SPX1582T5-L

更新时间： 2024-11-16 13:13:59

品牌	Logo	应用领域
西伯斯 - SIPEX		线性稳压器IC 调节器电源电路输出元件
页数	文件大小	规格书
7页	205K
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中文翻译

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SPX1582T5-L 数据手册

SPX1582

3A Ultra Low Dropout Voltage Regulator

Fast Response, Adjustable & Fixed

FEATURES

■Low Dropout Voltage 500mV at 3A Full Load Current

■Adjustable Ouput Down to 1.25V from ATX Power Supply

■Fixed Output Voltages of 3.3V and 2.5V

SPX1582

5 Pin TO-263

SPX1582

2 3 4 5

5 Pin TO-220

■Extremely Tight Load and Line Regulation

■Standard 5-Terminal Low Cost TO-220 and TO-263

APPLICATIONS

■3.3V to 2.8V ATX Power Supplies

■3.3V to 2.9V for Portable PENTIUM^TMProcessor

■5V to 3.5V VRE Supply

■High efficiency "Green" Computer Systems

Now Available in Lead Free Packaging

DESCRIPTION

The SPX1582 is a 3A Low Dropout Regulator with extremely low dropout voltage. The adjustable version requires only

two external resistors to set the output voltage. The fixed version has a preset output of 3.3V, 2.8V or 2.5V and does

not require any external resistors. The SPX1582 features a low dropout of 400mV(Typ.) and offers fast transient

response. This device is suitable for Pentium applications requiring 2.8V, 2.5V from 3.3V ATX power supplies, where

low current input voltage 1V greater than the output voltage is needed. With an external sense pin the load regulation

is less than 1mV. This device is an excellent choice for the use in powering low voltage microprocessors that require

alowerdropout,fasttransientresponsetoregulatefrom3.3Vand5Vsupplies.TheSPX1582isalsoanexcellentchoice

as a post regulator for switching supply applications.

The SPX1582 offers protection against over-current faults, reversed input polarity, over temperature operation and

positive or negative transient voltages.

The SPX1582 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal regulators. For

5A, 3A and 1.5A ultra low dropout versions refer to SPX1581, SPX1582 and SPX1583 data sheets respectively.

TYPICAL APPLICATIONS CIRCUIT

V_IN

V_OUT

2.5V

3.3V

V_IN

V_OUT

V_IN

V_OUT

2.5V

3.3V

V_IN

SPX1582

330μF

V_OUT

SPX1582

330μF

V_CTRL

SENSE

V_CTRL

SENSE

ADJ

124Ω

GND

2x330μF

10μF

.033μF

124Ω

(1) V_CTRLneeded when V_IN< 5V.

(2) V_OUT= V_REF(1+R₂/R₁)+I_ADJR₂.

(3) V_REFis measured across adjust to sense.

Adjustable Regulator

Typical Fixed Regulator

Jun 17-06 Rev F

SPX1582 3A Ultra Low Dropout Voltage Regulator

12 3 4 5 6 7

中文翻译

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与SPX1582T5-L相关器件

型号	品牌	获取价格	描述	数据表
SPX1582T5-L/TR	SIPEX	获取价格	Adjustable Positive LDO Regulator, 1.25V Min, 6V Max, 0.5V Dropout, PSSO5, LEAD FREE, TO-2
SPX1582T-L	EXAR	获取价格	Adjustable Positive LDO Regulator, 1.2V Min, 0.5V Dropout, PSSO5, TO-263, 5 PIN
SPX1582T-L-2.5	EXAR	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.5V Dropout, PSSO5, TO-263, 5 PIN
SPX1582T-L-2.8	SIPEX	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.5V Dropout, PSSO5, TO-263, 5 PIN
SPX1582U	SIPEX	获取价格	3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1582U-2.5	SIPEX	获取价格	3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1582U-2.8	SIPEX	获取价格	3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1582U-3.3	SIPEX	获取价格	3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1582U-3.3	EXAR	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PSFM5, TO-220, 5 PIN
SPX1582U5	SIPEX	获取价格	3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed

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