Datasheet > SPX1582U-L

SPX1582U-L

更新时间： 2024-11-16 15:52:39

品牌	Logo	应用领域
艾科嘉 - EXAR		局域网输出元件调节器
页数	文件大小	规格书
5页	172K
描述
Adjustable Positive LDO Regulator, 1.2V Min, 0.5V Dropout, PSFM5, TO-220, 5 PIN

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SPX1582U-L 数据手册

SPX1582

3A Ultra Low Dropout Voltage Regulator

Fast Response, Adjustable & Fixed

FEATURES

APPLICATIONS

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

• Fixed Output Voltages of 3.3V, 2.8V & 2.5V

• Adjustable Output Down to 1.2V from ATX Power Supply

• Extremely Tight Voltage and Line Regulation

• Standard 5-Terminal Low Cost TO-220 & TO-263

• 3.3V to 2.8V ATX Power Supplies

• 3.3V to 2.9V for Portable PENTIUM Processor

• 5V to 3.5V VRE Supply

• High Efficiency “Green” Computer Systems

PRODUCT 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 less than 400mV(typ.) and offers fast transient response. This device is suitable

for Pentium applications requiring 2.8V or 2.5V from 3.3V ATX power supplies, where a 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 a lower dropout, fast transient response to regulate from 3.3V and 5V

supplies. The SPX1582 is also an excellent choice as a post regulator for switching supplies applications.

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

negative transient voltage.

The SPX1582 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal regulators. For 7A, 5A and 1.5A

ultra low dropout versions refer to SPX1580, SPX1581 and SPX1583 data sheets respectively.

PIN CONNECTIONS

TO-220-5 (U)

TO-263-5 (T)

1. SENSE

2. ADJ or FIXED

3. V_OUT

SPX1582

1. SENSE

2. ADJ or FIXED

3. V_OUT

SPX1582

4 5

3 5

4. V_CTRL

5. V_IN

Top View

Front View

Date: 5/12/04

12 3 4 5

中文翻译

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与SPX1582U-L相关器件

型号	品牌	获取价格	描述	数据表
SPX1582U-L-2.8	EXAR	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.5V Dropout, PSFM5, TO-220, 5 PIN
SPX1582U-L-3.3	EXAR	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PSFM5, TO-220, 5 PIN
SPX1583	SIPEX	获取价格	1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1583	EXAR	获取价格	1.5A Ultra Low Dropout Voltage Regulator
SPX1583T	SIPEX	获取价格	1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1583T-1.5	SIPEX	获取价格	1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1583T-2.5	SIPEX	获取价格	1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1583T-3.0	SIPEX	获取价格	1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1583T-3.3	SIPEX	获取价格	1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
SPX1583T5	SIPEX	获取价格	Adjustable Positive LDO Regulator, 1.2V Min, PSSO5, TO-263, 5 PIN

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