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RT4532WSC 데이터시트(PDF) 6 Page - Richtek Technology Corporation

부품명 RT4532WSC
상세설명  High Efficiency Backlight LED Driver
PDF  12 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4532WSC 데이터시트(HTML) 6 Page - Richtek Technology Corporation

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RT4532
www.richtek.com
DS4532-01 August 2015
©
Copyright 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
Timing Diagram
Power Sequence
PWM
EN
I(LED)
Reg0x04 = FF
As Reg Default
Reg0x04 =
00
Reg0x02 = C7
PWM Enable
I(MAX)
I(MIN)
0
Duty =50%
I(MAX)/2
Note : PWM prd : count by OSC : 17.6MegHz
> 1024 : Resolution = 7bits & < 1000 : Resolution = 8bits
Count 2^17
Clock
Count 2^17
Clock
0
Reg0x02<0> = 0
DEV_EN Disable
EN
VOUT
VIN
2.5V to 5.5V
L
3
RT4532
LX
10
8, 11 (Exposed Pad)
2
9
VIN
FB1
FB2 6
7
COUT
1µF
VOUT
10µH
CIN
10µF
PWM
1
SCL
4
SDA
5
Enable
GND
x 6



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