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MP3386EY 数据表(PDF) 8 Page - Monolithic Power Systems |
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MP3386EY 数据表(HTML) 8 Page - Monolithic Power Systems |
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8 / 14 page ![]() MP3386- 50V, 6 STRINGS WHITE LED DRIVERS MP3386 Rev. 1.0 www.MonolithicPower.com 8 1/19/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2012 MPS. All Rights Reserved. FUNCTION DIAGRAM Control Logic + - Current Sense Amplifier + - PWM Comparator Oscillator + - 1.23V OV Comparator + - + - LED1 + - DPWM Oscillator DPWM Comparator 400k? 1.2V 0.2V Current Control 1.21V Max Min Feedback Control 5.5V EA LED OV Comparator Short String Protection Regulator LED6 OVP PGND GND VIN VCC SW PWMO PWMI FSET ISET COMP OSC VFAULT EN Enable Control 600mV VOUT Figure 1—MP3386 Function Diagram |
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