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RT4531WSC bảng dữ liệu(PDF) 6 Page - Richtek Technology Corporation

tên linh kiện RT4531WSC
Giải thích chi tiết về linh kiện  Dual Channel 10s2p WLED Drivers
PDF  14 Pages
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nhà sản xuất  RICHTEK [Richtek Technology Corporation]
Trang chủ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4531WSC bảng dữ liệu(HTML) 6 Page - Richtek Technology Corporation

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RT4531
www.richtek.com
DS4531-01
July 2016
©
Copyright
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
Timing Diagram
Timing Diagram1 for 1-wire Continuous Coding
Timing Diagram2 for Shutdown and then Reprogram
PWM
Detection
Window
Programming
Code
> 2.5ms
Shutdown
Detection
Window
Programming
Code
EN
PWM
EN
Tes_delay
Tes_det
>300µs
>400µs
Tes_win
<1.23ms
Tstart
Addr8
= H
Addr7
= L
tH_LB < 2x tH_HB
tL_LB > 2x tL_HB
D1 = L
EOS
3~360µs
Detection Window
Programming Code1
Programming Code2
Tstart
Addr8
= L
SW
ISET
GND
RT4531
VIN
EN
1µF
L
4.7µH
1µF / 50V
VIN
C3
C2
IFB1
C3
A1
A3
Enable
C2
C1
B3
R2
2P10S
WLEDs
2.5V to 5.5V
IFB2
A2
PWM
B1
AGND
B2
R1
10
1µF
C1
63.4k
PWM Dimming



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