Datasheet > AP7179D

AP7179D

更新时间： 2024-11-19 14:54:07

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
20页	2710K
描述
3A, Ultra Low Noise, High Accuracy, LDO Voltage Regulator

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AP7179D 数据手册

AP7179D

3A, ULTRA LOW NOISE, HIGH ACCURACY, LDO VOLTAGE REGULATOR

Description

Pin Assignments

The DIODES™ AP7179D is a high output current (3A), low-dropout

regulator capable of sourcing 3A with 180mV maximum dropout, low-

noise (4.4μV_RMS), high output voltage accuracy (1%). The device

output voltage is pin-programmable from 0.8V to 3.95V using a PCB

layout and adjustable from 0.8V to 5.0V using an external resistor

divider. The device supports a lower input voltage of 1.1V, which

makes it flexible to use and requires a lower component count.

(Top View)

OUT

SNS

The device’s low noise (4.4μV_RMS), high PSRR, and high output

current capability makes it ideal to power noise-sensitive devices

such as high-performance serializers and deserializers (SerDes),

analog-to-digital converters (ADCs), digital-to-analog converters

(DACs), and RF components.

Thermal Pad

NR/SS

50mV

11 1.6V

High output accuracy, remote sensing, excellent transient

performance, and soft-start capabilities also make the AP7179D ideal

to power digital loads such as field-programmable gate arrays

(FPGAs), digital signal processors (DSPs), and application-specific

integrated circuits (ASICs).

W-QFN3535-20 (Type A1)

The enable control and a power-good indicator provide easy and

accessible power-sequence control. Output noise immunity is

enhanced by adding a bypass capacitor on NR/SS pin.

The AP7179D is packaged in the W-QFN3535-20 (Type A1) package.

Features

Applications

Low V_INand Wide V_INRange: 1.1V to 6.5V

Low Dropout Voltage: 180mV at 3A

V_OUTAccuracy ±1% Over Line, Load, and Temperature

Pin-Strapped Output Voltage



Portable electronic devices

Digital loads: SerDes, FPGAs, and DSPs

Analog circuits applications: VCO, ADC, DAC, and LVDS

Test and measurement equipment

Output Voltage Range: 0.8V to 3.95V

Adjustable Output Voltage

Output Voltage Range: 0.8V to 5.5V

Ultra-High PSRR: 40dB at 500kHz

Output Voltage Noise:

4.4μVRMS at 0.8V Output

7.7μVRMS at 5.0V Output

Adjustable Soft-Start Output

Open-Drain Power-Good Indicator Function

Stable with a 47μF or Larger Ceramic Output Capacitor

Excellent Load Transient Response

Enable Control

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

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

For automotive applications requiring specific change

control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP

capable, and manufactured in IATF 16949 certified facilities),

please contact us or your local Diodes representative.

https://www.diodes.com/quality/product-definitions/

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ 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 of 20

www.diodes.com

January 2023

AP7179D

Document number: DS42129 Rev. 2 - 2

12 3 4 5 6 7...20

中文翻译

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