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AMS2931 Datasheet(PDF) 4 Page - Advanced Monolithic Systems |
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AMS2931 Datasheet(HTML) 4 Page - Advanced Monolithic Systems |
4 / 9 page Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723 AMS2931 PIN CONNECTIONS FIXED OUTPUT VOLTAGE TO-92 Plastic Package (N) 8L SOIC SO-Package (S) TO-220 (T) TO-263 (M) OUTPUT INPUT GND N/C OUTPUT N/C INPUT GROUND GROUND GROUND GROUND 1 2 8 4 3 7 5 6 GND OUTPUT INPUT TAB IS GND GND INPUT OUTPUT Bottom View Top View Front View Top View ADJUSTABLE OUTPUT VOLTAGE 8L SOIC SO-Package (S) ON/OFF OUTPUT ADJ INPUT GROUND GROUND GROUND GROUND 1 2 8 4 3 7 5 6 Top View TYPICAL APPLICATIONS AMS2931-X (Fixed Output) AMS2931C (Adjustable Output) AMS2931 V IN UNREGULATED INPUT V OUT REGULATED OUTPUT C2** 100 µF C1* 0.1 µF GND I Q *Required if regulator is located far from power supply filter. **C2 must be at least 100 µF to maintain stability; it can be increased without bound to maintain regulation during transients and it should be located as close as possible to the regulator. This capacitor must be rated over the same operating temperature range like the regulator. The ESR of this capacitor is critical (see curve). R 2 ADJ + AMS2931 ADJUSTABLE GND C2** 100 µF C1* 0.1 µF OUT OFF ON ON/OFF R 1 28k V OUT V CC R 3 51k VOUT = VREF × ( R1+R2)/R1 Note: Using 27k for R1 will automatically compensate for errors in VOUT due to the input bias current of the Adjust Pin ( approx. 1µA) |
Número de pieza similar - AMS2931 |
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Descripción similar - AMS2931 |
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