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參數(shù)資料
| 型號： | AS1582 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed(3A超低壓差穩(wěn)壓器（快速響應(yīng)，可調(diào)和固定輸出）) |
| 中文描述： | 第3A超低壓降穩(wěn)壓器快速響應(yīng)，可調(diào) |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 111K |
| 代理商： | AS1582 |
Rev. 10/2/00
AS1582
3A Ultra Low Dropout Voltage Regulator
Fast Response, Adjustable & Fixed
FEATURES
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
PRODUCT DESCRIPTION
The AS1582 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 AS1582 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 AS1582 is also an excellent choice as a post regulator for switching supplies applications.
The AS1582 offers full protection against over-current faults, reversed input polarity, over temperature operation and positive and
negative transient voltage.
The AS1582 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 AS1580, AS1581 and AS1583 data sheets respectively.
ORDERING INFORMATION
TO-22O
5-PIN
5-PIN
AS1582U
AS1582T
Adjustable
AS1582U-X
AS1582T-X
Fixed
Consult with factory for other fixed output voltages.
X= Output Voltage (3.3V, 2.8V or 2.5V)
TO-263-5 (T)
APPLICATIONS
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
TO-263
OUTPUT
PIN CONNECTIONS
Top View
4 5
AS1582
1 2 3
1. SENSE
2. ADJ or FIXED
3. V
OUT
4. V
CTRL
5. V
IN
TO-220-5 (U)
Front View
5
4
3
2
1
AS1582
1. SENSE
2. ADJ or FIXED
3. V
OUT
4. V
CTRL
5. V
IN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1582T | 制造商:Alpha & Omega Semiconductor 功能描述: |
| AS1582T-2.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1582T-2.8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1582T-3.3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1582T-X | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed |
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