Diodes AP7167 Uživatelský manuál stáhnout pdf

AP7167

1.2A LOW DROPOUT REGULATOR WITH POK

AP7167

Document number: DS31252 Rev. 7 - 2

1 of 14

www.diodes.com

September 2010

Description

The AP7167 is a 1.2A, adjustable output voltage, ultra-low

dropout linear regulator. The device includes pass element,

error amplifier, band-gap reference, current limit and thermal

shutdown circuitry. The device is turned on when EN pin is

set to logic high level. A Power-OK (POK) output is available

for power sequence control.

The characteristics of the low dropout voltage and low

quiescent current make it suitable for low to medium power

applications, for example, laptop computers, audio and video

applications, and battery powered devices. The typical

quiescent current is approximately 125µA.

Built-in current-limit and thermal-shutdown functions prevent

IC from damage in fault conditions.

The AP7167 are available in DFN3030-10 and SOP-8L

packages.

Features

• Wide input voltage range: 2.2V – 5.5V

• 230mV very low dropout at 500mA load

• 500mV very low dropout at 1A load

• 3% total accuracy over line, load and temperature

• Very low quiescent current (IQ): 125µA typical

• Adjustable output voltage range: 0.8V to 5.0V

• Very fast transient response

• High PSRR

• Accurate voltage regulation

• Current limiting and short circuit protection

• Thermal shutdown protection

• Stable with any type output capacitor ≥ 4.7µF

• Ambient temperature range -40ºC to 85 ºC

• DFN3030-10 and SOP-8L-EP: Available in “Green”

Molding Compound (No Br, Sb)

• Lead Free Finish/ RoHS Compliant (Note 1)

Pin Assignments

( Top View )

GND

OUT

POK

OUT

DFN3030-10

POK

OUT

GND

OUT

( Top View )

SOP-8L-EP

Applications

• Servers and laptops

• Smart phone and PDA

• MP3/MP4

• Bluetooth headset

• Low and medium power applications

• FPGA and DSP core or I/O power

Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html.

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Shrnutí obsahu

Strany 1 - DFN3030-10

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 1 of 14 www.diodes.com September 2010 © Diodes Incorporated

Strany 2 - DFN3030-10 SOP-8L-EP

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Strany 3

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Strany 4 - Electrical Characteristics

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 12 of 14 www.diodes.com September 2010 © Diodes Incorporate

Strany 5 - (Continued)

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Strany 6

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Strany 7

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Strany 8 - Current Limit (A)

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 3 of 14 www.diodes.com September 2010 © Diodes Incorporated

Strany 9 - 9 of 14

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Strany 10 - September 2010

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 5 of 14 www.diodes.com September 2010 © Diodes Incorporated

Strany 11

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 6 of 14 www.diodes.com September 2010 © Diodes Incorporated

Strany 12 - Top View

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 7 of 14 www.diodes.com September 2010 © Diodes Incorporated

Strany 13 - (Note 9)

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Strany 14

AP71671.2A LOW DROPOUT REGULATOR WITH POK AP7167 Document number: DS31252 Rev. 7 - 2 9 of 14 www.diodes.com September 2010 © Diodes Incorporated

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