

The AP4306 is a highly integrated solution for a constant

voltage/constant current mode SMPS application.

The AP4306 contains one 1.21V voltage reference, one low voltage

reference used in current sensing circuit and two operational

amplifiers. The 1.21V voltage reference, combined with one

operational amplifier, makes of an ideal voltage controller for use in

adapters and battery chargers. The low voltage reference, combined

with another operational amplifier, makes of an ideal current limiter for

output low side current sensing.

The AP4306 is fully compatible with AP4305 in functionality and

electrical characteristics except its lower reference voltage for current

control loop, thus higher power efficiency in SMPS applications such

as low power charger can be realized with AP4306 compared to

AP4305.

The AP4306 is available in SOT26 package.

Features

 Constant Voltage and Constant Current Control

 Precision Internal Voltage Reference

 Low External Component Count

 Easy Compensation

 Low Supply Current: 0.5mA

 Current Control Loop Reference

A Version: 70mV

B Version: 100mV

C Version: 150mV

 Operating Temperature Range: -40 to +105

 Operating Supply Voltage: 2.5V to 18V

 Totally Lead-free & Fully RoHS Compliant (Note1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

Pin Assignments

(Top View)

3 4

Pin 1 Mark

SENSE

GND

CTRL

OUT

SOT26 (K Package)

Applications

 Adapters

 Battery Chargers

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 2 3 4 5 6 ... 10 11

Shrnutí obsahu

Strany 1 - SOT26 (K Package)

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Strany 2 - SSLSSLREF

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Strany 3 - REFSENSE

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Strany 5 - Thermal Impedance

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Strany 6 - Ambient Temperature (

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Strany 7

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Strany 8 - Marking Information

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Strany 9 - 1.700(0.067)

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Strany 10

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Strany 11 - Diodes Incorporated

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