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LCD Power Supplies for PDA, DSC, Cellphone, Car Navigation



Data Sheets
Part Number Description Key Advantages
MAX17067 Low-Noise Step-Up DC-DC Converter

Compact, High-Efficiency Boost Converter 
MAX8798 Internal-Switch Boost Regulator with Integrated 3-Channel Scan Driver for TFT LCDs

High Integration, High Efficiency Power Management IC for LCD Displays Saves Space and Cost 
MAX8830 LED Light Management IC in 2.5mm x 2.5mm UCSP

White LED and Flash LED management in a small 2.5mm x 2.5mm package 
MAX8795A TFT-LCD DC-DC Converter with Operational Amplifiers

TFT LCD, DC-DC Converter with a High-Performance Step-Up Regulator, Two Linear-Regulator Controllers, and High-Current Operational Amplifiers for Active-Matrix, Thin-Film Transistor (TFT) LCDs 
MAX1516A, MAX1517A, MAX1518A TFT-LCD DC-DC Converters with Operational Amplifiers

TFT LCD, DC-DC Converters with a High-Performance Step-Up Regulator, Two Linear-Regulator Controllers, and High-Current Operational Amplifiers for Active-Matrix, Thin-Film Transistor (TFT) LCDs 
MAX8739EVKIT Evaluation Kit for MAX8739

 
MAX8753EVKIT Evaluation Kit for the MAX8753

 
MAX8753 TFT LCD DC-DC Converter with Integrated Charge Pumps

 
MAX8740 TFT-LCD Step-Up DC-DC Converter

 
MAX8739 TFT, LCD, DC-DC Converter with Operational Amplifiers

 
MAX8594 5-Output PMICs with DC-DC Core Supply for Low-Cost PDAs

 
MAX1578, MAX1579 Complete Bias and White LED Power Supplies for Small TFT Displays

First Complete LCD Bias and WLED Backlight Supplies for Small TFT Displays 
MAX8570, MAX8571, MAX8572,
...
High-Efficiency LCD Boost with True Shutdown

First Fully Protected LCD and OLED Supplies in SOT23 Package 
MAX1583 White LED Camera-Flash Boost Converter

First 24V, White-LED, Flash/Strobe Supply for Camera Phones 
MAX1574 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN

White LED Charge Pump in 3mm x 3mm TDFN Achieves 83% Average Efficiency 
MAX1889 Triple-Output TFT LCD Power Supply with Fault Protection

 
MAX1747 Triple Charge-Pump TFT LCD DC-DC Converter

Industry's-First All Charge Pump Triple Output Regulator Designed For TFT LCD Applications 
MAX1779 Low-Power Triple-Output TFT LCD DC-DC Converter

Industry's-First High-Performance Boost Regulator with Dual Charge-Pump Regulators for Small-Sized Battery-Powered LCD Applications 
MAX1748, MAX8726 Triple-Output TFT-LCD DC-DC Converters

 
MAX1790, MAX8715 Low-Noise Step-Up DC-DC Converters

Compact, High-Efficiency Boost Converter 
MAX1664 Active Matrix Liquid Crystal Display (AMLCD) Supply

Low-Noise, Integrated Solution Powers Active-Matrix TFT LCD Displays 
MAX1620, MAX1621 Digitally Adjustable LCD Bias Supplies

Industry's-First Digitally Controlled Positive or Negative LCD Bias Supply 



Key Specifications:

Inverting Switching Regulators
Part Number VIN
(V)
VIN
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Alternate Topology Oper. Freq.
(kHz)
Budgetary
Price
min max See Notes
MAX1620  1.8 20 0.07 0.07
Digital
Resistor
1
Inverting
Step-Up
300 $3.07 @1k
MAX1621 
See All Inverting Switching Regulators (25)


LED Drivers
Part Number Battery Input Regulation Topology Max. No. of LEDs LED Channels LED Configuration ILED per Channel
(A)
PWM Dimming Freq.
(kHz)
Dimming Ratio Dimming Control VCURR_SENSE
(mV)
POUT
(W)
VIN
(V)
VIN
(V)
ICC
(mA)
LED String Volt.
(V)
Oper. Freq.
(kHz)
Budgetary
Price
max max max min max max max See Notes
MAX8830  1-Cell Li+ Inductor Based 5 5 Parallel 0.2 - 32 I2C Serial - 1.5 2.7 5.5 7.5 5.2 1000 -
MAX1578  Inductor Based 8 1 Series 0.025 200 -
Analog
PWM
300 0.9 2.7 5 32 $3.76 @1k
MAX1579  Inductor Based 8 1 Series 0.025 200 -
Analog
PWM
300 0.9 2.7 5 32 $3.76 @1k
MAX1583  Inductor Based 5 1 Series 0.3 - -
Analog
Digital
600 6 2.6 2.5 24 $1.82 @1k
MAX1574  Charge Pump 3 3 Parallel 0.06 - 20 Serial Pulse - 0.75 2.7 2 5 $1.44 @1k
See All LED Drivers (75)


