Datasheet > TPS7A3401

TPS7A3401

更新时间： 2024-10-04 08:37:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
18页	580K
描述
-20-V, -200-mA, Low-Noise NEGATIVE VOLTAGE REGULATOR

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TPS7A3401 数据手册

TPS7A3401

www.ti.com

SBVS163 –JUNE 2011

–20-V, –200-mA, Low-Noise NEGATIVE VOLTAGE REGULATOR

Check for Samples: TPS7A3401

FEATURES

DESCRIPTION

The TPS7A3401 is a negative, high-voltage (–20 V),

low-noise linear regulator capable of sourcing a

maximum load of 200 mA.

•

Input Voltage Range: –3 V to –20 V

Noise:

•

–

80 μV_RMS(10 Hz to 100 kHz)

These

linear

regulators

include

CMOS

•

Power-Supply Ripple Rejection:

logic-level-compatible enable pin. Other features

available include built-in current limit and thermal

shutdown protection to safeguard the device and

system during fault conditions.

–

50 dB (1 kHz)

≥ 27 dB (10 Hz to 1 MHz)

•

Adjustable Output: ~ –1.18 V to –18 V

Maximum Output Current: 200 mA

Dropout Voltage: 500 mV at 100 mA

Stable with Ceramic Capacitors ≥ 2.2 μF

CMOS Logic-Level-Compatible Enable Pin

Built-In, Fixed, Current-Limit and Thermal

Shutdown Protection

Available in High Thermal Performance

The TPS7A3401 is designed using bipolar

technology, and is ideal for instrumentation

applications where clean voltage rails are critical to

improve system performance. This design makes it a

cost-effective choice to power operational amplifiers,

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

converters (DACs), and other analog circuitry.

•

In addition, the TPS7A3401 linear regulator is

suitable for cost-effective, post dc/dc converter

regulation. By filtering out the output voltage ripple

inherent to dc/dc switching conversion, increased

system performance is provided in instrumentation

applications.

MSOP-8 PowerPAD™ Package

Operating Tempature Range: –40°C to +125°C

APPLICATIONS

•

Cost-Effective Supply Rails for Op Amps,

DACs, ADCs, and Other High-Precision Analog

Circuitry

Typical Application

•

Cost-Effective Post DC/DC Converter

Regulation and Ripple Filtering

DGN PACKAGE

3mm ´ 5mm MSOP-8 PowerPAD

(TOP VIEW)

OUT

GND

OUT

+18V

+15V

GND

TPS7A49

GND

OUT

-18V

-15V

TPS7A34

EN GND

EVM

Post DC/DC Converter Regulation

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.

PowerPAD is a trademark of Texas Instruments.

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...18

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与TPS7A3401相关器件

型号	品牌	获取价格	描述	数据表
TPS7A3401DGNR	TI	获取价格	-20-V, -200-mA, Low-Noise NEGATIVE VOLTAGE REGULATOR
TPS7A3401DGNT	TI	获取价格	-20-V, -200-mA, Low-Noise NEGATIVE VOLTAGE REGULATOR
TPS7A3501	TI	获取价格	具有使能功能的 1A、低噪声、可调节低压降稳压器
TPS7A3501DRVR	TI	获取价格	具有使能功能的 1A、低噪声、可调节低压降稳压器 \| DRV \| 6 \| -40 to 1
TPS7A3501DRVT	TI	获取价格	具有使能功能的 1A、低噪声、可调节低压降稳压器 \| DRV \| 6 \| -40 to 1
TPS7A37	TI	获取价格	1% High-Accuracy, 1-A, Low-Dropout Regulator with Reverse Current Protection
TPS7A3701DRVR	TI	获取价格	具有反向电流保护和使能功能的 1A、高精度、超低压降稳压器 \| DRV \| 6 \| -40
TPS7A3701DRVT	TI	获取价格	具有反向电流保护和使能功能的 1A、高精度、超低压降稳压器 \| DRV \| 6 \| -40
TPS7A3721DRVR	TI	获取价格	具有反向电流保护和使能功能的 1A、高精度、超低压降稳压器 \| DRV \| 6 \| -40
TPS7A3721DRVT	TI	获取价格	具有反向电流保护和使能功能的 1A、高精度、超低压降稳压器 \| DRV \| 6 \| -40

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