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MV1002SC の電気的特性と機能

MV1002SCのメーカーはSHINDENGENです、この部品の機能は「LED Driver IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 MV1002SC
部品説明 LED Driver IC
メーカ SHINDENGEN
ロゴ SHINDENGEN ロゴ 




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MV1002SC Datasheet, MV1002SC PDF,ピン配置, 機能
LED driver IC
CAT.No.1A0202-2E
MV1002SC
Application Note
Version 2.1

1 Page





MV1002SC pdf, ピン配列
MV1002SC
Contents
1. Overview........................................................................................................................................................................ 4
1.1 Features................................................................................................................................................................... 4
1.2 Block diagram .......................................................................................................................................................... 4
1.3 Pin assignment ........................................................................................................................................................ 5
1.4 Pin functions ............................................................................................................................................................ 5
2. Explanation of basic operations..................................................................................................................................... 6
2.1 Starting sequence .................................................................................................................................................... 7
3. Component selection procedure and calculation method .............................................................................................. 8
3.1 Basic circuit configuration ........................................................................................................................................ 8
3.2 Component selection ............................................................................................................................................... 9
3.2.1 MOSFET (Q1) ............................................................................................................................................ 9-10
3.2.2 Fly-wheel diode (D1) ..................................................................................................................................... 10
3.2.3 Current detection resistor (R1 and R2).......................................................................................................... 10
3.2.4 Inductor (L1) .................................................................................................................................................. 11
3.2.5 Gate drive circuit (R4, R9, and D2)................................................................................................................ 11
3.2.6 Resistors for Svin and Svout pins(R5, R6, R7 and R8) ................................................................................. 12
3.2.7 CS pin filter (R3 and C4) ............................................................................................................................... 12
3.2.8 Vcc pin smoothing capacitor (C3).................................................................................................................. 13
3.2.9 REF pin capacitor (C5) .................................................................................................................................. 13
3.2.10 Svin pin capacitor (C9) .................................................................................................................................. 13
3.2.11 Resonant capacitor (Cr) ................................................................................................................................ 13
3.2.12 Input capacitor (C1) and Output capacitor (C2)............................................................................................. 13
3.2.13 Svout pin capacitor (C8) ........................................................................................................................... 13-14
3.3 Winding voltage supply .......................................................................................................................................... 15
3.3.1 Configuration of a winding voltage supply ..................................................................................................... 15
3.3.2 Selecting the auxiliary winding (Nc)............................................................................................................... 15
3.3.3 Selecting the auxiliary winding rectifier diode (D3) ................................................................................... 15-16
3.3.4 LED open-circuit protection using auxiliary winding....................................................................................... 16
4. Cautions on pattern designing ..................................................................................................................................... 17
4.1 Cautions................................................................................................................................................................. 17
4.2 PCB pattern example............................................................................................................................................. 18
CAT.No.1A0202-2E
2


3Pages


MV1002SC 電子部品, 半導体
1.3 Pin assignment
MV1002SC
1.4 Pin functions
Pin No.
1
2
3
4
5
6
7
8
Symbol
Name
Svout Zero current detection pin
Svin Zero current reference pin
CS Current sense pin
GND Ground pin
Gate The output pin for main a MOSFET drive
Vcc IC power supply pin
REF Dimming pin
N/C No Connect
CAT.No.1A0202-2E
5
Package : SOP8J

6 Page



ページ 合計 : 30 ページ
 
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部品番号部品説明メーカ
MV1002SC

LED Driver IC

SHINDENGEN
SHINDENGEN


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