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DS3991Z+PP/V
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
DS3991
Low-Cost CCFL Contr
oller
______________________________________________________________________________________
13
INVERTER SUPPL
Y VOL
T
AGE
(5V
±
10% TO 24V
±
10%)
SVML
SVMH
VCC
DEVICE
SUPPL
Y VOL
TAGE
(5V
±
10%)
VCC
VCC
BRIGHT
ANALOG LAMP
BRIGHTNESS CONTROL
LOSC
POSC/PWM
RESISTOR SET
LAMP FREQUENCY
PWM LAMP BRIGHTNESS
CONTROL (OPTIONAL)
RESISTOR SET
BURST
-DIMMING FREQUENCY
PWM_EN
SLOPE
VCC
GB
OVD
LCM
GND
GA
CCFL
LAMP
DUAL POWER MOSFET
TRANSFORMER
OVERVOL
TAGE DETECTION
LAMP CURRENT MONITOR
DS3991
ON = OPEN
OFF/RESET = CLOSED
T
ypical Operating Circuits (continued)
Typical Half-Bridge Application
DS3991
Low-Cost CCFL Contr
oller
14
______________________________________________________________________________________
INVERTER SUPPL
Y VOL
T
AGE
(5V
±
10% TO 24V
±
10%)
ON = OPEN
OFF/RESET = CLOSED
GB
OVD
LCM
SVML
GA
CCFL
LAMP
A
CCFL
LAMP
B
CCFL
LAMP
C
DUAL POWER MOSFET
2N3904
+5V
VCC
DEVICE
SUPPL
Y VOL
T
AGE
(5V
±
10%)
VCC
VCC
BRIGHT
ANALOG LAMP
BRIGHTNESS
CONTROL
LOSC
POSC/PWM
RESISTOR SET
LAMP FREQUENCY
RESISTOR SET
BURST
-DIMMING
FREQUENCY
GND
SVMH
VCC
2N3904
+5V
2N3904
+5V
PWM_EN
SLOPE
DS3991
T
ypical Operating Circuits (continued)
Typical Push-Pull Application, Multiple Lamps Per Channel
DS3991
Low-Cost CCFL Contr
oller
______________________________________________________________________________________
15
INVERTER SUPPL
Y VOL
T
AGE
(5V
±
10% TO 24V
±
10%)
ON = OPEN
OFF/RESET = CLOSED
GB
OVD
LCM
SVML
GA
CCFL
LAMP
A
CCFL
LAMP
B
CCFL
LAMP
C
DUAL POWER MOSFET
2N3904
+5V
VCC
DEVICE
SUPPL
Y VOL
T
AGE
(5V
±
10%)
VCC
VCC
BRIGHT
ANALOG LAMP
BRIGHTNESS
CONTROL
LOSC
POSC/PWM
RESISTOR SET
LAMP FREQUENCY
RESISTOR SET
BURST
-DIMMING
FREQUENCY
GND
SVMH
VCC
2N3904
+5V
2N3904
+5V
PWM_EN
SLOPE
DS3991
T
ypical Operating Circuits (continued)
Typical Half-Bridge Application, Multiple Lamps Per Channel
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
DS3991Z+PP/V
Mfr. #:
Buy DS3991Z+PP/V
Manufacturer:
Maxim Integrated
Description:
Display Drivers & Controllers CCFL Controller
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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DS3991Z+HB
DS3991Z+PP
DS3991Z+PP/V
