National Semiconductor LM2588SX-5.0/NOPB Current - Output: 5A Frequency - Switching: 100kHz ~ 200kHz Internal Switch(s): Yes Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -40?°C ~ 125?°C Package / Case: D??Pak, TO-263 (7 leads + tab) Power - Output: - Series: SIMPLE SWITCHER?® Synchronous Rectifier: No Type: Step-Up (Boost), Flyback, Forward Converter Voltage - Input: 4 ~ 40 V Voltage - Output: 5V Other Names: *LM2588SX-5.0, *LM2588SX-5.0/NOPB, LM2588SX-5.0