RT9379 RICHTEK [Richtek Technology Corporation], RT9379 Datasheet - Page 3

• Manufacturer Part Number: RT9379
• Description: 6 Channels 150mA x1/x1.5/x2 Charge Pump White LED Driver
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Functional Pin Description
Absolute Maximum Ratings
Recommended Operating Conditions
DS9379-01 April 2011
17 (Exposed Pad) GND
WQFN-16L 2x3 ------------------------------------------------------------------------------------------------------------ 1.111W
Supply Input Voltage, V
Package Thermal Resistance (Note 2)
WQFN-16L 2x3, θ
WQFN-16L 2x3, θ
Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
Power Dissipation, P
Pin No.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
JA
JC
LED4
LED5
LED6
VOUT
PGND
C2N
C1N
C1P
C2P
EN
VIN
CF
AGND
LED1
LED2
LED3
------------------------------------------------------------------------------------------------------- 90°C/W
------------------------------------------------------------------------------------------------------ 15°C/W
D
Pin Name
@ T
IN
------------------------------------------------------------------------------------------------ −0.3V to 5V
A
= 25°C
Current Sink for LED4. (If not in use, this pin should be connected to VIN)
Current Sink for LED5. (If not in use, this pin should be connected to VIN)
Current Sink for LED6. (If not in use, this pin should be connected to VIN)
Charge Pump Output.
Ground.
Fly Capacitor 2 Negative Connection.
Fly Capacitor 1 Negative Connection.
Fly Capacitor 1 Positive Connection.
Fly Capacitor 2 Positive Connection.
Chip Enable (Active High).
Power Input.
PWM Filter Capacitor Connection, No Connection if this pin is not in use.
Ground.
Current Sink for LED1. (If not in use, this pin should be connected to VIN)
Current Sink for LED2. (If not in use, this pin should be connected to VIN)
Current Sink for LED3. (If not in use, this pin should connected to VIN)
The exposed pad must be soldered to a large PCB and connected to GND for
maximum power dissipation.
(Note 1)
(Note 4)
Pin Function
RT9379
www.richtek.com
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