LM5176 55-V Wide VIN Synchronous 4-switch Buck-boost Controller

1 Features

Functional Safety-Capable
- Documentation available to aid functional safety system design
Single inductor buck-boost controller for step-up/step-down DC/DC conversion
Wide V_IN: 4.2 V (2.5 V with bias) to 55 V (60 V maximum)
Flexible V_OUT: 0.8 V to 55 V
V_OUT short protection
High efficiency buck-boost transition
Adjustable switching frequency
Optional frequency sync and dithering
Integrated 2-A MOSFET gate drivers
Cycle-by-cycle current limit and optional hiccup
Optional input or output average current limiting
Programmable input UVLO and soft start
Power Good and output overvoltage protection
Available in HTSSOP-28 and QFN-28 packages
Create a custom design using the LM5176 with the WEBENCH Power Designer