LM2631
Overview
The LM2631 controller provides all the active functions for step-down (buck) switching converters. These dc-to-dc converters provide core CPU power in battery-operated systems.
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- 4.5V to 30V input range Adjustable output (1.5V to 7V) 200 kHz to 400 kHz adjustable operating frequency Externally synchronizable On-board power good function Precision 1.24V reference output 0.8 mA typical quiescent current 0.1 µA shutdown current Thermal shutdown Direct current limit protection Input undervoltage lockout Output undervoltage shutdown protection Output overvoltage shutdown prot
