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參數資料
| 型號： | SP2815R-5.0 |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 5 V FIXED POSITIVE LDO REGULATOR, PSSO2 |
| 封裝： | TO-252, 3 PIN |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 22K |
| 代理商： | SP2815R-5.0 |
2002 Short Form Catalog
P-139
Copyright 2001 Sipex Corporation
P
description
The SPX2815 is a low power 1.5A that is available in either an
adjustable or fixed output voltage version. It requires only 2 external
resistors to set the output voltage for the adjustable version. This
device is an excellent choice for use in powering low voltage micro-
processor that require a lower dropout voltages and faster transient or
as a post regulator for switching supply applications. The SPX2815
has a very low quiescent current and a low dropout voltage of 1.2V at
full load. The SPX2815 features over current limit and protection
against over-current faults, reversed input polarity, reversed load inser-
tion, and positive and negative voltage transients.
The SPX2815 is offered in industry standard 3-pin TO-220, TO-263
and TO-252 packages.
SPX2815
1.5A Low Dropout, Adjustable and Fixed Output Voltage
Regulator
features
s Guaranteed 1.5A Output
Current
s Adjustable Output Down To
1.2V
s Fixed Output Voltages 2.5V,
3.3V, 5.0V
s 1% and 2% Output Accuracy
s Low Dropout Voltage 1.1V typ.
s Extremely Tight Load and Line
Regulation
s Current and Thermal Limiting
s Standard 3-Terminal Low Cost
TO-220, TO-263 and TO-252
s Similar to Industry Standard
LT1086/LT1586
applications
s Powering VGA and Sound Card
s PowerPC Supplies
s SMPS Post-Regulator
s High Efficiency “Green”
Computer Systems
s High Efficiency Linear Power
Supplies
s Portable Instrumentation
s Constant Current Regulators
s Adjustable Power Supplies
s Battery Charger
typical application circuits
SPX2815
Basic Fixed Regulator
VIN
VOUT
5V
C1
10
F
C1
10
F
3.3V
SPX2815
Basic Adjustable Regulator
V
OUT
VREF
R 1
R 2
I ADJ
50
A
V
OUT
V
OUT = VREF* ( 1 + R 2/R1) + I ADJ* R 2
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