RT9363A RICHTEK [Richtek Technology Corporation], RT9363A Datasheet - Page 3

• Manufacturer Part Number: RT9363A
• Description: 3 Channels 90mA x1/x2 Charge Pump White LED Driver
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Timing Diagram
Functional Pin Description
DS9363A-03 April 2011
11 (Exposed Pad)
Pin No.
10
6,
1
2
3
4
5
7
8
9
ILEDX
Shutdown
LED3
LED2
LED1
CN
CP
GND
VIN
VOUT
ISET
EN
Pin Name
EN
30us < T
0
100%
READY
Current Sink for LED3. (If not in use, this pin must be connected to V
Current Sink for LED2. (If not in use, this pin must be connected to V
Current Sink for LED1. (If not in use, this pin must be connected to V
Negative Terminal of Bucket Capacitor.
Positive Terminal of Bucket Capacitor.
Ground. The exposed pad must be soldered to a large PCB and connected to
GND for maximum power dissipation.
Input Voltage.
Output Voltage Source for LED1~3.
LED Current Adjust Input.
Chip Enable (Active High).
1
15/16 14/16
0.5us < T
Figure 5. Pulse Dimming Waveform
2
3
13/16 12/16
HI
0.5us < T
4
5
LO
< 500us
14
2/16
15
1/16
Pin Function
0
100%
1
2ms < T
15/16
SHDN
Shutdown
RT9363A
www.richtek.com
IN
IN
IN
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