National Semiconductor LM2682M/NOPB Current - Output: 10mA Frequency - Switching: 6kHz Internal Switch(s): Yes Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Package / Case: 8-SOIC (3.9mm Width) Power - Output: 470mW Series: - Synchronous Rectifier: No Type: Switched Capacitor (Charge Pump), Doubling Inverting Voltage - Input: 2 ~ 5.5 V Voltage - Output: -4 ~ -11 V Other Names: *LM2682M, *LM2682M/NOPB, LM2682M