CAT3643
PIN CONFIGURATION
TDFN 12-lead 3 x 3mm
(Top View)
TQFN 16-lead 3 x 3mm
(Top View)
16 15 14 13
LED2
LED2
1
2
3
4
5
6
12 GND
11 C2+
10 C2-
LED2
1
2
3
4
12 C2-
LED3
NC
11 C2+
10 C1-
LED3
RSET
EN/DIM
VOUT
9
8
7
C1-
C2-
VIN
RSET
9 C1+
5
6
7
8
XQFN 12-lead 2.5 x 2.5mm
(Top View)
12 11 10
C2-
GND
LED1
1
2
3
9
8
7
VIN
VOUT
EN/DIM
4
5
6
The CAT3643 is offered in three different packages.
The 12-lead TDFN 3mm x 3mm with a max height of
0.8mm is pin-compatible to the Catalyst CAT3603
LED driver. The 12-lead XQFN provides the smallest
footprint with a package size of 2.5mm x 2.5mm and
0.4mm max height. The 16-lead TQFN 3mm x 3mm
with max height of 0.8mm is also offered.
Doc. No. 5022, Rev. B
2
© 2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CATALYST [ CATALYST SEMICONDUCTOR ]
