LM317 DC-DC converter module

LM317 DC-DC step-down DC converter circuit boardsAdjustable output voltage range: 1.2 ~ 37VCurrent output: 1.5AVoltage Input: 4.2 ~ 40 V Input-output voltage differential (VI-VO): 40Vdc (max)Adjustable output voltage range: 1.2 ~ 37VCurrent output: 1.5AVoltage Input: 4.2 ~ 40 VOperating temperature: 0 ° C ~ 125 ° CCharacteristic frequency: 100 (MHz)Input Method: VIN input positive, GND input negativeOutput Method: VOUT output positive, GND output negativeModule size: 3.6 (cm) x1.7 (cm)Pleaes note:Please use forced cooling measures when there is a large load.