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參數(shù)資料
| 型號(hào)： | SPX1583T-3.3 |
| 英文描述： | Dual, 12-Bit, 65MSPS, +3.3V Analog-to-Digital Converter 64-TQFP -40 to 85 |
| 中文描述： | 1.5A的超低壓差穩(wěn)壓器快速響應(yīng)，可調(diào) |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 171K |
| 代理商： | SPX1583T-3.3 |
Date: 5/14/04
SPX1583
1.5A Ultra Low Dropout Voltage Regulator
Fast Response, Adjustable & Fixed
FEATURES
Low Dropout Voltage 500mV at 1.5A Full Load Current
Adjustable Output Down to 1.2V from ATX Power Supply
Fixed Output Voltages of 3.3V, 2.8V, 2.5V, and 1.5V
Extremely Tight Voltage and Line Regulation
Standard 5-Terminal Low Cost TO-220 & TO-263
PRODUCT DESCRIPTION
The SPX1583 is a 1.5A 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 SPX1583 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 SPX1583 is also an excellent choice as a post regulator for switching supplies applications.
The SPX1583 offers full protection against over-current faults, reversed input polarity, over temperature operation and positive and
negative transient voltage.
The SPX1583 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal regulators. For 7A, 5A and 3A
ultra low dropout versions refer to SPX1580, SPX1581 and SPX1582 data sheets respectively.
PIN CONNECTIONS
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
Top View
4 5
SPX1583
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
SPX1583
1. SENSE
2. ADJ or FIXED
3. V
OUT
4. V
CTRL
5. V
IN
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SPX1583U | Dual, 10-Bit, 65MSPS, +3.3V Analog-to-Digital Converter 64-TQFP -40 to 85 |
| SPX1583U-1.5 | 1.5A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed |
| SPX1585AT-2.5 | 5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| SPX1585AT-3.3 | 5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| SPX1585AT-5.0 | 5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPX1583T5/TR | 制造商:Exar Corporation 功能描述:VOLTAGE REGULATOR |
| SPX1583T5-L | 功能描述:低壓差穩(wěn)壓器 - LDO 1.5A ULTRA LOW DROPOUT RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SPX1583T5-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO 1.5A ULTRA LOW DROPOUT RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SPX1583T5-L-2-5 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX1583T5-L-2-5/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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