| 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-Down (Buck) Yes 1 4V 18V - 1.5A 600kHz PWM Backlight, Lighting -40°C ~ 125°C (TA) Surface Mount 14-TDFN Exposed Pad |