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The AP3615 is a step-up DC-DC converter based on 1x/1.5x charge pump and low dropout current sink, which helps it maintain the highest efficiency. The AP3615 is specially designed to drive up to 5 W°Cs in backlight display. The AP3615 provides up to 20mA current for each W°C. There are totally 16 steps of current control, which is achieved through a digital pulse dimming function on EN pin. Additionally, 1MHz high switching frequency enables the use of small external capacitors. Internal soft-start circuitry prevents excessive inrush current during start-up and mode transition. The supply voltage of AP3615 ranges from 2.8V to 5.5V which make it ideally suit for applications powered by Li-ion battery.
Dimming |
16 Steps Pulse PWM Dimming |
|---|---|
Efficiency (%) |
89 |
Function |
Charge Pump LED Driver |
MaximumInput Voltage (V) |
5.5 |
Maximum Output Current per Channel |
20 |
Maximum Output Voltage (V) |
5.5 |
MinimumInput Voltage (V) |
2.8 |
Number of Regulated Output Channels |
5 |
OperatingTemperatureRange (°C) |
-40 to 85 |
OVP |
Yes |
Quiescent Current (µA) |
1.7 |
Soft Start |
Yes |
Standby Quiescent Current (µA) |
3 |
SW RDS(ON) |
N/A |
Switching Frequency (MHz) |
1 |
Typical Overcurrent Protection Current |
N/A |
VFB |
N/A |
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A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.
| PCN # | Issue Date | Implementation Date | Subject |
|---|---|---|---|
| PCN-2770 | 2025-10-30 | 2025-10-30 | Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products |
