The LM3370 is a dual step-down DC-DC converter optimizedfor powering ultra-low voltage circuits from a single Li-Ion batteryand input rail ranging from 2.7V to 5.5V. It provides twooutputs with 600 mA load per channel. The output voltagerange varies from 1V to 3.3V and can be dynamically controlledusing the I2C compatible interface. This dynamic voltagescaling function allows processors to achieve maximumperformance at the lowest power level. The I2C compatibleinterface can also be used to control auto PFM-PWM/PWMmode selection and other performance enhancing features.The LM3370 offers superior features and performance forportable systems with complex power management requirements.Automatic intelligent switching between PWM lownoiseand PFM low-current mode offers improved systemefficiency. Internal synchronous rectification enhances theconverter efficiency without the use of further external devices.
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