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SPX2920

Sipex Corporation
Part Number SPX2920
Manufacturer Sipex Corporation
Description Low Drop Out Voltage Regulator
Published Aug 30, 2007
Detailed Description www.DataSheet4U.com ® SPX2920 400mA Low Drop Out Voltage Regulator with Shutdown FEATURES ■ Output 3.3V, 5.0V, at 400...
Datasheet PDF File SPX2920 PDF File

SPX2920
SPX2920

Overview
www.
DataSheet4U.
com ® SPX2920 400mA Low Drop Out Voltage Regulator with Shutdown 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) 0.
1 µF ON SHUTDOWN INPUT OFF +VIN 100K 8 +VIN VOUT + 7 R1 0.
01µF 10µF 1 1.
2V to 20V SPX2920 3 SD GND 4 FB ______ ERROR ERROR 5 R2 VREF OUTPUT Adjustable Regulator 5V IN OUT VIN SPX2920 + GND + 2.
2 µF ■ Equivalent Replacement for MIC2920A and MIC2904 5V Regulator Circuit IG DESCRIPTION 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 (140µA 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 lowpower 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.
TO-220-3 (U) TO-263-3 (T) VOUT 8-Pin Surface Mount SOT-223 (M3) 1 2 3 4 8 7 VIN FEEDBACK 5V/ 3.
3V TAP ERROR VIN GND VOUT SPX2920 SPX2920 1 2 3 1 2 3 SENSE SHUTDOWN GND SPX2920 1 2 3 SPX2920 6 5 VIN GND VOUT VIN GND VOUT Front View Top View Top View Top View Rev: A Date: 03...


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