LM3677 Datasheet (National Semiconductor) - 600mA Miniature Step-Down DC-DC Converter

LM3677, 600mA Miniature Step-Down DC-DC Converter

The LM3677 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.7V to 5.5V.

It provides up to 600mA load current, over the entire input voltage range.

The LM3677 is configured to four output voltages of 1.3V,

LM3677 Features

* and performance for mobile phones and similar portable applications with complex power management systems. Automatic intelligent switching between PWM low-noise and PFM low-current mode offers improved system control. During PWM mode operation, the device operates at a fixed-frequency of 3 MHz (typ)