TPS61390 Datasheet (Texas Instruments)

TPS61390, Boost Converter

The TPS61390 is a 700-kHz pulse-width modulating (PWM) step-up converter with an 85-V switch FET with an input ranging from 2.5 V to 5.5 V.

The switching peak current is up to 1000 mA.

The TPS61390 includes accurate current mirror with two gain options selectable (1 : 5 or 4 : 5).

Additionally, the

TPS61390 Features

* 1 Input voltage range: 2.5 V to 5.5 V

* Output voltage range: up to 85 V

* R(DS)on of switching FET: 0.9 Ω

* Switch current limit: 1000 mA

* Sample window with minimum 400-ns

* High optical power protection with 0.5-µs response time

* Switchin