LM2772 Low-Ripple Switched Capacitor Step-Down Regulator

National Semiconductor

Description

LM2772 Low-Ripple Switched Capacitor Step-Down Regulator December 2006 LM2772 Low-Ripple Switched Capacitor Step-Down Regulator General .
The LM2772 is a switched capacitor step-down regulator that produces a 1.

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Datasheet Specifications

Part number: LM2772
Manufacturer: National Semiconductor
File Size: 1.19 MB
Datasheet: LM2772_NationalSemiconductor.pdf
Description: Low-Ripple Switched Capacitor Step-Down Regulator

Features

* Low-Noise Fixed Frequency Operation 1.2V Output Voltage 3% Output Voltage Regulation Li-Ion (3.6V) to 1.2V with 80% Efficiency Very Low Output Ripple: 8mV @ 150mA Output Currents up to 150mA 2.7V to 5.5V Input Voltage Range Shut

Applications

* DSP, Memory, and Microprocessor Power Supplies
* Mobile Phones and Pagers
* Portable Electronic Devices Typical Application Circuit LM2772 Efficiency vs. Low-Dropout Linear Regulator (LDO) Efficiency 20216401 20216413 © 2007 National Semiconductor Corporation 202164 www. national

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LM2772 Low-Ripple Switched Capacitor Step-Down Regulator National Semiconductor

National Semiconductor LM2772-like datasheet