® SPX2954
250mA Low Dropout Voltage
Regulator
FEATURES
■ 5.
0V and 3.
3V Versions at 250mA Output
■ Accurate 0.
5% for SPX2954A ■ Very Low Quiescent Current ■ Low Dropout: 310mV at 250mA ■ Extremely Tight Load and Line Regulation ■ Very Low Temperature Coefficient ■ Current and Thermal Limiting ■ Need only 1µF for Stability ■ Direct Replacement for LP2954 ■ Offered in TO-92, TO-263, SOT-223, &
TO-220; also SOIC--8 Pin Versions Only
+V IN
100K ERROR OUTPUT
5 ______ ERROR
8 +V IN
1 V OUT
SPX2954
SHUTDOWN INPUT
3 SD GND
4
FB 7
1.
23V
1.
2 to 30V
+ R1 3.
3µF
.
01µF
VREF
R2
■ Error Flag Warns of Output Dropout
■ Logic-Controlled Electronic Shutdown
■ Programmable Output from 1.
24V to 30...