MB3829 Overview
System Power Supply IC for Mobile Telephone 48-PIN PLASTIC LQFP (FPT-48P-M05) This power supply IC incorporates a 4 - channel series regulator and a battery backup function. It is a multi - function power supply IC with an output control function and momentary power - loss detection circuit, which are both required for mobile telephones. It also incorporates a speaker amplifier and a buzzer driver.
MB3829 Key Features
- channel low
- saturation voltage type series regulator Battery backup function Momentary power
- loss and power
- restoration functions ON/OFF switch circuit with an operating error prevention function BTL amplifier for driving the sp
- 3 20 W typ. for channel 4
- loss detection and power restoration section Pin for connecting momentary power
- loss evaluation time setup capacitor Pin for connecting momentary power
- loss evaluation time setup capacitor and resistor Pin for momentary power