Multifunction PMICs
Part Number Primary Topology Monitor/Control Features DC-DC/Power Features LCD/LED/Flash/CCD Features Interface Type VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Oper. Freq.
(kHz)
Inverting Outputs Budgetary
Price
min max min max See Notes
MAX8798  Step-Up
Output OVP
Output UVP
Serial Interface
Shutdown
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
Scan Driver
TFT Bias
VCOM Buffer
- 1.8 5.5 1.23 18 0.4 0.4 1200 - $8.11 @1k
MAX8795A  Step-Up
Output OVP
Shutdown
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias
VCOM Buffer
- 2.5 6 3 18 0.5 0.5 1200 - $2.31 @1k
MAX1516A  Step-Up
Output UVP
Reset Output
Shutdown
Adj. Frequency
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias
VCOM Buffer
- 2.6 5.5 2.6 14 0.75 0.75 1200 1 -
MAX1517A  Step-Up
Output UVP
Reset Output
Shutdown
Adj. Frequency
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias
VCOM Buffer
- 2.6 5.5 2.6 14 0.75 0.75 1200 1 -
MAX1518A  Step-Up
Output UVP
Reset Output
Shutdown
Adj. Frequency
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias
VCOM Buffer
- 2.6 5.5 2.6 14 0.75 0.75 1200 1 -
MAX8739  Step-Up Shutdown
Adj. Frequency
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
Op. Amps.
TFT Bias
VCOM Buffer
- 1.8 5.5 1.24 13 1 1 1200 - $2.23 @1k
MAX8594  Step-Down
Low Batt./POK Output
Reset Output
Shutdown
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
Sync. Rectifier
TFT Bias GPIO 3.1 5.5 1.3 15 0.4 0.4 4000 - $2.41 @1k
MAX1889  Step-Up
Output UVP
Reset Output
Shutdown
Adj. Frequency
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias - 2.7 5.5 2.7 13 0.3 0.3 1000 1 $1.78 @1k
MAX1747  Step-Up Shutdown
Adj. Frequency
Fixed Freq./PWM
Internal Switch
Soft Start
Sync. Rectifier
TFT Bias - 2.7 4.5 -35 35 0.3 0.3 2000 1 $3.34 @1k
MAX1779  Step-Up Shutdown
Current Limit
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias - 2.7 5.5 2.7 13 0.18 0.18 250 1 $1.35 @1k
MAX1748  Step-Up Shutdown
Fixed Freq./PWM
Internal Switch
Soft Start
TFT Bias - 2.7 5.5 2.7 13 0.5 0.5 1000 1 $1.31 @1k
See All Multifunction PMICs (98)


Step-Up Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Preset VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Budgetary
Price
min max min max See Notes
MAX17067  2.6 4 1.25 18 - 0.3 0.3 Resistor 1 1200 $3.42 @1k
MAX8740  2.6 5.5 2.6 28 - 3.9 3.9 PWM
640
1200
$1.92 @1k
MAX8570  2.7 5.5 2.7 28 - 0.01 0.01 Resistor - $1.34 @1k
MAX8571  2.7 5.5 2.7 28 - 0.015 0.015 Resistor - $1.34 @1k
MAX8572  2.7 5.5 15 15 15 0.01 0.01 Preset - $1.34 @1k
MAX8573  2.7 5.5 15 15 15 0.015 0.015 Preset - $1.34 @1k
MAX8574  2.7 5.5 2.7 28 - 0.025 0.025 Resistor - $1.34 @1k
MAX8575  2.7 5.5 15 15 15 0.025 0.025 Preset - $1.34 @1k
MAX1790  2.6 5.5 2.6 12 - 1.2 1.2 PWM
640
1200
$3.27 @1k
MAX8715  2.6 5.5 2.6 12 - 1.8 1.2 Resistor
640
1200
$1.07 @1k
MAX1620  1.8 20 - - - 0.07 0.07
Digital
Resistor
300 $3.07 @1k
MAX1621  1.8 20 - - - 0.07 0.07
Digital
Resistor
300 $3.07 @1k
See All Step-Up Switching Regulators (96)