ITEM NAME:LM2575 5V Step-down Voltage Regulator Circuit Controller IC L1B4 LM2575 5V Step-down Voltage Regulator Circuit Controller IC L1B4 LM2575 5-pin-down voltage regulator Package: TO-220 Output voltage: 5V Input voltage: 4V - 40V Output current: 1A LM2575 step-down switching regulator drive 1A load this switching regulator in fixed output voltage of 5V and an adjustable input version. This is a 5-pole switching regulator that come with 14 mm long needles. Description: No synchronous rectifier working temperature: -40 Celsius ~ + 125 Celsius pin length: approx. 14 mm total size: approx. 29 x 10 x 5 mm package: 1 x Switching Regulator IC Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.