CAT3604 Datasheet, PDF (2/11 Pages) Catalyst Semiconductor – 4-Channel Regulated Charge Pump White LED Driver

CAT3604
ORDERING INFORMATION
Part Number
Package
Quantity per Reel
CAT3604HS4-TE13
CAT3604HV4-TE13
Thin QFN-16 4x4mm
Thin QFN-16 4x4mm
Lead Free
2000
2000
PIN CONFIGURATION
Top View
EN 1
LED1 LED2 LED3 LED4
16 15 14 13
12 GND
Package Marking
C364
G364
CTR0 2
CTR1 3
GND
11 C2+
10 C2-
CTR2 4
9 C1-
5
6
7
8
RSET VOUT VIN C1+
16-lead Thin QFN (4mm x 4mm)
Note: The package exposed pad is electrically connected inside the package to GND and to pin 12.
PIN DESCRIPTIONS
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pad
Name
EN
CTR0
CTR1
CTR2
RSET
VOUT
VIN
C1+
C1-
C2-
C2+
GND
LED4
LED3
LED2
LED1
GND Pad
Function
Enable input, active HIGH
Digital control input 0
Digital control input 1
Digital control input 2
The LED output current is set by the current sourced out of the RSET pin
Charge pump output connected to the LED anodes
Supply voltage
Bucket capacitor 1 terminal
Bucket capacitor 1 terminal
Bucket capacitor 2 terminal
Bucket capacitor 2 terminal
Ground reference
LED 4 cathode terminal
LED 3 cathode terminal
LED 2 cathode terminal
LED 1 cathode terminal
Ground reference
Doc. No. 5008, Rev. I
© 2005 by Catalyst Semiconductor, Inc.
2
Characteristics subject to change without notice