LM5157 - Boost/SEPIC/Flyback Converter
The LM5157 device is a wide input range, nonsynchronous boost converter with integrated 50-V power switch.
The device can be used in boost, SEPIC, and flyback topologies.
The device can start up from a single-cell battery with a minimum of 2.9 V.
It can operate with an input supply voltage as low
LM5157 Features
* Suited for wide operating range for battery applications
* 2.9-V to 45-V input operating range
* 48-V maximum output (50-V abs max)
* Minimum boost supply voltage of 1.5 V when BIAS ≥ 2.9 V
* Input transient protection up to 50 V
* Minimized battery
