SPX2945
FEATURES
- Output 3.3V, 5.0V at 400m A Output
- Very Low Quiescent Current, 100µA
- Low Dropout Voltage, 420m V at 400m A
- Extremely Tight Load and Line Regulation
- Very Low Temperature Coefficient
- Current & Thermal Limiting
- Error Flag Warns Of Output Dropout
- Logic-Controlled Electronic Shutdown
- Output Programmable From 1.24V to 20V (for SO-8)
VIN IN OUT
ON SHUTDOWN INPUT OFF +VIN 100K 8 +VIN VOUT + 7 R1 0.01µF 10µF 1 1.2V to 20V
3 SD GND 4
______ ERROR
ERROR 5 R2 VREF OUTPUT
Adjustable Regulator
5V
+ 0.1 µF GND + 2.2 µF
5V Regulator Circuit
DESCRIPTION
The SPX2945 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 puters. The SPX2945 features very low quiescent current (100µA Typ.) and very low dropout voltage. This includes a tight initial tolerance of 1% max and very low output temperature coefficient, making the SPX2945 useful...
