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參數(shù)資料
| 型號(hào)： | SPX2920U3 |
| 英文描述： | 400mA Low Drop Out Voltage Regulator with Shutdown |
| 中文描述： | 400mA的低壓差與關(guān)斷穩(wěn)壓器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 95K |
| 代理商： | SPX2920U3 |
1
Rev: A Date: 03/30/04
SPX2920 400mA Low Drop Out Voltage Regulator with Shutdown
Copyright 2004 Sipex Corporation
SPX2920
FEATURES
■ Output 3.3V, 5.0V, at 400mA Output
■ Very Low Quiescent Current
■ Low Dropout Voltage
■ Extremely Tight Load And Line Regulation
■ Very Low Temperature Coefficient
■ Current & Thermal Limiting
■ Error Flag Warns Of Output Dropout
(for SO-8)
■ Logic-Controlled Electronic Shutdown
(for SO-8)
■ Output Programmable From 1.24V to 20V
(for SO-8)
■ Equivalent Replacement for MIC2920A and
MIC2904
The SPX2920 is a low power voltage regulator. This device is an excellent choice for use in battery-powered
applications such as cordless telephones, radio control systems, and portable computers. The SPX2920
features very low quiescent current (140A Typ.) and very low dropout voltage. This includes a tight initial
tolerance of 1% max and very low output temperature coefficient, making the SPX2920 useful as a low-
power voltage reference.
The error flag output feature is used as power-on reset for warning of a low output voltage, due to a falling
voltage input of batteries. Another feature is the logic-compatible shutdown input which enables the
regulator to be switched on and off. The SPX2920 is offered in 3-pin TO-220 package, SO-8 (same pin
out as SPX2951), SOT-223, and surface mount and 3-pin TO-263 packages.
The regulator output voltage (of the SO-8) may be pin-strapped for a 3.3V and 5.0V or programmed from
1.24V to 20V with an external pair of resistors.
400mA Low Drop Out Voltage Regulator with Shutdown
Front View
TO-220-3 (U)
SPX2920
123
V
IN
TO-263-3 (T)
Top View
1
SPX2920
2
3
V
OUT
GND
V
IN
V
OUT
GND
Top View
2
1
3
4
8
7
6
5
SPX2920
8-Pin Surface Mount
Top View
SPX2920
13
2
SOT-223 (M3)
V
OUT
SENSE
SHUTDOWN
GND
V
IN
FEEDBACK
5V/ 3.3V TAP
ERROR
V
IN
GND VOUT
100K
ERROR
______
SD
V
OUT
GND
FB
+V
IN
0.01F
3
8
1
4
7
SHUTDOWN
INPUT
SPX2920
OFF
ON
+V
IN
5
10F
V
REF
R
2
R
1
+
ERROR
OUTPUT
1.2V to 20V
+
2.2 F
+
SPX2920
V
IN
5V
IN
GND
OUT
IG
0.1 F
Adjustable Regulator
5V Regulator Circuit
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPX2920U-3.3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:400mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2920U3-2.5 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:400mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2920U-3-3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:400mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2920U3-3.3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:400mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2920U3-5.0 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:400mA Low Drop Out Voltage Regulator with Shutdown |
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