AME9001 Datasheet, PDF (19/27 Pages) Analog Microelectronics – CCFL BACKLIGHT CONTROLLER

AME, Inc.
AME9001
CCFL Backlight Controller
Figure 14. OUTA Driver Circuitry
Inside Chip
Vbatt
Outside Chip
BV=5V
BV=4V
BV=7.5V
PWM
SIGNAL
100nS
OUTA
External
PMOS, Q2
100nS
1mA
Figure 15. Fault Logic
V_DD
V_DDOK
All inside the Chip
CE
SSC
BRIGHT
CT1
3.3V
CLK
CSDET
OVP
+
BLANK
-
CHOP
3V
250mV
3.3V
+
CLK
RESB
Q
-
2 BIT
COUNTER
+
RESB
CLK
Q
-
2 BIT
COUNTER
+
-
S ^SET Q
R CLR Q
S ^SET Q
R _CLR Q
FIRST
NORM
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