XL4201 is a switching current self-contained constant current loop buck DC-DC converter with a wide input voltage range of 8V to 40V, adjustable output voltage, minimum voltage difference of 0.3V, fixed 150KHz switching frequency, maximum 3A switching current, built-in power MOS, excellent linearity and load adjustment rate, built-in constant current loop, built-in frequency compensation function, built-in output short circuit protection function, built-in input overvoltage protection function, built-in thermal shutdown function, recommended for output power less than 13W, SOP8-EP package. It is suitable for applications such as car chargers, battery chargers, LCD TVs and displays, portable device power supply, communication device power supply, buck constant current drive, display LED backlight, general LED lighting.
The XLSEMI XL4201 is a high-efficiency step-down DC-DC converter designed for wide input voltage ranges from 8V to 40V. It features a built-in power MOSFET, constant current loop, and frequency compensation to simplify circuit design. The device supports adjustable output voltages from 1.25V to 37V with a minimum dropout of 0.3V. This manual is written in Chinese.
| Input Voltage Range | 8V to 40V |
|---|---|
| Output Voltage Range | 1.25V to 37V adjustable |
| Switching Frequency | Fixed 150kHz |
| Maximum Switching Current | 3A |
| Package Type | SOP8-EP |
| Recommended Output Power | < 13W |
The minimum dropout voltage is 0.3V.
Yes, it features an internal power MOS to simplify circuit design.