Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.
SOT26-Chip-Image.pngWhite LED Step-Up Converter for Small Panel with Schottky Integrated
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The AP3036B is an inductor-based DC/DC converter designed to drive up to eight white LEDs in series for backlight. Only one feedback resistor is needed to control the LED current and obtain required brightness.
A constant frequency 1.0MHz PWM control scheme is employed in this IC, which means tiny external components can be used. Specifically, 1mm tall inductor and 0.22μF output capacitor for a typical application is sufficient. Additionally, the Schottky diode in boost circuit is integrated on this chip. The AP3036B also provides a disable pin to ease its use for different systems.
The output over-voltage protection is implemented in AP3036B. When any LED is broken or in other abnormal conditions, the output voltage will be clamped.
The AP3036B is available in standard SOT26 package.
| AEC Qualified | No |
|---|---|
| Compliance (Only Automotive supports PPAP) | Standard |
| Function | Boost LED Driver |
| MinimumInput Voltage (V) | 2.5 V |
| MaximumInput Voltage (V) | 16 V |
| Maximum Output Voltage (V) | 30 V |
| Number of Regulated Output Channels | 1 |
| Maximum Output Current per Channel | 40 mA |
| Typical Over-Current Protection Current | 550 mA |
| Switching Frequency (MHz) | 1 MHz |
| Efficiency (%) | 84 % |
| Quiescent Current (µA) | 3.1 mA |
| Standby Quiescent Current (µA) | 45 µA |
| SW RDS(ON) | N/A Ω |
| Dimming | High Frequency 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-2603 | 2023-03-20 | 2023-06-20 | Qualified Additional Wafer Fab Source (SFAB2/JKFAB), Die Revision, Bill of Material |
| 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 |
