Datasheet > LM1084S-3.3

LM1084S-3.3

更新时间： 2024-11-22 11:33:31

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
2页	83K
描述
5A LOW DROPOUT VOLTAGE REGULATOR (Adjustable & Fixed)

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中文翻译

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数据手册

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LM1084S-3.3 数据手册

5A LOW DROPOUT VOLTAGE REGULATOR (Adjustable & Fixed)

LM1084

SOT-223 PKG (FRONT VIEW)

FEATURES

● Low Dropout Voltage 500mV at 5A Output Current

● Fast Transient Response

● 0.015% Line Regulation

PIN FUNCTION

1. Adj/Gnd

2. Vout

● 0.1% Load Regulation

● Internal Thermal and Current Limiting

● Adjustable or Fixed Output Voltage(1.5, 2.5, 2.85, 3.0, 3.3, 5.0V)

● Surface Mount Package SOT-223 & TO-263 (D2 Package)

● 100% Thermal Limit Burn-in

3. Vin

TO-263 (D2 PKG, FRONT VIEW)

APPLICATIONS

● Battery Charger

PIN FUNCTION

1. Adj/Gnd

2. Vout

● Adjustable Power Supplies

● Constant Current Regulators

● Portable Instrumentation

3. Vin

● High Efficiency Linear Power Supplies

● High Efficiency "Green" Computer Systems

● SMPS Post-Regulator

● Power PC Supplies

● Powering VGA & Sound Card

ORDERING INFORMATION

Device & Marking

LM1084S-XX

Package

SOT 223

LM1084T-XX

TO263 (D2)

(XX=Vout=1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0V

DESCRIPTION

Adjustable= AD)

The LM1084 is a low dropout three terminal regulator with 5A output current capability.

The output voltage is adjustable with the use of a resistor divider. Dropout is guaranteed at a maximum

of 500 mV at maximum output current.

It's low dropout voltage and fast transient response make it ideal for low voltage microprocessor

applications. Internal current and thermal limiting provides protection against any overload condition

that would create excessive junction temperature.

TEST & TYPICAL APPLICATION CIRCUIT

V_IN

V_OUT

LM1084

3.33V

V_REF=V_OUT-V_ADJ=1.25V(Typ.)

V_OUT=V_REFx(1+RF2/RF1)+I_ADJxRF2

I_ADJ=55㎂(Typ.)

RF1

124Ω

V_REF

ADJ

10㎌

RF2

205Ω

(1) C1 Needed if device is far away

from filter capacitors.

(2) C2 Required for stability

Adjustable Voltage Regulator

HTC

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