LTC3251EMSE-1.2#PBF

LTC®3251 is 2-phase charge pump step-down DC/DC converter. This part use switched capacitor fractional conversion to achieve twice the typical efficiency of a linear regulator. No inductors are required. A unique 2-phase spread spectrum architecture provides a very low noise regulated output as well as low noise at the input. It has four operating modes like continuous spread spectrum, spread spectrum with burst mode operation, super burst™ mode operation and shutdown. Ideally suited for space-constrained battery-powered applications, handheld devices, cellular phones, portable electronic equipment, DSP power supplies.

• Up to 500mA output current
• 2x efficiency improvement over LDOs
• Fixed output voltage of 1.2V
• Low operating current is 35µA (burst mode® operation)
• Low shutdown current is 0.01µA typical
• Soft-Start limits inrush current at turn-on
• Short-circuit and over temperature protected
• Thermally enhanced 10-LEAD plastic MSOP package
• 2.7V to 5.5V input voltage range

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