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MAX9217/MAX9218 Serializer/Deserializer Receives EE Times Ultimate Products Award







Maxim > Solutions > Displays: LCD

CCFL Inverters with Analog Dimming Interface

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Evaluation Kit for the MAX8785A
MAX8785AEVKIT

QV  PDF Evaluation Kit for the MAX5494–MAX5499
MAX5498EVKIT

QV  PDF Low-Cost CCFL Controller
DS3991

Full-Featured Single-Channel CCFL Controller
QV  PDF Low-Cost CCFL Backlight Controller
MAX8722C

High-Efficiency, IC-Optimized CCFL Controller for Portable Applications
QV  PDF Full-Bridge CCFL Controller for Piezoelectric Transformers
MAX8785A

Full-Bridge CCFL Controller for Piezoelectric Transformer-Based Backlight Power Supplies
QV  PDF Fixed-Frequency, Full-Bridge CCFL Inverter Controller
MAX8751

QV  PDF Constant-Frequency, Half-Bridge CCFL Inverter Controller
MAX8729

QV  PDF 4-Channel Cold-Cathode Fluorescent Lamp Controller
DS3984

QV  PDF 10-Bit, Dual, Nonvolatile, Linear-Taper Digital Potentiometers
MAX5494, MAX5495, MAX5496, MAX5497, MAX5498, MAX5499

QV  PDF Two-Channel, Push-Pull CCFL Controller
DS3992

Provides Superior Lamp Current Balance Compared to Single-Channel Solutions
QV  PDF 4-Channel Cold-Cathode Fluorescent Lamp Controller
DS3994

Allows the Implementation of Scanning Backlight Schemes Using Only One CCFL Controller IC
QV  PDF Dual-Channel Automotive CCFL Controller
DS3882

Low Component Count, Feature-Rich, Automotive Inverter Solution
QV  PDF Single-Channel, Automotive CCFL Controller
DS3881

Low Component Count, Feature-Rich, Automotive Inverter Solution
QV  PDF High-Efficiency, Wide Brightness Range, CCFL Backlight Controllers
MAX1895, MAX1995

QV  PDF Wide-Brightness-Range CCFL Backlight Controllers
MAX1739, MAX1839

Industry's-First Completely Integrated CCFL Inverter Controller with Wide Dimming Range, High Performance, and Complete Fault Protection Features



Key Specifications:  CCFL Controllers
Part Number Features VIN
(V)
VIN
(V)
Topology Channels Dimming Interface Freq. EV Kit Industry Qualified Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
min max max w/pins
DS3991  All N-FET Drive 4.5 24
Half-Bridge
Push-Pull
1
Analog
DPWM
Fixed PWM No -
SOIC(N)/16
61.9 -40 to +85
DS3992 
All N-FET Drive
Lamp Fault Output
4.5 5.5 Push-Pull 2
Analog
DPWM
Fixed PWM No -
SOIC(N)/16
61.9 -40 to +85
DS3994 
All N-FET Drive
Lamp Fault Output
Master-Slave Function
Status Registers
Synchonizable
User EEPROM
4.5 5.5 Push-Pull 4
Analog
DPWM
I2C
SMBus
Fixed PWM No -
See Data Sheet/
- -40 to +85
DS3881 
All N-FET Drive
Lamp Fault Output
Master-Slave Function
Spread-Spectrum Clock
Status Registers
Synchonizable
User EEPROM
4.75 5.25 Push-Pull 1
Analog
DPWM
I2C
SMBus
Fixed PWM Yes Automotive - General
TSSOP/24
52.4 -40 to +105
DS3882 
All N-FET Drive
Lamp Fault Output
Master-Slave Function
Spread-Spectrum Clock
Status Registers
Synchonizable
User EEPROM
4.75 5.25 Push-Pull 2
Analog
DPWM
I2C
SMBus
Fixed PWM Yes Automotive - General
TSSOP/28
64.7 -40 to +105
MAX8722C 
All N-FET Drive
Synchonizable
4.6 28 Full-Bridge 1
Analog
DPWM
Resonant Yes -
QSOP/24
54.2 -40 to +85
MAX8729 
All N-FET Drive
Master-Slave Function
6 28 Half-Bridge 1
Analog
DPWM
Fixed PWM Yes -
QSOP/28
61.9 -40 to +85
MAX8751 
All N-FET Drive
Master-Slave Function
Synchonizable
6 28 Full-Bridge 1
Analog
DPWM
Fixed PWM Yes -
TQFN/32
26 -40 to +85
MAX1895 
All N-FET Drive
Lamp Fault Output
Status Registers
Synchonizable
4.6 28 Full-Bridge 1
Analog
DPWM
I2C
SMBus
Fixed PWM Yes -
See Data Sheet/
- -40 to +85
MAX1995 
All N-FET Drive
Synchonizable
4.6 28 Full-Bridge 1
Analog
DPWM
Fixed PWM Yes -
QFN/28
26 -40 to +85
MAX1739 
All N-FET Drive
Lamp Fault Output
Status Registers
Synchonizable
4.6 28 Royer Oscillator 1
Analog
DPWM
I2C
SMBus
Resonant No -
QSOP/20
54.2 -40 to +85
MAX1839 
All N-FET Drive
Synchonizable
4.6 28 Royer Oscillator 1
Analog
DPWM
Resonant No -
QSOP/20
54.2 -40 to +85
See All CCFL Controllers (17)

Key Specifications:  Digital Potentiometers
Part Number Taper POTs Control Interface Wiper Memory Steps REND-TO-END
(kΩ)
Res. Tol.
(%)
Temp. Coeff.
(ppm/°C)
ICC @5V
(µA)
Smallest Available Pckg.
(mm2)
typ max max w/pins
MAX5494  Linear 2 3-Wire Serial SPI Non-Volatile 1024 10 25 35 1.5 26
MAX5495  50
MAX5496  10
MAX5497  50
MAX5498  10
MAX5499  50
See All Digital Potentiometers (123)



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