Freescale Semiconductor MC34844EPR2 Current - Output / Channel: 50mA Efficiency: 90% Frequency: 150kHz ~ 1.2MHz Internal Driver: Yes Internal Switch(s): Yes Lead Free Status / Rohs Status: Compliant Maximum Operating Temperature: + 105 C Maximum Power Dissipation: 3.9 W Maximum Supply Current: 55 mA Minimum Operating Temperature: - 40 C Mounting: Surface Mount Mounting Style: SMD/SMT Mounting Type: Surface Mount Number Of Outputs: 10 Operating Supply Voltage: 7 V to 28 V Operating Supply Voltage (max): 28V Operating Supply Voltage (min): 7V Operating Supply Voltage (typ): 12V Operating Temperature: -40?°C ~ 105?°C Operating Temperature (max): 105C Operating Temperature (min): -40C Operating Temperature Classification: Industrial Package / Case: 32-QFN Package Type: QFN EP Pin Count: 32 Power Dissipation: 3.9W Series: - Topology: PWM, Step-Up (Boost) Type: Backlight, White LED (I??C Interface) Type - Primary: Backlight Voltage - Output: 7 V ~ 60 V Voltage - Supply: 7 V ~ 28 V