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

Product Overview

National Semiconductor

Part number	LM2770
Manufacturer	National Semiconductor
File Size	819.56 KB
Description	High Efficiency Switched Capacitor Step-Down DC/DC Regulator
Datasheet	LM2770 Datasheet
Additional preview pages of the LM2770 datasheet.

The LM2770 is a switched capacitor step-down regulator that is ideal for powering low-voltage 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.

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 Current in Full-Power Mode n Soft-Start n Short-Circuit Protection in Full-Power Mode n Current-Limit Protection in Sleep Mode n LLP-10 Package (3mm x 3mm x 0.8mm).

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Published: Jan 25, 2007 |