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參數(shù)資料
| 型號： | SPX3940AM3-2.5 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| 中文描述： | 1A低壓差線性穩(wěn)壓器固定輸出，快速響應 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 213K |
| 代理商： | SPX3940AM3-2.5 |
1
Date: 5/25/04 SPX3940 1A Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
1A Low Dropout Voltage Regulator
Fixed Output, Fast Response
SPX3940
DESCRIPTION
FEATURES
■
1% Output Accuracy SPX3940A
■
Guaranteed 1.5A Peak Current
■
Low Quiescent Current
■
Low Dropout Voltage of 280mV at 1A
■
Extremely Tight Load and Line Regulation
■
Extremely Fast Transient Response
■
Reverse-battery Protection
■
Internal Thermal Protection
■
Internal Short Circuit Current Limit
■
Replacement for LM3940
■
Standard SOT-223, TO-220
and TO-263 packages
APPLICATIONS
■
Powering VGA & Sound Card
■
Automotive Electronics
■
LCD Monitors
■
Cordless Telephones
■
Power PC
TM
Supplies
The SPX3940 is a 1A, accurate voltage regulators with a low drop out voltage of 280mV(typical)
at 1A. These regulators are specifically designed for low voltage applications that require a low
dropout voltage and a fast transient response. They are fully fault protected against over-current,
reverse battery, and positive and negative voltage transients.
The SPX3940 is offered in 3-pin SOT-223, TO-220 & TO-263 packages. For a 3A version, refer
to the SPX29300 data sheet.
SPX3940
V
OUT
V
IN
+
6.8
μ
F
+10
μ
F
1
2
3
Figure 1. Fixed Output Linear Regulator.
TYPICAL APPLICATIONS CIRCUIT
■
SMPS Post-Regulator
■
Laptop, Palmtop, and Note-
book Computer
■
High Efficiency Linear Power
Supplies
■
Portable Instrumentation
■
Constant Current Regulators
1
2
3
SPX3940
3 Pin TO-263
GND
V
IN
V
OUT
Now Available in Lead Free Packaging
相關PDF資料 |
PDF描述 |
|---|---|
| SPX3940AT-1.8 | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940AT-2.5 | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940AT-3.3 | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940AU-2.5 | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940M3-1.8 | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SPX3940AM3-3.3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1A Low Drop Out Voltage Regulator |
| SPX3940AM3-3.3/ | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940AM3-5.0 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1A Low Drop Out Voltage Regulator |
| SPX3940AM3-5.0/ | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940AM3-L-1-8 | 功能描述:低壓差穩(wěn)壓器 - LDO 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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