PT1302 converter equivalent, high efficiency step-up dc/dc converter.
z z z z z z z Low Qu iescent (Switch-off) Supp ly Current: 25μA High Supp ly Cap ability: Deliver 5V 800mA with lithium cell/ 3.3V 800mA with 2Alkaline Cell Zero Shutdown.
The PT1302 i s a c ompact, high e fficiency, and low voltage st ep-up DC/DC co nverter with an Ad aptive Current M ode P WM co ntrol l oop. It com prises of an error amplifier, a ramp generator, a PWM comparator, a switch pass el ement an d driv er. .
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