TPS7A8101

更新时间： 2024-11-23 12:21:59

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
24页	990K
描述
Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator

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TPS7A8101 数据手册

TPS7A8101

www.ti.com

SBVS179A –DECEMBER 2011–REVISED APRIL 2012

Low-Noise, Wide-Bandwidth, High PSRR,

Low-Dropout 1-A Linear Regulator

FEATURES

DESCRIPTION

The TPS7A8101 low-dropout linear regulator (LDO)

offers very good performance in noise and power-

supply rejection ratio (PSRR) at the output. This LDO

•

Low-Dropout 1-A Regulator with Enable

Adjustable Output Voltage: 0.8 V to 6.0 V

Wide-Bandwidth High PSRR:

uses an advanced BiCMOS process and

PMOSFET pass device to achieve very low noise,

excellent transient response, and excellent PSRR

performance.

–

80 dB at 1 kHz

60 dB at 100 kHz

54 dB at 1 MHz

The TPS7A8101 is stable with a 4.7-μF ceramic

•

Low Noise: 23.5 μV_RMStypical (100 Hz to

100 kHz)

output capacitor, and uses

a precision voltage

reference and feedback loop to achieve a worst-case

accuracy of 3% over all load, line, process, and

temperature variations.

•

Stable with a 4.7-μF Capacitance

Excellent Load/Line Transient Response

This device is fully specified over the temperature

range of T_J= –40°C to +125°C and is offered in a 3-

mm × 3-mm, SON-8 package with a thermal pad.

3% Overall Accuracy (over

Load/Line/Temperature)

•

Over-Current and Over-Temperature

Protection

Typical Application Circuit

•

Very Low Dropout: 170 mV Typical at 1 A

Package: 3-mm × 3-mm SON-8

V_IN

V_OUT

OUT

TPS7A8101

R₁

R₂

C_BYPASS

C_IN

APPLICATIONS

GND

C_OUT

•

Telecom Infrastructure

Audio

C_NR

V_EN

High-Speed I/F (PLL/VCO)

DRB PACKAGE

3mm x 3mm SON

(TOP VIEW)

TYPICAL POWER-SUPPLY RIPPLE REJECTION

100

OUT

FB/SNS

GND

I_OUT= 10 mA

I_OUT= 100 mA

I_OUT= 750 mA

I_OUT= 1 A

100

10k 100k

Frequency (Hz)

10M

G103

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.

All 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...24

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TPS7A8101 替代型号

型号	品牌	替代类型	描述	数据表
TPS7A91	TI	功能相似	1A、低噪声、高 PSRR、高精度、可调节超低压降稳压器
TPS737	TI	功能相似	具有反向电流保护和使能功能的 1A 超低压降稳压器
TPS7A37	TI	功能相似	1% High-Accuracy, 1-A, Low-Dropout Regulator with Reverse Current Protection

与TPS7A8101相关器件

型号	品牌	获取价格	描述	数据表
TPS7A8101DRBR	TI	获取价格	Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator
TPS7A8101DRBT	TI	获取价格	Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator
TPS7A8101-Q1	TI	获取价格	具有使能功能的汽车类、1A、高 PSRR、可调节低压降稳压器
TPS7A8101QDRBRQ1	TI	获取价格	具有使能功能的汽车类、1A、高 PSRR、可调节低压降稳压器 \| DRB \| 8 \| -4
TPS7A8300	TI	获取价格	2-A, 6-VRMS, RF, LDO Voltage Regulator
TPS7A8300ARGRR	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300ARGRT	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300ARGWR	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300ARGWT	TI	获取价格	具有电源正常指示功能的 2A、低输入电压 (1.1V)、低噪声、高精度、超低压降稳压器 \|
TPS7A8300RGRR	TI	获取价格	2-A, 6-VRMS, RF, LDO Voltage Regulator

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