MAX753ESE+ Maxim Integrated Products, MAX753ESE+ Datasheet - Page 10

• Manufacturer Part Number: MAX753ESE+
• Description: IC CNTRLR CONTRAST 16-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX753ESE+

• Display Type: CCFL - Cold Cathode Fluorescent Lamp
• Current - Supply: 500µA
• Voltage - Supply: 4 V ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Configuration: -
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Details

CCFL Backlight and
LCD Contrast Controllers
Table 2. CCFL Circuit Design Example (Note 1)
Note 1:
Note 2:
Note 3:
10
CCFL Specifications
LCD Contrast Voltage Specifications
Royer Specifications
MAX754 Specifications
CCFL Circuit Calculations
LCD Circuit Calculations
Application Circuit Operating Range
Strike Voltage (V
Discharging Tube Current (I
Discharging Tube Voltage (V
Bias Voltage
Output Current
T1 Turns Ratio (Sec/Pri) (Note 2)
T1 Resonating Inductance (Note 2)
C9 Value (Note 3)
C10 Value
Royer Frequency
Reference Voltage
Second Volts Constant
R8 Current-Sensing Resistor
Secondary Voltage Phase vs. Tube Voltage
T1 Center-Tap Peak Voltage
Secondary Limit Voltage
T1 Center-Tap Limit Peak Voltage
R5/R6
V
L2 Inductance
L2 Peak Currrent
R4/R3
Input Voltage
IN(min)
______________________________________________________________________________________
Full-Load Switching Period
To perform your own calculations for the parameters given in Table 2 (Design Example), use the equations given in Table
3 (Design Equations).
T1 = Sumida’s EPS207
C9 = Wima’s SMD 7.3 __/63
PARAMETER
S
)
L
L
)
)
R
R
V
I
SYMBOL
LAMP,RMS
LCD,RATIO
LAMP,RMS
OTP,RATIO
V
V
L
C
C
V
TAP,PK
V
S,RMS
I
V
T
LCD
MAG
phi
V
R8
LCD
sV
L2
RES
BAL
REF
LIM
w
n
FL
IN
0.001376
0.000008
5.978103
1.96E-05
0.0245
1100
16.3
MIN
-1.1776341
317820.86
555.36037
9.3903817
11.164844
0.1341944
0.0398724
1.639E-06
0.000045
2.2E-07
1.5E-11
1350
TYP
1.25
435
171
1.22704
2.4E-05
2.4E-05
0.005
MAX
1500
32.6
18
Radian
UNITS
V
V
V
A
V
V
rad/s
Ω/Ω
Ω/Ω
PEAK
PEAK
RMS
RMS
RMS
sV
RMS
A
H
Ω
H
A
V
F
F
V
s
V