Overview







Light-Emitting Diode (LED) Backlight



Data Sheets
Part Number Description Key Advantages
MAX8630W, MAX8630X 125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN

Integrated derating function protects LEDs from overheating, thus increasing reliability. 
MAX1574 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN

Integrated dimming saves space by eliminating the need for external/additional components. 
MAX1984, MAX1985, MAX1986 Ultra-Efficiency White LED Drivers

Open-LED detection increases reliability. 



Key Specifications:

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
MAX8630  1-Cell Li+ Charge Pump 5 5 Parallel 0.025 - 32
PWM
Serial Pulse
 - 0.5 2.7 5.5 1.4 5.5 1000 $1.72 @1k
MAX1574  Charge Pump 3 3 0.06 - 20 Serial Pulse - 0.75 2 5 $1.44 @1k
MAX1984  Inductor Based 8 8 0.025 2000 -
Analog
Digital
PWM
 100 0.8 0.6 5 $3.56 @1k
MAX1985  Inductor Based 6 6 0.025 2000 -
Analog
Digital
PWM
 100 0.6 0.6 5 $3.56 @1k
MAX1986  Inductor Based 4 4 0.025 2000 -
Analog
Digital
PWM
 100 0.4 0.6 5 $3.05 @1k
See All LED Drivers (75)