MAX8729EEI+T Maxim Integrated Products, MAX8729EEI+T Datasheet - Page 13

• Manufacturer Part Number: MAX8729EEI+T
• Description: Display Drivers Constant-Frequency H alf-Bridge CCFL Inve
• Manufacturer: Maxim Integrated Products

Specifications of MAX8729EEI+T

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. Functional Diagram
DPWM
COMP
CNTL
ISEC
GND
TFLT
V
VFB
SEL
IFB
CC
IN
F.W. RECT
2.3V
OVERVOLTAGE
COMPARATOR
______________________________________________________________________________________
790mV
1.25V
SECONDARY OVERCURRENT
CURRENT
OVER-
DIMMING CONTROL
100µA
COMPARATOR
Constant-Frequency, Half-Bridge CCFL
COMPARATOR
OPEN-LAMP
LOGIC
790mV
CURRENT
OVER-
1.2mA
REGULATOR
LINEAR
AMPLIFIER
ERROR
RAMP
FAULT-DELAY
BLOCK
COMPARATOR
PWM
4.2V
SHDN
UVLO
SUPPLY
COMPARATOR
BIAS
UVLO
EN
RESET
PWM CONTROL
OVERCURRENT
AND ZERO
CROSSING
PRIMARY
LOGIC
S
R
LATCH
FAULT
Q
Inverter Controller
SELECT
GATE-DRIVER
FLT
CONTROL
MACHINE
STATE
MUX
FLT
UVLO
LX
IN
MAX8729
PLL AND
SELECT
PHASE
DPWM
HIGH-
FREQ
OSC
OSC
SHDN
PS1
PS2
PSCK
HSYNC
HFCK
HF
LSYNC
LFCK
LF
PCOMP
BST
GH
LX
V
GL
PGND
DD
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