Datasheet > REG113-5

REG113-5

更新时间： 2024-11-19 23:32:43

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其他 - ETC		稳压器
页数	文件大小	规格书
14页	249K
描述
DMOS 400mA Low-Dropout Regulator

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REG113-5 数据手册

REG113

SBVS031C – MARCH 2001 – REVISED MARCH 2003

DMOS

400mA Low-Dropout Regulator

DESCRIPTION

FEATURES

The REG113 is a family of low-noise, low-dropout linear

regulators with low ground pin current. Its new DMOS topol-

ogy provides significant improvement over previous designs,

including low-dropout voltage (only 250mV typ at full load),

and better transient performance. In addition, no output

capacitor is required for stability, unlike conventional low-

dropout regulators that are difficult to compensate and re-

quire expensive low ESR capacitors greater than 1µF.

● CAP-FREE DMOS TOPOLOGY:

Ultra Low Dropout Voltage:

250mV typ at 400mA

Output Capacitor not Required for Stability

● UP TO 500mA PEAK, TYPICAL

● FAST TRANSIENT RESPONSE

●

VERY LOW NOISE: 28µVrms

● HIGH ACCURACY: ±1.5% max

● HIGH EFFICIENCY:

Typical ground pin current is only 850µA (at I_OUT= 400mA)

and drops to 10nA when not enabled. Unlike regulators with

PNP pass devices, quiescent current remains relatively con-

stant over load variations and under dropout conditions.

I_GND= 850µA at I_OUT= 400mA

Not Enabled: I_GND= 0.01µA

The REG113 has very low output noise (typically 28µVrms

for V_OUT= 3.3V with C_NR= 0.01µF), making it ideal for use

in portable communications equipment. Accuracy is main-

tained over temperature, line, and load variations. Key

parameters are tested over the specified temperature range

(–40°C to +85°C).

● 2.5V, 2.85V, 3.0V, 3.3V, AND 5.0V OUTPUT VERSIONS

● OTHER OUTPUT VOLTAGES AVAILABLE UPON

REQUEST

● FOLDBACK CURRENT LIMIT

● THERMAL PROTECTION

● SMALL SURFACE-MOUNT PACKAGES:

SOT23-5 and MSOP-8

The REG113 is well protected—internal circuitry provides a

current limit which protects the load from damage, further-

more, thermal protection circuitry keeps the chip from being

damaged by excessive temperature. The REG113 is avail-

able in SOT23-5 and MSOP-8 packages.

APPLICATIONS

● PORTABLE COMMUNICATION DEVICES

● BATTERY-POWERED EQUIPMENT

● PERSONAL DIGITAL ASSISTANTS

● MODEMS

Enable

V_OUT

V_IN

0.1µF

(1)

REG113

● BAR-CODE SCANNERS

C_OUT

● BACKUP POWER SUPPLIES

NR⁽²⁾

GND

NOTES: (1) Optional. (2) NR = Noise Reduction.

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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与REG113-5相关器件

型号	品牌	获取价格	描述	数据表
REG113EA-2.5/250	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-2.5/250G4	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-2.5/2K5	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-2.5/2K5G4	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-2.85/250	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-2.85/2K5	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA285250G4	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA2852K5G4	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-3.3/250	TI	获取价格	DMOS 400mA Low-Dropout Regulator
REG113EA-3.3/2K5	TI	获取价格	DMOS 400mA Low-Dropout Regulator

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