National Semiconductor LM2758TL/NOPB Constant Current: Yes Current - Output / Channel: 700mA Efficiency: 90% Frequency: 800kHz ~ 1.5MHz Internal Driver: Yes Internal Switch(s): Yes Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Package / Case: 12-MicroSMD Series: PowerWise?® Topology: Switched Capacitor (Charge Pump) Type: Photo Flash LED Type - Primary: Flash/Torch Voltage - Output: 2.7 V ~ 5.3 V Voltage - Supply: 2.7 V ~ 5.5 V Other Names: LM2758TL, LM2758TLTR