National Semiconductor LM3445MMX/NOPB Constant Current: Yes Current - Output / Channel: 1A Efficiency: 85% Frequency: 30kHz ~ 1MHz Internal Driver: No Internal Switch(s): Yes Lead Free Status / Rohs Status: Compliant Mfg Application Notes: LM3445 Reference Design Mounting: Surface Mount Mounting Type: Surface Mount Number Of Outputs: 1 Operating Supply Voltage (max): 12V Operating Temperature: -40?°C ~ 125?°C Operating Temperature (max): 125C Operating Temperature (min): -40C Operating Temperature Classification: Automotive Package / Case: 10-MSOP, Micro10?„?, 10-uMAX, 10-uSOP Package Type: MSOP Pin Count: 10 Series: PowerWise?® Topology: PWM, Step-Down (Buck) Type: Triac Dimmable Type - Secondary: High Brightness LED (HBLED) Voltage - Output: - Voltage - Supply: 8 V ~ 12 V Other Names: LM3445MMX