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MP4031GS 데이터시트(PDF) 16 Page - Monolithic Power Systems

부품명 MP4031GS
상세설명  TRIAC and Analog Dimmable, Primary-Side?밅ontrolled Offline LED Controller with Active PFC
PDF  21 Pages
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제조업체  MPS [Monolithic Power Systems]
홈페이지  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4031GS 데이터시트(HTML) 16 Page - Monolithic Power Systems

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MP4031—PRIMARY-SIDE–CONTROLLED, OFFLINE LED CONTROLLER WITH PFC
MP4031 Rev.1.03
www.MonolithicPower.com
16
5/8/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
approximately as:
p
FB
o
12
A_ DIM
s
p
12
12
I
NV
I
RR
2
VR I
RR
RR
⋅
=⋅
⋅+
⋅
⋅
++
As the equation shows, the output current Io
decreases from max value to min, when VA_DIM
increasing from 0V to 10V.
EMI
Filter
N:1
COMP
GND
D
S
VCC
MULT
MP4031
1
CS /DIM
ZCD
VA_DIM
Interface
circuit
Isolation
circuit
Rs
Ip
Power
supply
0-10V
Dimmer
R1
R2
VCS/DIM
Figure 13: Typical Application Circuit for Analog Dimming



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