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SPX2920U3 Datasheet(PDF) 1 Page - Sipex Corporation |
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SPX2920U3 Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 7 page 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 (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 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 0.01µF 3 8 1 4 7 SHUTDOWN INPUT SPX2920 OFF ON +V IN 5 10µF V REF R 2 R 1 + ERROR OUTPUT 1.2V to 20V + 2.2 µF + SPX2920 V IN 5V IN GND OUT IG 0.1 µF Adjustable Regulator 5V Regulator Circuit DESCRIPTION |
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