DIY mobile power supply, communication equipment power supply,
various occasions with strict requirements on volume and weight (such as aviation models).
output fixed voltage 12V
Product Name: XL1509 DC-DC Step-Down Module
Product size: L22mm*W17mm*H7mm
Input: 14V-40V
Output: 12V
XL1509-ADJ = 1.23*(1+(R2/R1))
R2 =2871 = 2870 ohm
R1 =3300 = 330 ohm
ADJ = 1.23*(1+(2870/330)) = 12V
Conversion efficiency: 96% (Max)
Switching frequency: 150KHz
Working temperature: -40°C-+85°C
Load capacity: 5W for a long time, 7W for a short time
Output current:
2A (Max)

