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SPX2940T-1.8 Datasheet

  • SPX2940T-1.8

  • 1A Low Dropout Voltage Regulator Fixed Output, Fast Response

  • 9頁(yè)

  • SIPEX

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SPX2940
1A Low Dropout Voltage Regulator
Fixed Output, Fast Response
FEATURES
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Guaranted 1.5A Peak Current
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Low Quiescent Current
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Low Dropout Voltage of 280mV at 1A
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Extremely Tight Load and Line Regulation
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Extremely Fast Transient Response
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Reverse-battery Protection
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Internal Thermal Protection
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Internal Short Circuit Current Limit
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Replacement for LM2940, MIC2940A,
AS2940
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Standard TO-220 and TO-263 packages
APPLICATIONS
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Powering VGA & Sound Card
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LCD Monitors
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USB Power Supply
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Power PC
TM
Supplies
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SMPS Post-Regulator
SPX2940
3 Pin TO-263
1
2
3
V
IN
GND V
OUT
Now Available in Lead Free Packaging
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鈻?/div>
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鈻?/div>
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PDA or Notebook Computer
High Efficiency Linear Power Supplies
Portable Instrumentation
Constant Current Regulators
Cordless Telephones
Automotive Electronics
DESCRIPTION
The SPX2940 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 SPX2940 is offered in 3-pin TO-220 & TO-263 packages. For a 3A version, refer to the
SPX29300 data sheet.
TYPICAL APPLICATIONS CIRCUIT
V
IN
6.8碌F
+
1
SPX2940
2
3
+
10碌F
V
OUT
Figure 1. Fixed Output Linear Regulator.
Date: 5/25/04
SPX2940 1A Low Dropout Voltage Regulator
漏 Copyright 2004 Sipex Corporation
1

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