Philips UAA1300
Voltage regulator
FEATURES
● Driving circuit for external PNP power transistor with adjustable output voltage via sense path, short-circuit protected● Additional 5 Vl50 rnA output for RAM buffering, short-circuit protected
● Operating voltage range: 5.7 V to 24V
● Reset with adjustable trigger pulse length activated by output voltage <4.6V
● Watchdog with adjustable input trigger window
● Dual polarity reset and watchdog output pulse
● Low line detection adjustable by external resistor ratio
● Enable input to activate watchdog and driving circuit
● Low quiescent current typical: 380~A
● Thermal protection
GENERAL DESCRIPTION
The UAA1300 is a bipolar IC voltage regulator especially designed for use within an automotive environment and also suitable to provide enhanced facilities within many microcontroller applications. The UAA1300 provides two