Datasheet > XR71211

XR71211

更新时间： 2024-02-18 16:06:54

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
12页	1563K
描述
1.5A Ultra Low Dropout Voltage Regulator

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技术参数
数据手册

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XR71211 技术参数

生命周期：	Obsolete	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.79	调节器类型：	ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Base Number Matches：	1

XR71211 数据手册

XR71211

1.5A Ultra Low Dropout Voltage Regulator

FEATURES

General Description

 1.5A Output Current

 1.4V to 2.625V Single Input Voltage

 Adjustable Output Voltage ≥0.6V

The XR71211 is an ultra low dropout voltage regulator capable of deliver-

ing an output of 1.5Amps. It differentiates from its competitors by being

able to operate from a single supply rail of 1.4V to 2.625V without the need

for a noise generating charge pump or secondary bias rail.



0.5% Output Voltage Accuracy

 Ultra Low Dropout Voltage

 250mV Max over temp @ 1.5A

 Power Good Flag

 Enable and Soft Start

 Current Limit and Thermal Protection

 Reverse Bias Protection

This LDO provides a guaranteed dropout voltage of 250mV at maximum

junction temperature and is ideal for 1.5V to 1.2V and 1.8V to 1.5V conver-

sions. The output voltage can be set as low as 0.6V with +/-0.5% accu-

racy making the XR71211 perfectly suited for powering low voltage

devices such as FPGAs, DSPs, ASICs and other SOCs.

 RoHS compliant “Green”/Halogen Free

 10-pin 3mm x 3mm DFN

An enable function, soft start and Power Good flag complete the feature

set. Built-in current limit, reverse bias and thermal protection ensures safe

operation under abnormal operating conditions.

APPLICATIONS

The XR71211 is offered in RoHS compliant, “green”/halogen free 10-pin

3x3mm DFN package.

 Point of Load Conversion

 Microprocessor, DSP and FPGA Supplies

 Networking and Telecom Equipment

 Switching Supplies Post Regulation

Ordering Information – back page

Typical Application

VOUT, 50mV/Div, AC coupled

24mV overshoot

VIN 1.4V - 2.625V

VOUT>0.6V

COUT

VIN

VOUT

-20mV undershoot

0.5A-1.5A

Enable

XR71211

DFN-10

ADJ

CIN

PGOOD

GND

IOUT, 1A/Div

40µs/Div

Transient Response

1 / 12

exar.com/XR71211

Rev 1B

12 3 4 5 6 7...12

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