Micrel LM2576-5.0BT Current - Output: 3A Frequency - Switching: 42kHz ~ 63kHz Internal Switch(s): Yes Mounting Type: Through Hole Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Package / Case: TO-220-5 (Straight Leads) Power - Output: - Series: - Synchronous Rectifier: No Type: Step-Down (Buck) Voltage - Input: 4 ~ 40 V Voltage - Output: 5V