The LM5155x ( LM5155 and LM51551 ) device is a wide input range, non-synchronous boost controller that uses peak current mode control.
The device can be used in boost, SEPIC, and flyback topologies.
The LM5155x device can start up from a 1-cell battery with a minimum of 2.97 V if the BIAS pin is con
LM51551 Features
* 1 Functional safety capable
* Documentation available to aid functional safety system design
* Wide Input Operating Range for Battery Applications
* 3.5-V to 45-V Operating Range
* 2.97-V to 16-V When BIAS = VCC
* Minimum Boost Supply Voltage 1.5 V Wh
Datasheet Details
LM51551, LM5155
1.67 MB
2.2-mhz wide input nonsynchronous boost flyback controller.
This datasheet PDF includes multiple part numbers: LM51551, LM5155.
Please refer to the document for exact specifications by model.
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