Datasheet Summary
SMD Type
Integrate Circuit
3A, 23V, 340KHz Synchronous Rectified Step-Down Converter
- Features
- 3A Continuous Output Current, 4A Peak Output Current
- Wide 4.75V to 23V Operating Input Range
- Integrated 100mΩ Power MOSFET Switches
- Output Adjustable from 0.925V to 20V
- Up to 95% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 340KHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
SOP-8
- Functional Block Diagram
FB 5
+ 1.1V --
+ 0.3V --
OVP RAMP
OSCILLATOR CLK
110/340KHz
SS 8
0.925V
-+ +
ERROR AMPLIFIER
CURRENT SENSE
AMPLIFIER
+
--...
