Diodes AP2014/A Instrukcja Użytkownika Pobierz pdf

AP2014/A

SYNCHRONOUS PWM CONTROLLER

AP2014/A Rev. 5 1 of 14 FEBRUARY 2009

www.diodes.com © Diodes Incorporated

Lead-free

• Synchronous Controller in 8-Pin Package

• Operating with single 5V or 12V supply voltage

• Internal 200KHz Oscillator (400KHz for AP2014A)

• Soft-Start Function

• Fixed Frequency Voltage Mode

• 500mA Peak Output Drive Capability

• Protects the output when control FET is shorted

• Lead Free Package SOP-8L

• SOP-8L: Available in “Green” Molding Compound

(No Br, Sb)

• Lead Free Finish/ RoHS Compliant (Note 1)

The AP2014 controller IC is designed to provide a low cost

synchronous Buck regulator for on-board DC to DC converter

applications. With today’s ASIC products requiring supply voltages

at 1.8V and lower, when the output current is as much as 3A and

the input voltage is at either 3.3V or 5V, traditional linear regulator

simply incurs too much loss within itself. The AP2014 together with

dual N-channel MOSFETs provide a low cost solution for such

applications. This device features an internal 200KHz oscillator

(400KHz for "A" version), under-voltage lockout for both Vcc and

Vc supplies, an external programmable soft-start function as well

as output under-voltage detection that latches off the device when

an output short is detected.

Applications

• Graphic Card

• Hard Disk Drive

• DDR memory source sink Vtt application

• Low cost on-board DC to DC such as 5V to 3.3V, 2.5V or 1.8V

Ordering Information

AP 2014/A S X - 13

Package PackingLead Free

13 : Tape & Reel

S : SOP-8L

L : Lead Free

G : Green

Device

Package

Code

Packaging

(Note 2)

13” Tape and Reel

Quantity Part Number Suffix

AP2014SL-13 S SOP-8L 2500/Tape & Reel -13

AP2014SG-13 S SOP-8L 2500/Tape & Reel -13

AP2014ASL-13 S SOP-8L 2500/Tape & Reel -13

AP2014ASG-13 S SOP-8L 2500/Tape & Reel -13

Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.

2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at

http://www.diodes.com/datasheets/ap02001.pdf

Features

General Description

1 2 3 4 5 6 ... 13 14

Podsumowanie treści

Strona 1 - AP2014/A

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 1 of 14 FEBRUARY 2009

Strona 2

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 10 of 14 FEBRUARY 2009

Strona 3

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Strona 4

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Strona 5

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 13 of 14 FEBRUARY 2009

Strona 6

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 14 of 14 FEBRUARY 2009

Strona 7

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Strona 8

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 3 of 14 FEBRUARY 2009

Strona 9 - Output Voltage (V)

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 4 of 14 FEBRUARY 2009

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 5 of 14 FEBRUARY 2009

Strona 11

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Strona 12

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Strona 13

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Strona 14

AP2014/ASYNCHRONOUS PWM CONTROLLER AP2014/A Rev. 5 9 of 14 FEBRUARY 2009

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