LP2985LV Datasheet, PDF (5/15 Pages) National Semiconductor (TI) – Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications

functional block diagram
ON/OFF
BYPASS
LP2985LV
150ĆmA LOWĆNOISE, LOWĆDROPOUT REGULATOR
WITH SHUTDOWN FOR OUTPUT VOLTAGES <2.3 V
SLVS552 − OCTOBER 2004
VIN
VREF
1.23 V _−
+
Over-Current/
Over-Temperature
Protection
VOUT
basic application circuit
VIN
GND
1 µF^†
LP2985A−xxDBVR
1
5
2
2.2 µF^†
VOUT
ON/OFF^}
3
4
BYPASS
10 nF^w
† _{Minimum COUT value for stability (can be increased without limit for improved stability and transient response)}
‡ _{ON/OFF must be actively terminated. Connect to VIN if shutdown feature is not used.}
§ _{Optional BYPASS capacitor for low noise operation}
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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