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LM2773 Regulator Datasheet PDF

Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator

Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator

 

 

 

Part Number LM2773
Description Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator
Feature LM2773 Low-Ripple 1.
8V/1.
6V Spread-Spect rum Switched Capacitor Step-Down Regula tor January 22, 2008 LM2773 Low-Rippl e 1.
8V/1.
6V Spread-Spectrum Switched Ca pacitor Step-Down Regulator General Des cription The LM2773 is a switched capac itor step-down regulator that produces a selectable 1.
8V or 1.
6V output.
It is capable of supplying loads up to 300mA .
The LM2773 operates with an input vol tage from 2.
5V to 5.
5V, accommodating 1 -cell Li-Ion batteries and chargers.
Th e LM2773 utilizes a regulated charge pu mp with gains of 2/3x and 1x.
It has ve ry low ripple and noise on both the inp ut and output .
Manufacture National Semiconductor
Datasheet
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LM2773

 

 

 


 

 

 

Part Number LM2773
Description Step-Down Regulator
Feature LM2773 www.
ti.
com SNVS554A – JANUARY 2008 – REVISED MAY 2013 LM2773 Low- Ripple 1.
8V/1.
6V Spread-Spectrum Switch ed Capacitor Step-Down Regulator Check for Samples: LM2773 FEATURES 1
•2 Lo w-Noise Spread Spectrum Operation
• 1 .
8V/1.
6V Selectable Output Voltage
• 2% Output Voltage Regulation
• > 75% Efficiency in 1.
8V Mode
• Very Low Ou tput Ripple: 10mV @ 300mA
• Output Cu rrents up to 300mA
• 2.
5V to 5.
5V Inp ut Voltage Range
• Shutdown Disconnec ts Load from VIN
• 1.
15MHz Switching Frequency
• No Inductors…Small Solu tion Size
• Short Circuit and Thermal Protection
• 0.
5mm pitch, DSBGA-9 (1 .
511 .
Manufacture Texas Instruments
Datasheet
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LM2773

 

 

 

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