National Semiconductor LM22673TJE-5.0/NOPB Current - Output: 3A Frequency - Switching: 500kHz Internal Switch(s): Yes Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -40?°C ~ 125?°C Package / Case: TO-263-7 Thin Power - Output: - Series: SIMPLE SWITCHER?® Synchronous Rectifier: No Type: Step-Down (Buck) Voltage - Input: 4.5 ~ 42 V Voltage - Output: 5V Other Names: LM22673TJE-5.0TR