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RT9396 데이터시트(PDF) 2 Page - Richtek Technology Corporation

부품명 RT9396
상세설명  I2C Interface PMIC with 6-Channel WLED Driver and 4-LDO
PDF  17 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9396 데이터시트(HTML) 2 Page - Richtek Technology Corporation

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RT9396
2
DS9396-01 April 2011
www.richtek.com
Typical Application Circuit
Timing Diagram
Marking Information
JP= : Product Code
YMDNN : Date Code
JP=YM
DNN
Figure 1. Timing Diagram
C2N
LED4
COUT
VIN
C1P C1N C2P
RT9396
EN
VOUT
LED3
LED2
LED1
CFLY2
1µF
CFLY1
1µF
CIN1
2.2µF
15
4
7
24
3
2
5
23
22
21
20
1µF
19
LED5
LED6 18
VBAT
WLED
CL1
LDO1 12
1µF
CL2
LDO2 11
1µF
AGND
6
CL3
LDO3 10
1µF
CL4
LDO4 9
1µF
Chip Enable
SCL
17
SDA
16
I
2C
PWM
14
PWM
LDOIN
CIN2
2.2µF
8
13
CF
1µF
CF
PGND
1
Time (s)
TSHD = 16ms
0
Main ILED[1:6]
00000000
01111101
Fade in/out time = 8ms/step, ILED[1~6] = 62/64 x 25mA
Main BL
Current Level
Internal
PWMEN Reg.
I
2C
Reg. Addr.
PWM Pin
010
LED<1:6>
On/Off
PWM Dimming
THi > 0.5µs
0.5µs < TLO < 500µs
PWM control Backlight
00000000
I
2C
Reg. Data
01011111
6CH PWM Mode
Note:
PWM signal rise after
internal PWMEN is
enabled
ILED[1~6] Current =
62/64 x 25mA x PWM Duty
Fade in
time



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