SC1628 Datasheet (Semtech Corporation) - HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER

SC1628, HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER

The SC1628 is a high performance step-up DC-DC converter, designed to drive an external power switch to generate programmable positive voltages.

In the particularly suitable LCD contrast bias and flash memory programming power supply applications, typical full load efficiencies are 85% to 95%.

The 4

SC1628 Features

* 4V to 24V input voltage operation

* Adjustable output voltage

* Low quiescent current at 100µA

* Pulse-skipping and pulse-frequency modulation

* maintain high efficiency (max. 95%) 90kHz to 250kHz oscillator frequency Power-saving shutdow