MP2307
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
+
--
-- S Q RQ
+ CURRENT PARATOR
2 IN 5V
1 BS
3 SW
BS IN SW GND
1 2 3 4
P 6 EN 7
7V Zener
-2.5V +
+ 1.5V --
EN OK LOCKOUT PARATOR
SHUTDOWN...