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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MP3378GY 데이터시트(PDF) 12 Page - Monolithic Power Systems |
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MP3378GY 데이터시트(HTML) 12 Page - Monolithic Power Systems |
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12 / 25 page  MP3378 – 4-CHANNEL WLED CONTROLLER PLUS BUCK CONVERTER MP3378 Rev. 1.01 www.MonolithicPower.com 12 5/26/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. FUNCTIONAL BLOCK DIAGRAM Control Logic + - Current-Sense Amplifier + - PWM Comparator Oscillator + - 1.23 V OV Comparator + - + - LED1-4 1 1. 225 V Max Min Feedback Control 6.3 V EA Short-String Protection Regulator OVP ISENSE GND1 VIN1 VCC1 PWM ADIM ISET COMP OSC EN Enable Control Ref GATE Current Control 100 ns Blanking ILIMIT UP_ CLAMP PWM STOP 200 ns Blank Time VIN2 VCC2 AAM SYNC FB BST SW GND2 RSEN LDO On-Time Control Logic Current-Limit Comparator VCC Regulator Rference Error Amplifier HS Driver LS Driver VCC 1 pF 50 pF 400 k AGND Figure 1 —Functional block diagram |
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