The NCV4949A 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. The NCV4949A has improved reset behavior for lower input and output voltage levels.
特性
优势
Very Low Dropout Voltage Less Than 0.4V
Operates at lower input voltage during cranking.
Integrated Voltage Sense Comparator and Power On Reset
Decrease BOM cost and save space while managing microcontroller power management
Programmable Reset Pulse Delay With External Capacitor
Design flexibility
Integrated Protections: - Thermal Shutdown - Short Circuit Transient Input Voltage Up to 40V
Suitable in harsh automotive environment
5.0V / 100mA High Precision Standby Output Voltage +/- 1% at 25C ambient temperature