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SOT23 STEPĆDOWN CONTROLLER
TPS64200, TPS64201 TPS64202, TPS64203
SLVS485 − AUGUST 2003
FEATURES
D Step-Down Controller for Applications With
up to 95% Efficiency
D 1.8-V to 6.5-V Operating Input Voltage Range D Adjustable Output Voltage Range From 1.2 V
to VI
D High Efficiency Over a Wide Load Current
Range
D 100% Maximum Duty Cycle for Lowest
Dropout
D Internal Softstart D 20-µA Quiescent Current (Typical) D Overcurrent Protected D Available in a SOT23 Package
APPLICATIONS
D USB Powered Peripherals D Organizers, PDAs, and Handheld PCs
D Low Power DSP Supply D Digital Cameras D Hard Disk Drives D Portable Audio Players
DESCRIPTION
The TPS6420x are nonsynchronous step-down controllers that are ideally suited for systems powered from a 5-V or 3.