MP2499M – 36V, 3A MAX, SYNCHRONOUS BUCK CONVERTER

MP2499M Rev 1.0

www.MonolithicPower.com

13

5/1/2018

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Figure 5: Internal Bootstrap Charging Circuit

Start-Up and Shutdown

respectively, the chip starts up. The reference

block starts first, generating stable reference

voltages and currents, and then the internal

regulator is enabled. The regulator provides a

stable supply for the remaining circuitries.

Three events can shut down the chip: EN/SYNC

shutdown

procedure,

the

signaling

path

is

blocked first to avoid any fault triggering. The EA

down. The floating driver is not subject to this

shutdown command.