SPX1521M3-3.3 Sipex Corporation, SPX1521M3-3.3 Datasheet
SPX1521M3-3.3
Manufacturer Part Number
SPX1521M3-3.3
Description
Manufacturer
Sipex Corporation
Specifications of SPX1521M3-3.3
Case
SOT-223
Date_code
06
Available stocks
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Sipex
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2 337
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SPX1521M3-3.3
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Part Number:
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20 000
FEATURES
The SPX1521 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 SPX1521
features very low quiescent current and very low dropout voltage. This includes a tight initial tolerance of
±1% max, and very low output temperature coefficient, making the SPX1521 useful as a low-power voltage
reference.
The SPX1521 is offered in a SOT-252, TO-223, TO-220 & TO-263 3 lead packages.
Rev. 10/24/02
DESCRIPTION
SOT-223 (M3)
V
1% Output Accuracy 3.3V, 5V,
at 300mA Output
Very Low Quiescent Current
0.3V (Typ.) Dropout Voltage at 300mA
Extremely Tight Load and Line Regulation
Current & Thermal Limiting
Reverse Battery Protection
Equivalent Replacement For LT1521
1
IN
Top View
SPX1521
GND V
2
3
OUT
®
TO-263-3 (T)
V
1
OUT
Top View
SPX1521
GND V
300mA Low Dropout Voltage Regulator
2
SPX1521 300mA Low Dropout Voltage Regulator
3
IN
V
1
OUT
V
Figure 1. 5V Regulator Circuit
I
TO-220-3 (U)
IN
Front View
OUT
SPX1521
= I
1
0.1µF
L
GND V
+ I
2
G
I
IN
+
3
IN
IN
SPX1521
GND
I
G
©Copyright 2002 Sipex Corporation
OUT
TO-252 (R)
Front View
SPX1521
+
5V
2.2µF
3
2
1
LOAD
GND
V
V
IN
OUT
I
L
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