Overview

 


Suggested Components

 
Application Notes
 
New Product Announcements
 
Product Guides







Backlight and LCD Bias Power Supplies



DATA SHEETS
Part Number Description Key Advantages
MAX8821 White LED Charge Pump with Mono Class D Audio Amp and Dual LDO

Industry's First LED Charge Pump with Integrated Audio Amplifier and 2 LDOs Providing Space Savings and Highest Efficiency
MAX8822 Ultra-Efficient Negative Charge-Pump LED Driver with Dual LDOs in 3mm x 3mm Thin QFN

Independent Adaptive Voltage Supply for Four WLEDs with Two 200mA Low-Noise/High PSRR LDOs for Display Backlighting
MAX8630W, MAX8630X 125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN

Delivers Thermal Derating, 1% LED Accuracy, and 85% Efficiency in a Tiny 3mm x 3mm TDFN Package and Easy Control Interfacing
MAX8678 White LED Charge Pump with 1.1W Audio Amplifier

Industry’s First LED Charge Pump with Integrated Audio Amplifier Saves 50% PCB Area While Providing Highest Efficiency
MAX8647, MAX8648 Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN

Achieves Industry's Highest Efficiency Using the Industry's First Negative Charge Pump Driving Six White/RGB LEDs Independently
MAX8645X, MAX8645Y 1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN

MAX8614A, MAX8614B Dual-Output (+ and -) DC-DC Converters for CCD

Small, 3mm x 3mm TDFN Package
MAX1707 Light-Management IC with Efficient 1x/1.5x/2x Charge Pump for Backlight/Flash/RGB LEDs

High-Efficiency Backlight and Flash Driver with Up to 400mA Flash Capability and 3 RGB Drivers with a Programmable RGB Ramp for Main, Sub, RGB, Keypad, or Flash Applications in a Compact, 4mm x 4mm TQFN Package
MAX8631X, MAX8631Y 1x/1.5x/2x White LED Charge Pump with Two LDOs in 4mm x 4mm Thin QFN

MAX8570, MAX8571, MAX8572,
...
High-Efficiency LCD Boost with True Shutdown

First Fully Protected LCD and OLED Supplies in SOT23 Package
MAX1576 480mA White LED 1x/1.5x/2x Charge Pump for Backlighting and Camera Flash

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
MAX1575 White LED 1x/1.5x Charge Pump for Main and Sub-Displays

First 85% Efficient, Fractional, White-LED Charge Pump with Dual, Single-Wire Dimming Control for Main and Sub-Displays
MAX1553, MAX1554 High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs

Smallest, Highest Efficiency, 40V Driver for Up to 10 White LEDs
MAX1561, MAX1599 High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs

26V, Step-Up DC-DC Powers Up to 6 White LEDs with Up to 87% Efficiency
MAX1848 White LED Step-Up Converter in SOT23

Current Regulated Step-Up Converter Powers White LEDs with Uniform Brightness
MAX1606 28V Internal Switch LCD Bias Supply with True Shutdown™

LCD Bias Supply Uses Internal Switches to Deliver Up to 28V, and True Shutdown
MAX1605 30V Internal Switch 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)
Package/Pins Smallest Available Pckg.
(mm2)
min max max w/pins
MAX8614  2.7 5.5 0.125 0.125 Resistor 2
Inverting
Step-Up
1000
TDFN-EP/14
9.6
See All Inverting Switching Regulators (25)

Multifunction PMICs
Part Number Primary Topology Monitor/Control Features DC-DC/Power Features VIN
(V)
VIN
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Oper. Freq.
(kHz)
Inverting Outputs Package/Pins Smallest Available Pckg.
(mm2)
min max max w/pins
MAX8614 
Inverting
Step-Up
Low Batt./POK Output
Shutdown
Current Limit
Fixed Freq./PWM
Internal Pwr. FETs
Soft Start
2.7 5.5 0.125 0.125 1000 1
TDFN-EP/14
9.6
See All Multifunction PMICs (96)

