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UC3380 Unisonic Technologies PWM STEP UP DC-DC CONTROLLER Datasheet


Unisonic Technologies
UC3380
Part Number UC3380
Manufacturer Unisonic Technologies
Description The UC3380 is PWM step up DC-DC switching controller that operates from 0.9V. The low start up input voltage makes UC3380 specially designed for powering portable equipment from one or two cells battery packs. This device consist of a soft start circuit, a reference voltage source, an error amplifi...
Features a voltage mode PWM control loop, providing stable and high efficiency operation over a broad load current range. „ FEATURES * 0.9V Low Start-Up Input Voltage at 1mA Load * Low Operation Current * 0.5uA Low Shutdown Current * Fix Frequency PWM at 300KHZ * Built in PWM Switching Control Circuit ,Duty Ratio is 0~78% * Output Voltage:0.1V Step Setting is Available Between 2.0V and 6.5V * Soft Start Time: 3ms * Shutdown Function „ APPLICATIONS *Portable Devices *Electronic Games *Portable Audio (MP3) *Personal Digital Assistant (PDA) *Digital still Cameras(DSC) *Camcorders *White LED Driver *Si...

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