Datasheet > LM1085RS

LM1085RS

更新时间： 2024-09-25 11:33:35

品牌	Logo	应用领域
韩国泰进 - HTC		稳压器
页数	文件大小	规格书
8页	307K
描述
3A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed)

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中文翻译

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数据手册

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LM1085RS 数据手册

3A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed)

LM1085

FEATURES

TO-263 PKG

● Output Current of 3A

● Fast Transient Response

● 0.04% Line Regulation

● 0.2% Load Regulation

● Internal Thermal and Current Limiting

● Adjustable or Fixed Output Voltage(1.5V, 1.8V, 2.5V, 3.3V, 5.0V)

● Surface Mount Package TO-263 3LD & TO-252 3L

● 100% Thermal Limit Burn-in

TO-252 PKG

● Low Dropout Voltage 1.5V at 3A Output Current

● Moisture Sensitivity Level 3

1. ADJ / GND 2. OUTPUT 3. INPUT

* Heatsink surface connected to Pin 2.

APPLICATIONS

● High Efficiency Linear Regulators / Power Supply

● High Efficiency "Green" Computer Systems

● Constant Current Regulators

ORDERING INFORMATION

Device

Package

● Portable Instrumentation

LM1085R-X.X

LM1085RS-X.X

TO-263 3LD

TO-252 3LD

● SMPS Post-Regulator

● Adjustable Power Supplies

(X.X=VOUT=1.5V, 1.8V, 2.5V, 3.3V, 5.0V, ADJ)

● Powering VGA & Sound Card

DESCRIPTION

The LM1085 series of positive adjustable and fixed regulators are designed to provide 3A with high efficient.

All internal circuitry is designed to operate down to 1.5V input to output differential.

On-chip trimming adjusts the reference voltage to 1%.

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

LM1085-3.3V

LM1085-ADJ

Note

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

(1) C1 needed if device is far away from filter capacitors.

(2) C2 minimum value required for stability

I_ADJ=55㎂(Typ.)

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

Nov. 2010-Rev. 1.4

HTC

- 1 -

12 3 4 5 6 7 8

中文翻译

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