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High-Performance Power ICs and Hall-Effect Sensors

Display Power and Backlight ....

Display Power and Backlight
Part Number Topology Input Voltage Output Output Current Packages Key Features
A8430 Boost 2.5 V to 10 V 36 V max 300 mA peak switch current 3×3 mm TDFN-5 WLED driver for LCD backlight; 1.2 MHz boost converter with integrated 36 V switch in 0.75 mm high 3x3 mm package with TSOT-23-5 footprint
A8431 Boost 2.5 V to 10 V 32 V max 300 mA peak switch current 2×3 mm TDFN-6 WLED driver for LCD backlight; 1.2 MHz boost converter with integrated 36 V switch in 0.75 mm high 2x3 mm package with TSOT-23-5 footprint; 35 V overvoltage protection
A8434 Charge pump 2.7 V to 5.5 V 1-6 channels, 6 V max Iout max = 30 mA per channel 3×3 mm TQFN-16 1 MHz six-channel charge pump, adaptive control scheme (1x/1.5x/2x), 30 mA per channel, 0.5% channel current matching, multiple dimming schemes, soft start, OVP
A8435 Charge pump 2.7 V to 5.5 V 1-4 channels, 6 V max Iout max = 30 mA per channel 3×3 mm TQFN-16 1 MHz four-channel charge pump, adaptive control scheme (1x/1.5x), 30 mA per channel, 0.5% channel current matching, multiple dimming schemes, soft start, OVP
A8480 Boost 2.7 V to 9 V 23 V max 1.5 A peak switch current 3×3 mm MLP/TDFN-10, 1.6×1.6 mm CSP-9 1.2 MHz boost for OLED supply, WLED backlight/flash, output disconnect, dimming, OVP, pulse-by-pulse OCP, OTP, soft start
A8481 Boost 2.7 V to 9 V 23 V max 1.5 A peak switch current 3×3 mm MLP/TDFN-10 1.2 MHz boost for OLED supply, WLED backlight/flash, output disconnect, dimming, OVP, pulse-by-pulse OCP, OTP, soft start
A8483 Boost 2.5 V to 10 V 36 V max 350 mA peak switch current 3×3 mm TDFN-5 1.2 MHz boost converter for OLED/LCD/VARACTOR/HDTV power, extended (0.9 V to 18 V) input voltage with bias supply, 0.75 mm high 3x3 mm package with TSOT-23-5 footprint
A8501 Boost Vin = 8 V to 21 V 28  V max 3.6 A peak switch current eTSSOP-28 Single Vin supply (e.g., 12 V), drives multiple LED strings e.g., 9-36 LEDs at 100 mA, 600 kHz to 2.2 MHz (adjustable) boost, 40 V internal FET, flexible dimming methods, multiple protection schemes
A8503 Boost Vin = 4.3 V to 5.5 V (5 V to 25 Vbat 44  V max 2.2 A peak switch current 4×4 mm
TQFN-26
Drives multiple LED strings e.g., 10-60 LEDs at 25 mA, 1.5 MHz boost, 50 V internal FET, flexible dimming methods, multiple protection schemes
A8500 Boost Vin = 4.2 V to 5.5 V (6 V to 21 Vbat) 47 V max 2 A peak switch current 3×3 mm TQFN-26 Drives multiple LED strings e.g., 16-96 LEDs at 25 mA, 200 kHz to 2 MHz boost, 50 V internal FET, flexible dimming methods, adjustable switching frequency
A8504 Boost Vin = 4.2 V to 5.5 V (6 V to 21 Vbat) 47 V max 2 A peak switch current 3×3 mm TQFN-26 Drives multiple LED strings e.g., 16-88 LEDs at 40 mA, 200 kHz to 2MHz boost, 50 V internal FET, flexible dimming methods, adjustable switching frequency
A8530 Charge pump 2.7 V to 5.5 V 1-6 channels, for WLED backlight and/or flash/torch Total Iout max = 320 mA DC 3×3 mm TQFN-16 1 MHz six-channel charge pump, 320 mA total output, adaptive control scheme (1x/1.5x/2x), 30 or 100 mA per channel, 0.5% channel current matching, multiple dimming schemes, soft start, OVP

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