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)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX8614  2.7 5.5 - - - 0.125 0.125 Resistor 2 1000
TDFN-EP/14
9.6
MAX8570  2.7 2.7 28 - 0.01 0.01 Resistor 1 -
µDFN/6
SOT/6
9
MAX8571  2.7 2.7 28 - 0.015 0.015 Resistor 1 -
SOT/6
9
MAX8572  2.7 15 15 15 0.01 0.01 Preset 1 -
SOT/6
9
MAX8573  2.7 15 15 15 0.015 0.015 Preset 1 -
SOT/6
9
MAX8574  2.7 2.7 28 - 0.025 0.025 Resistor 1 -
SOT/6
9
MAX8575  2.7 15 15 15 0.025 0.025 Preset 1 -
SOT/6
9
MAX1605  2.5 2.5 28 - 0.02 0.02 Resistor 1 500
SOT/6
TDFN-EP/6
9
MAX1606  0.8 1.25 28 - 0.02 0.02 Resistor 1 500
µMAX/8
16.2
See All Step-Up Switching Regulators (91)

White LED Drivers
Part Number Topology LEDs Config. Dimming Control VDROPOUT
(mV)
VCURR_SENSE
(mV)
POUT
(W)
ILED
(mA)
VIN
(V)
VIN
(V)
ICC
(mA)
VOUT
(V)
Oper. Freq.
(kHz)
Package/Pins
max num. of typ max min max max max
MAX8822  Charge Pump 4 Parallel Digital 60 - 0.4 24 2.7 5.5 1.4 5.5 1000
TQFN/16
MAX8821  Charge Pump 6 Parallel
Digital
I2C Serial
72 - 0.6 25 2.7 0.12 5.5 1000
TQFN/28
MAX8647  Charge Pump 6 Parallel I2C Serial - - 0.6 24 2.7 0.1 5 1000
TQFN/16
MAX8648  Charge Pump 6 Parallel Serial Pulse - - 0.6 24 2.7 0.2 5 1000
TQFN/16
MAX8678  Charge Pump 4 Parallel Serial Pulse - - 0.4 244 2.7 0.2 5 1000
TQFN/16
MAX8645  Charge Pump 8 Parallel
Analog
Digital
PWM
Serial Pulse
40 - 2.8 200 2.7 5.5 5.5 1000
TQFN/28
MAX1707  Charge Pump 11 Parallel
Digital
I2C Serial
40 100 2.5 100 2.7 6.5 5 1000
TQFN/24
MAX8630  Charge Pump 5 Parallel
PWM
Serial Pulse
- - 0.5 25 2.7 1.4 5.5 1000
TDFN-EP/14
MAX8631  Charge Pump 8 Parallel
Digital
PWM
Serial Pulse
- - 2.25 100 2.7 6 5 1000
TQFN/28
MAX1576  Charge Pump 8 Parallel
Analog
PWM
Serial Pulse
- - 2 400 2.7 6 5 1000
TQFN/24
MAX1575  Charge Pump 6 Parallel Serial Pulse - - 0.75 30 2.7 2 5 1000
TQFN/16
MAX1574  Charge Pump 3 Parallel Serial Pulse - - 0.75 60 2.7 2 5 1000
TDFN-EP/10
MAX1561  Inductor Based 6 Series
Analog
PWM
- 100 0.9 20 2.6 0.55 26 1000
TDFN-EP/8
MAX1599  Inductor Based 6 Series
Analog
PWM
- 100 0.9 20 2.6 0.55 26 500
TDFN-EP/8
MAX1553  Inductor Based 6 Series
Analog
PWM
- 200 0.5 20 2.7 0.35 40 -
TDFN-EP/8
MAX1554  Inductor Based 10 Series
Analog
PWM
- 200 0.8 20 2.7 0.65 40 -
TDFN-EP/8
MAX1848  Inductor Based 6 Series Analog - 75 0.8 60 2.6 2 12 1200
SOT/8
TDFN-EP/8
See All White LED Drivers (47)





Contact Us     |     Privacy Policy     |     Legal Notices
Copyright © 2012 by Maxim Integrated Products