SC1652 Datasheet (Semtech Corporation) - MICROPOWER INVERTING DC-DC CONVERTER

SC1652, MICROPOWER INVERTING DC-DC CONVERTER

The SC1652 is a high performance inverting DC-DC converter, designed to drive an external power switch to generate programmable negative voltages.

In the particularly suitable LCD bias contrast application, efficiency of 87% can be achieved with low cost PNP bipolar transistor drivers.

The output vo

SC1652 Features

* 2.4V to 7V input voltage operation

* Adjustable output voltage up to -40V

* Low quiescent current at 80µA

* Pulse frequency modulation maintains high

* efficiency (max 87%) 70kHz to 160kHz switching frequency Power-saving shutdown mode (0