MAX8759 Maxim Integrated Products, MAX8759 Datasheet - Page 14

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MAX8759

Manufacturer Part Number
MAX8759
Description
CCFL Backlight Controller
Manufacturer
Maxim Integrated Products
Datasheet

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Figure 2. MAX8759 Functional Diagram
Low-Cost, SMBus, CCFL Backlight Controller
14
PWMO
COMP
BATT
VALS
PWMI
GND
ISEC
V
FREQ
IFB1
IFB2
SDA
VFB
SCL
CC
ALS
______________________________________________________________________________________
2.3V
40kΩ
FW
DWPM
SMBus
FW
PWM
OSC
ADC
ADC
ALS
OV
COMP
OC
1.21V
V
RDY
MAX
REF
REGULATOR
BRIGHTNESS
LINEAR
COUNTER
CONTROL
1000µA
8-BIT
COMP
OC
ERROR
AMP
OC
BIAS
Z
DPWM
COMP
X
600mV
100µA
4.3V
MIN
EN
S
R
R
S
DPWM
LATCH
Q
OPEN-LAMP
Q
COMPARATOR
COMP
UVLO
RDY
BATT
V
CC
COMP
PWM
135µA
1µA
COMP
ILIM
230mV
VFB
4V
400mV
ZX
COMP
UV
DELAY BLOCK
ZERO-CROSS
DETECTIONS
AND
R
S
TON FF
TON
MIN
MAX8759
Q
Q
LX_
S
R
LATCH
FAULT
GATE-DRIVER
CONTROL
MACHINE
STATE
Q
MUX
SHUTDOWN
DH
DH
DL
DL
BST1
GH1
LX1
BST2
GH2
LX2
VDD
GL1
PGND2
GL2
PGND1
DEL
TFLT

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