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MP4034GS Datasheet(PDF) 8 Page - Monolithic Power Systems |
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MP4034GS Datasheet(HTML) 8 Page - Monolithic Power Systems |
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8 / 19 page ![]() MP4034 – OFFLINE LED DRIVER MP4034 Rev. 1.02 www.MonolithicPower.com 8 12/4/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. PIN FUNCTIONS SOIC8-7A Pin # Name Description 1 VCC Supply. An internal high-voltage current source charges VCC voltage to VCCH to start the IC. The internal high-voltage current source will also turn on when VCC falls below VCCL to charge VCC. Connect a 0.1µF ceramic decoupling capacitor as close as possible to this pin. 3 FB Feedback. Controls the OVP function. If VFB=4.0V, the first-level OVP triggers and output voltage remains constant. If VFB=6.35V, the second-level OVP triggers, switch immediately shuts off, and IC restarts. 2, 4, 5, 6 GND Ground. 8 Drain Internal MOSFET Drain. Input for the startup high-voltage current source. |
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