Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.
SOT23.pngWhite LED Step-Up Converter for Small Panel
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The DIODES™ AP3031 is an inductor-based DC/DC boost converter designed to drive LED arrays. 1.4A switching current allows AP3031 to be used in different 7' to 10' LCD panel backlights (3*13 LED arrays typically).
A constant frequency 1MHz PWM control scheme is employed in this IC, which means tiny external components can be used. Specifically, 1mm tall 4.7µH inductor and 0.47µF output capacitor for the typical application is sufficient.
The over output voltage protection is equipped in AP3031, which protects the IC under open load condition. The AP3031 includes UVLO, soft-start, current limit and OTSD to protect the circuit.
The AP3031 is available in standard SOT-23-6 package.
| AEC Qualified | No |
|---|---|
| Compliance (Only Automotive supports PPAP) | Standard |
| Function | Boost LED Driver |
| MinimumInput Voltage (V) | 2.7 V |
| MaximumInput Voltage (V) | 16 V |
| Maximum Output Voltage (V) | 37 V |
| Number of Regulated Output Channels | 1 |
| Maximum Output Current per Channel | 260 mA |
| Typical Over-Current Protection Current | 1400 mA |
| Switching Frequency (MHz) | 1 MHz |
| Efficiency (%) | 92 % |
| Quiescent Current (µA) | 4 mA |
| Standby Quiescent Current (µA) | 50 µA |
| SW RDS(ON) | N/A Ω |
| Dimming | PWM and External DC |
| OVP | Yes |
| Soft Start | Yes |
| VFB | 200 V |
| OperatingTemperatureRange (°C) | -40 to 85 °C |
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-2654 | 2024-02-15 | 2024-04-28 | Device End of Life (EOL) |
| PCN-2610 | 2023-03-30 | 2023-09-30 | Device End of Life (EOL) |
| PCN-2548 | 2021-10-08 | 2022-01-08 | Additional Wafer Source (JKFAB), New Bill of Materials (BOM) with PdCu Bond Wire, and Assembly/Test (A/T) Site (CAT) |
| PCN-2366 | 2018-09-19 | 2018-12-19 | Qualification of Additional Bill of Materials (BOM), Fab Source, A/T Site and Top Marking Change on Select Product |
