Datasheet > TPS7A7100

TPS7A7100

更新时间： 2024-11-09 11:44:23

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
29页	1078K
描述
1-A, Fast-Transient, Low-Dropout Voltage Regulator

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TPS7A7100 数据手册

TPS7A7100

www.ti.com

SBVS189C –MARCH 2012–REVISED MAY 2012

1-A, Fast-Transient, Low-Dropout Voltage Regulator

FEATURES

DESCRIPTION

234

•

Low Dropout Voltage: 140 mV at 1A

V_INRange: 1.5 V to 6.5 V

The TPS7A7100 low-dropout (LDO) voltage regulator

is designed for applications seeking very-low dropout

capability (140 mv at 1A) with an input voltage from

1.5 V to 6.5 V. The TPS7A7100 offers an innovative,

user-configurable, output-voltage setting from 0.9 V to

3.5 V, eliminating external resistors and any

associated error.

•

Configurable Fixed V_OUTRange: 0.9 V to 3.5 V

Adjustable V_OUTRange: 0.9 V to 5.0 V

•

Very Good Load and Line Transient Response

Stable with Ceramic Output Capacitor

1.5% Accuracy over Line, Load, and

Temperature

The TPS7A7100 has very fast load-transient

response, is stable with ceramic output capacitors,

and supports a better than 2% accuracy over line,

load, and temperature. A soft-start pin allows for an

application to reduce inrush into the load.

Additionally, an open-drain, power-good signal allows

for sequencing power rails.

•

Programmable Softstart

Power Good (PG) Output

3-mm × 3-mm QFN-16 and 5-mm × 5-mm QFN-

20 Packages

The TPS7A7100 is available in a 3-mm × 3-mm,

16-pin QFN and a 5-mm × 5-mm, 20-pin QFN

packages.

APPLICATIONS

•

Wireless Infrastructure: SerDes, FPGA, DSP™

RF Components: VCO, ADC, DAC, LVDS

Set-Top Boxes: Amplifier, ADC, DAC, FPGA,

DSP

Wireless LAN, Bluetooth^®

Output Current Slew Rate: 1A/µs

5.5V to 5.0V

•

3.3V to 3.0V

3.0V to 2.5V

2.5V to 1.8V

1.8V to 1.5V

PCs and Printers

Output Current

Audio and Visual

1.5 V

C_IN

1.5V to 1.2V

1.5V to 1.0V

TPS7A7100

1.2 V = 0.5 V_ref

Time (100µs/div)

G310

OUT

SNS

+ 100 mV

+ 200 mV

C_SS

C_OUT

Load Transient Response with

Seven Different Results:

1.5 V_INto 1.0 V_OUT, 1.5 V_INto 1.2 V_OUT

1.8 V_INto 1.5 V_OUT, 2.5 V_INto 1.8 V_OUT

3.0 V_INto 2.5 V_OUT, 3.3 V_INto 3.0 V_OUT

and 5.5 V_INto 5.0 V_OUT

+ 400 mV

Optional

GND

50mV

100mV

1.6V

200mV 400mV 800mV

Typical Application

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

DSP is a trademark of Texas Instruments.

Bluetooth is a registered trademark of Bluetooth SIG, Inc.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...29

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TPS7A7100RGWR	TI	获取价格	1-A, Fast-Transient, Low-Dropout Voltage Regulator
TPS7A7100RGWT	TI	获取价格	1-A, Fast-Transient, Low-Dropout Voltage Regulator
TPS7A7100YYYZ	TI	获取价格	1-A, Fast-Transient, Low-Dropout Voltage Regulator
TPS7A7200	TI	获取价格	2-A, Fast-Transient, Low-Dropout Voltage Regulator
TPS7A7200_15	TI	获取价格	2-A, Fast-Transient, Low-Dropout Voltage Regulator
TPS7A7200-EP	TI	获取价格	2-A, FAST-TRANSIENT, LOW-DROPOUT VOLTAGE REGULATOR
TPS7A7200-EP_15	TI	获取价格	2-A, FAST-TRANSIENT, LOW-DROPOUT VOLTAGE REGULATOR
TPS7A7200QRGWREP	TI	获取价格	2-A, FAST-TRANSIENT, LOW-DROPOUT VOLTAGE REGULATOR

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