Datasheet > REG101NA-2.5/2K5

REG101NA-2.5/2K5

更新时间： 2024-09-15 23:32:39

品牌	Logo	应用领域
其他 - ETC		稳压器调节器光电二极管输出元件
页数	文件大小	规格书
14页	267K
描述
Positive Fixed Voltage Regulator

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中文翻译

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数据手册

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REG101NA-2.5/2K5 数据手册

REG101

www.ti.com

DMOS

100mA Low-Dropout Regulator

DESCRIPTION

FEATURES

The REG101 is a family of low noise, low dropout

linear regulators with low ground pin current. Its new

DMOS topology provides significant improvement

over previous designs, including low dropout voltage

(only 60mV typ at full load), and better transient

performance. In addition, no output capacitor is re-

quired for stability, unlike conventional low dropout

regulators that are difficult to compensate and require

expensive low ESR capacitors greater than 1µF.

● NEW DMOS TOPOLOGY:

Ultra Low Dropout Voltage:

60mV typ at 100mA

Output capacitor NOT required for stability

● FAST TRANSIENT RESPONSE

●

VERY LOW NOISE: 23µVrms

● HIGH ACCURACY: ±1.5% max

● HIGH EFFICIENCY:

Typical ground pin current is only 500µA (at I_OUT

I_GND= 500µA at I_OUT= 100mA

Not Enabled: I_GND= 10nA

100mA) and drops to 10nA when not enabled mode.

Unlike regulators with PNP pass devices, quiescent

current remains relatively constant over load variation

and under dropout conditions.

● 2.5V, 2.8V, 2.85V, 3.0V, 3.3V, 5.0V AND

ADJUSTABLE OUTPUT VERSIONS

The REG101 has very low output noise (typically

23µVrms for V_OUT= 3.3V with C_NR= 0.01µF),

making it ideal for use in portable communications

equipment. Accuracy is maintained over temperature,

line, and load variations. Key parameters are guaran-

teed over the specified temperature range

(–40°C to +85°C).

● OTHER OUTPUT VOLTAGES AVAILABLE

UPON REQUEST

● FOLDBACK CURRENT LIMIT

● THERMAL PROTECTION

● SMALL SURFACE-MOUNT PACKAGES:

SOT23-5 and SO-8

The REG101 is well protected—internal circuitry pro-

vides a current limit which protects the load from

damage. Thermal protection circuitry keeps the chip

from being damaged by excessive temperature. The

REG101 is available in the SOT23-5 and the SO-8

packages.

APPLICATIONS

● PORTABLE COMMUNICATION DEVICES

● BATTERY-POWERED EQUIPMENT

● PERSONAL DIGITAL ASSISTANTS

● MODEMS

● BAR-CODE SCANNERS

● BACKUP POWER SUPPLIES

Enable

V_OUT

V_IN

V_OUT

V_IN

REG101

(Fixed Voltage

Versions)

R₁

Adj

R₂

0.1µF

(1)

C_OUT

REG101-A

C_OUT

0.1µF

Gnd

NR = Noise Reduction

NOTE: (1) Optional.

SBVS026B

Printed in U.S.A. February, 2001

12 3 4 5 6 7...14

中文翻译

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与REG101NA-2.5/2K5相关器件

型号	品牌	获取价格	描述	数据表
REG101NA-2.5/3K	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA-2.5/3KG4	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA-2.8/250	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA-2.8/250	BB	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.13V Dropout, NMOS, PDSO5, SOT-23, 5 PIN
REG101NA-2.8/250G4	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA-2.8/2K5	ETC	获取价格	Positive Fixed Voltage Regulator
REG101NA-2.8/3K	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA-2.8/3KG4	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA-2.85/250	TI	获取价格	DMOS 100mA Low-Dropout Regulator
REG101NA2.85/250G4	TI	获取价格	DMOS 100mA Low-Dropout Regulator

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