Datasheet > 电源电路 > 线性稳压器IC> TPS7A8018DRBT

TPS7A8018DRBT

更新时间： 2024-11-24 11:08:07

品牌	Logo	应用领域
德州仪器 - TI		电源电路线性稳压器IC
页数	文件大小	规格书
20页	1167K
描述
具有低 IQ 和使能功能的 1A、高 PSRR、超低压降稳压器 \| DRB \| 8 \| -40 to 125

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TPS7A8018DRBT 数据手册

TPS7A80xx

www.ti.com

SBVS135A –JUNE 2010–REVISED JUNE 2010

Low-Noise, High-Bandwidth PSRR,

Low-Dropout 1A Linear Regulator

Check for Samples: TPS7A80xx

FEATURES

DESCRIPTION

•

Low-Dropout 1A Regulator with Enable

The TPS7A80xx family of low-dropout linear

regulators (LDOs) offer very high power-supply ripple

rejection (PSRR) at the output. This series of LDOs

•

Available in Multiple Output Versions:

–

Fixed Output Voltages: 0.8V to 5.0V Using

Innovative Factory EEPROM Programming

uses an advanced BiCMOS process and

PMOSFET pass device to achieve very low noise,

excellent transient response, and excellent PSRR

performance.

Adjustable Output Voltages: 0.8V to 6.0V

•

Ultra-High PSRR:

–

63dB at 1kHz

57dB at 100kHz

38dB at 1MHz

The TPS7A80xx is stable with a 4.7mF ceramic 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.

Low Noise: 15.6 × V_OUTmV_RMStypical (100Hz to

100kHz)

This device is fully specified over the temperature

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

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

•

Stable with a 4.7mF Ceramic Capacitor

Excellent Load/Line Transient Response

3% Overall Accuracy (over Load/Line/Temp)

Typical Application Circuit for Fixed Voltage Versions

Over-Current and Over-Temperature

Protection

Optional 1.0mF input capacitor.

May improve source impedance,

noise, or PSRR.

•

Very Low Dropout: 170mV Typical at 1A

3mm × 3mm SON-8 DRB Package

V_IN

V_OUT

OUT

TPS7A8001

R₁

R₂

4.7mF

Ceramic

APPLICATIONS

GND

•

Telecom Infrastructure

Audio

High-Speed I/F (PLL/VCO)

V_EN

To avoid inrush current,

it is recommended to

always connect a

1nF to 10nF capacitor

DRB PACKAGE

3mm x 3mm SON

(TOP VIEW)

OUT

TYPICAL POWER-SUPPLY RIPPLE REJECTION

FB/SNS

GND

I_OUT= 10mA

I_OUT= 100mA

I_OUT= 750mA

I_OUT= 1A

V_DO= 1.0V

No C_IN

100

10k

100k

10M

Frequency (Hz)

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...20

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与TPS7A8018DRBT相关器件

型号	品牌	获取价格	描述	数据表
TPS7A8025	TI	获取价格	Low-Noise, High-Bandwidth PSRR, Low-Dropout 1A Linear Regulator
TPS7A8033	TI	获取价格	Low-Noise, High-Bandwidth PSRR, Low-Dropout 1A Linear Regulator
TPS7A8033DRBR	TI	获取价格	具有低 IQ 和使能功能的 1A、高 PSRR、超低压降稳压器 \| DRB \| 8 \| -
TPS7A8033DRBT	TI	获取价格	具有低 IQ 和使能功能的 1A、高 PSRR、超低压降稳压器 \| DRB \| 8 \| -
TPS7A8050	TI	获取价格	Low-Noise, High-Bandwidth PSRR, Low-Dropout 1A Linear Regulator
TPS7A8050DRBR	TI	获取价格	具有低 IQ 和使能功能的 1A、高 PSRR、超低压降稳压器 \| DRB \| 8 \| -
TPS7A8050DRBT	TI	获取价格	具有低 IQ 和使能功能的 1A、高 PSRR、超低压降稳压器 \| DRB \| 8 \| -
TPS7A80XX	TI	获取价格	Low-Noise, High-Bandwidth PSRR, Low-Dropout 1A Linear Regulator
TPS7A80XX_1	TI	获取价格	Low-Noise, High-Bandwidth PSRR,Low-Dropout 1A Linear Regulator
TPS7A80xxyyyz	TI	获取价格	Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1A Linear Regulator

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