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MP8712 Datasheet(PDF) 18 Page - Monolithic Power Systems

Part No. MP8712
Description  High-Efficiency, 12A, 3V-18V, Synchronous Step-Down Converter with Power Good, External Soft Start and OVP
Download  26 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8712 Datasheet(HTML) 18 Page - Monolithic Power Systems

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MP8712 – 18V, 12A, SYNCHRONOUS STEP-DOWN CONVERTER
MP8712 Rev.1.01
www.MonolithicPower.com
18
3/28/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
Figure 4: Internal Bootstrap Charging Circuit
Start-Up and Shutdown
If both VIN, VCC, and EN exceed their
respective thresholds, 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. Several events can shut down the
chip: EN low, VIN low, VCC low, and thermal
shutdown. In the shutdown procedure, the
signaling path is first blocked to prevent any
fault triggering. VEAO and the internal supply rail
are then pulled down.


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