LTC1911-1.8 - Low Noise, High Efficiency, Inductorless Step-Down DC/DC Converter

The LTC1911 is a switched capacitor Step-down DC/DC converter that produces a 1.5V or 1.8V regulated output from a 2.7V to 5.5V input. The part uses switched capacitor fractional conversion to achieve high efficiency over the entire input range. No inductors are required. Internal circuitry controls the Step-down conversion ratio to optimize efficiency as the input voltage and load conditions vary.* Typical efficiency is over 25% higher than that of a linear Regulator
A unique constant frequency architecture provides a low noise regulated output as well as lower input noise than conventional Charge Pump Regulators High frequency operation (fOSC = 1.5MHz) simplifies output filtering to further reduce conducted noise. To optimize efficiency, the part enters Burst Mode operation under light load conditions.
Low operating current (180A with no load, 10A in shutdown) and low external parts count (two 1F flying capacitors and two 10F bypass capacitors) make the LTC1911 ideally suited for space constrained batterypowered applications. The part is short-circuit and overtemperature protected, and is available in an 8-pin MSOP package.
By Linear Technology Corporation
LTC1911-1.8 's PackagesLTC1911-1.8 's pdf datasheet



LTC1911-1.8 Pinout, Pinouts
LTC1911-1.8 pinout,Pin out
This is one package pinout of LTC1911-1.8,If you need more pinouts please download LTC1911-1.8's pdf datasheet.

LTC1911-1.8 Application circuits
LTC1911-1.8 circuits
This is one application circuit of LTC1911-1.8,If you need more circuits,please download LTC1911-1.8's pdf datasheet.


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