LM2770 High Efficiency Switched Capacitor Step-Down DC/DC Regulator

National Semiconductor

Description

www.DataSheet4U.com LM2770 High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode December 2004 LM2770 High Efficiency Switch.
The LM2770 is a switched capacitor step-down regulator that is ideal for powering low-voltage applications in portable systems.

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Datasheet Specifications

Part number: LM2770
Manufacturer: National Semiconductor
File Size: 819.56 KB
Datasheet: LM2770_NationalSemiconductor.pdf
Description: High Efficiency Switched Capacitor Step-Down DC/DC Regulator

Features

* n High Efficiency Multi-Gain Architecture: Peak Power Efficiency > 85% n Output Voltage Pairs: 1.2V/1.5V and 1.2V/1.575V n Dynamic Output Voltage Selection n ± 3% Output Voltage Accuracy n Output Currents up to 250mA n 2.7V to 5.5V Input Range n Low-Supply-Current Sleep Mode n 55µA Quiescent Supply

Applications

* in portable systems. The LM2770 can supply load currents up to 250mA and operates over an input voltage range of 2.7V to 5.5V. This makes the LM2770 a great choice for systems powered by 1-cell Li-Ion batteries and chargers. The output voltage of the LM2770 can be dynamically switched between two ou

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LM2770 High Efficiency Switched Capacitor Step-Down Regulator National Semiconductor

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