Light-Emitting Diode (LED) Backlight


Light-Emitting Diode (LED) Backlight



Data Sheets
Part Number Description Key Advantages
MAX8630 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 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
MAX1985  Inductor Based 6 6 0.025 2000 -
Analog
Digital
PWM
100 0.6 0.6 5 $4.12 @1k
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