U U
LTC3830/LTC3830-1
High Power Step-Down Synchronous DC/DC Controllers
for Low Voltage Operation
FEATURES
■ High Power Switching
Regulator Controller for 3.
3V-5V to 1.
xV-3.
xV Step-Down Applications
■ No Current Sense Resistor Required ■ Low Input Supply Voltage Range: 3V to 8V ■ Maximum Duty Cycle 91% Over Temperature ■ All N-Channel External MOSFETs ■ Excellent Output Regulation: ±1% Over Line, Load
and Temperature Variations ■ High Efficiency: Over 95% Possible ■ Adjustable or Fixed 3.
3V Output (16-Pin Version) ■ Programmable Fixed Frequency Operation: 100kHz to
500kHz ■ External Clock Synchronization ■ Soft-Start (16-Pin Version and LTC3830-1) ■ Low Shutdown Current: 10µA ■ Overtem...