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參數(shù)資料
| 型號： | SPX2810U-L |
| 元件分類： | 可調(diào)正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 1.25 V-10 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PSFM3 |
| 封裝： | LEAD FREE, TO-220AB, 3 PIN |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 106K |
| 代理商： | SPX2810U-L |
1
Date: 9/8/04
SPX2810 1A Low Dropout Linear Regulator
Copyright 2004 Sipex Corporation
1A Low Dropout Positive Linear Regulator
SPX2810 / SP2810A
FEATURES
■ Output Current of 1A
■ Accurate Output Voltage
■ Low Quiescent Current
■ Low Dropout Voltage of 1.1V at Full Load
■ 0.2% Line and 0.3% Load Regulation
■ Adjustable Output Down to 1.2V
■ Overcurrent and Thermal Protection
■ Output Accuracy
■
SPX2810A = 1% Room Temp.
■
SPX2810 = 2% Room Temp.
■ Fixed Output Voltage: 1.5V, 2.5V, 3.0V,
3.3V and 5V (SOT223 only)
■ Available Packages: SOT-223,TO-252,
TO-220, and TO-263
The SPX2810 is a low power positive-voltage regulator designed to satisfy moderate power
requirements with a cost effective, small footprint solution. This device is an excellent choice for
use in battery-powered applications and portable computers. The SPX2810 has a very low
quiescent current and a low dropout voltage of 1.1V at full load. As output current decreases,
quiescent current flows into the load, increasing efficiency. SPX2810 is available in adjustable
or fixed 1.5, 2.5V, 3.0V, 3.3V and 5.0V output voltages.
The SPX2810 is offered in several industry standard 3-pin surface mount packages: SOT-223,
TO-252, TO-220 and TO-263. An output capacitor of 10F or larger, provides unconditionally
stability for most applications.
DESCRIPTION
Now Available in Lead Free Packaging
TYPICAL APPLICATION CIRCUITS
APPLICATIONS
■ SCSI-II Active Terminator
■ Pocket PC/PDAs
■ Notebook Computers
■ Battery Chargers
■ Disk Drives
■ Portable Consumer Equipment
■ Portable Instrumentation
■ SMPS Post-Regulator
IN
OUT
I ADJ
SPX2810
C1
R
1
R
2
VOUT
VIN
C
2
V
OUT =V REF (1+R 2 /R1) +I ADJ R 2
V
REF
50A
ADJ
4.7F +
1
2
3
SPX2810
3 Pin SOT-223
ADJ/GND
V
IN
V
OUT
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