PT1302 Datasheet (PowTech) - High Efficiency Step-up DC/DC Converter

PT1302, High Efficiency Step-up DC/DC Converter

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.

It provides stab le an d high ef ficient ope ratio

PT1302 Features

* 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 Mode Supply Current High efficiency: 92% Fixed switching frequency: 500KHz Options for internal or external power switches MSOP-8