3-Channel Charge Pump For White LED Applications

General Description The AAT3120 is a low noise, constant frequency charge pump DC/DC converter that uses fractional (1.5X) conversion to improve efficiency for white LED applications. The device can be used to produce eight current levels up to 20mA per channel for up to three channels. 1X load s

Three-Channel Charge Pump for White LED Applications

Features • VIN Range: 2.7V to 5.5V • Fractional Charge Pump Mode • Drives Low-VF and High-VF Type LEDs • Up to Three LED Outputs ▪ Single Wire Programming ▪ Eight Regulated Current Settings ▪ Max 20mA per Channel • Low Noise Constant Frequency Operation • No Inductors • 1MHz Switching Fr

HALL-EFFECT SWITCHES

HALL-EFFECT SWITCHES

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