Datasheet > PL1085-1.5F3

PL1085-1.5F3

更新时间： 2024-02-11 07:44:54

品牌	Logo	应用领域
全宇昕 - CYSTEKEC		稳压器
页数	文件大小	规格书
4页	167K
描述
3A Low Dropout Positive Voltage Regulator

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数据手册

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PL1085-1.5F3 数据手册

Spec. No. : C540F3

Issued Date : 2003.06.25

Revised Date :

CYStech Electronics Corp.

Page No. : 1/4

3A Low Dropout Positive Voltage Regulator

PL1085-XXXF3

Features

ꢀDropout Voltage 1.3V at 3A Output Current.

^ꢀE^Fx^astr^te^Tm^re^alⁿy^siT^eiⁿg^th^Rt^eL^si^pn^oeⁿa^sn^ed^.Load Regulation.

ꢀCurrent Limiting and Thermal Protection.

TO-263

^ꢀS^At^dan^jud^sa^tr^ad^bl3^e-^OPi^un^tpP^uo^tw^Ve^or^lP^taa^gc^eka^og^re^Fs.^{ixed 1.5V, 1.8V, 2.5V, 2.85, 3.0V, 3.3V, 3.5V, 5.0V.}

Description

The PL1085-XXXF3 is a low dropout three terminal regulator with 3A output current capability. The output voltage is

adjustable with the use of a resistor divider or fixed 1.5V, 1.8V, 2.5V, 2.85V, 3.0V, 3.3V, 3.5V and 5.0V. Dropout voltage is

guaranteed to be at maximum of 1.3V with the maximum output current. Its low dropout voltage and fast transient response

make it ideal for low voltage microprocessor applications. Current limit and thermal protection provide protection against

any overload condition that would create excessive junction temperatures.

Applications

ꢀ^ꢀM^Moic^tr^ho^ep^rr^Boc^oe^as^rs^do^Ir^/OPo^Pw^oe^wr ^eS^ru^Sp^up^pli^pe^lsⁱ.^es.

ꢀ^{ꢀ H}Po^igst^hR^Ce^ug^ru^rl^eaⁿt^to^Rr f^eo^gr^uS^law^toit^rc^.hing Supply.

Typical Application Circuit

Vin=5V

Vout=3.3V

V^REF=V^OUT-V^ADJ=1.25V(typ)

V^OUT=V^REF(1+R¹/R²)+I^ADJ×R²

I^ADJ=55µA(typ.)

ADJ

VREF

10μF

125Ω

10μF

(1)C1 needed if device is far

205Ω

away from filter capacitors.

(2)C2 required for stability.

Adjustable Voltage Regulator

Vin=5V

Vout=3.3V

10μF

GND

Fixed Voltage Regulator

PL1085F3

CYStek Product Specification

12 3 4

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