| Type Topology Internal Switch(s) Number of Outputs Voltage - Supply (Min) Voltage - Supply (Max) Voltage - Output Current - Output / Channel Frequency Dimming Applications Operating Temperature Mounting Type | DC DC Regulator Step-Up (Boost) Yes 4 3V 5.5V 36V 175mA 1MHz PWM Backlight, Lighting -40°C ~ 85°C (TA) Surface Mount 16-WQFN Exposed Pad |