XL1509-5.0E1 5V 2A Buck DC-DC Step-Down Regulator SOP-8
Currently unavailable
No store has this product in stock right now. Prices below are the last ones we recorded.
Prices updated: 13 Oct 2026
Price history
Lowest daily price, last 90 days
Not enough price history yet.
About this product
XL1509-5.0E1 is a buck (step-down) DC-DC converter IC with an internal power MOSFET, providing a fixed 5 V output up to 2 A from an input of 8 V to 36 V. It is used to power 5 V logic, microcontroller boards and sensors from 12 V or 24 V sources in a compact SOP-8 package. External inductor, diode and capacitors are required.
Specifications
- Input voltage range
- 8 V to 36 V
- Output voltage
- 5 V (fixed)
- Output current
- 2 A
- Maximum efficiency
- Up to 96%
- Minimum dropout
- 0.3 V
- Maximum duty cycle
- 100%
- Protection
- Thermal shutdown, current limit, output short protection
- Package
- SOP-8
Frequently asked questions
What external components does it need?
It needs an external inductor, a catch (freewheeling) diode, and input and output capacitors. Choose their values and ratings according to the typical application circuit in the XL1509 datasheet, as they set ripple and current capability.
Can it power an Arduino or a 5V sensor module from 12V?
Yes. The 5 V output suits Arduino boards and 5 V modules as long as their combined current stays within the 2 A limit. Keep the input within 8 V to 36 V and check that the regulator's dropout and efficiency suit your load.
