TC105 controller equivalent, pfm/pwm step-down dc/dc controller.
* 57A (Typ) Supply Current
* 1A Output Current
* 0.5A Shutdown Mode
* 300kHz Switching Frequency for Small Inductor
Size
* Programmable Soft-Start <.
* Palmtops
* Battery-Operated Systems
* Portable Instruments
* Positive LCD Bias Generators
* Portab.
The TC105 is a step-down (Buck) switching controller that furnishes output currents of up to 1A (max) while delivering a typical efficiency of 92%. The TC105 normally operates in pulse width modulation mode (PWM), but automatically switches to pulse .
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