ON L4949N

正28V100mA

Overview

The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as reset and an uncommitted voltage sense comparator. It is designed for supplying microcontroller/microprocessor controlled systems particularly 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 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 • Voltage Sense Comparator • Thermal Shutdown and Short Circuit Protections • NCV Prefix for Automotive and Other Applications Requiring Site and Change Control • These are Pb−Free Devices

Features

Tube Package
300mV dropout voltage
RAIL method of packing

5 mA Current - Supply (Max)

Applications

There are a lot of ON Semiconductor
L4949N Linear Voltage Regulators applications.

• Battery-powered device
• Communication device
• Personal communication device
• Portable telephone
• Electronic notebook
• Camera
• Video equipment
• CPU power supply
• Switching regulator
• Multiple-power supply system