ISL6884 Datasheet, PDF (4/13 Pages) Intersil Corporation – CCFL Brightness Controller

ISL6884
ISL6884 Application Schematic
Use these parts
to adjust the
internal DPWM
oscillator
frequency
external
hardware
enable
3300
1uF
2200
0.47uF
73.2K
This is the LPF for
the DPWM PLL
0.1uF
LAMPON
output from
ISL6882
LAMP_ON
TESTEN
GNDPLL
PLL1
EN
DPWM_SYNC
OSCTEST
SCL
SDA
GND
1
20
2
19
3
18
4
17
5
16
6 ^ISL6884 15
7
14
8
13
9
12
10
11
VDD
REGCAP
DPWM_8
DPWM_7
DPWM_6
DPWM_5
DPWM_4
DPWM_3
DPWM_2
DPWM_1
VDD
to DPWM
dimming
inputs to
up to 8
ISL6882
to the system master,
other I2C devices and
pull up resisters
1uF
1uF _0.01uF
external signal to
sync DPWM
4
FN9265.0
March 9, 2006