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
