Datasheet Summary
FR9887 23V, 2A, 340KHz Synchronous Step-Down DC/DC Converter
Features
High Efficiency up to 95% Low Rds(on) Integrated Power MOSFET Internal pensation Function Wide Input Voltage Range: 4.5V to 23V Adjustable Output Voltage Down to 0.925V 2A Output Current Fixed 340KHz Switching Frequency External Programmable Soft-Start or Internal 600µs Soft-Start PSM (High Efficiency at Light Load) Power Good Indicator Output for Different Circuit Hiccup Short Circuit Protect
TYPICAL APPLICATION CIRCUIT
NAME
BST VIN LX GND FB PG SHDN SS
PIN DESCRIPTION
SOP8
DESCRIPTION
1 High Side Gate Drive Boost
2 Power Supply Input Pin 3 Power Switching Output
4,9 Ground
5 Voltage Feedback Input
6 Power...