LM3668 Datasheet (National Semiconductor) - High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter

LM3668, High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter

The LM3668 is a synchornous buck or boost DC-DC converter optimized for powering low voltage circuits from a Li-Ion battery and input voltage rails between 2.5V and 5.5V.

It has the capability to support up to 1A output current over a output voltage range of 2.8V/3.3V.

The LM3668 regulates the outpu

LM3668 Features

* 45µA typical quiescent current 1A maximum load current for VIN = 2.8V to 5.5V 800mA maximum load current for VIN = 2.7V 600mA maximum load current for VIN = 2.5V 2.2 MHz PWM fixed switching frequency (typ.) Automatic PFM-P