L4949 Datasheet PDF - ON Semiconductor

The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as power−on reset and input voltage sense.

●It is designed for supplying the micro−computer controlled systems especially in automotive applications.

●Features

●• Operating DC Supply Voltage Range 5.0 V to 28 V

●• Transient Supply Voltage Up to 40 V

●• Extremely Low Quiescent Current in Standby Mode

●• High Precision Standby Output Voltage 5.0 V ±1%

●• Output Current Capability Up to 100 mA

●• Very Low Dropout Voltage Less Than 0.4 V

●• Reset Circuit Sensing The Output Voltage

●• Programmable Reset Pulse Delay With External Capacitor

●• Voltage Sense Comparator

●• Thermal Shutdown and Short Circuit Protections

●• NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes

●• Pb−Free Packages are Available