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LM2798 Converter Datasheet PDF

120mA High Efficiency Step-Down Switched Capacitor Voltage Converter

120mA High Efficiency Step-Down Switched Capacitor Voltage Converter

 

 

 

Part Number LM2798
Description 120mA High Efficiency Step-Down Switched Capacitor Voltage Converter
Feature LM2797/LM2798 120mA High Efficiency Step -Down Switched Capacitor Voltage Conver ter with Voltage Monitoring April 2003 LM2797/LM2798 120mA High Efficiency S tep-Down Switched Capacitor Voltage Con verter with Voltage Monitoring General Description The LM2797/98 switched capa citor step-down DC/DC converters effici ently produce a 120mA regulated low-vol tage rail from a 2.
6V to 5.
5V input.
Fi xed output voltage options of 1.
5V, 1.
8 V, and 2.
0V are available.
The LM2797/9 8 uses multiple fractional gain configu rations to maximize conversion efficien cy over the entire input voltage and ou tput current r .
Manufacture National Semiconductor
Datasheet
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LM2798

 

 

 


 

 

 

Part Number LM2798
Description Voltage Converter
Feature OBSOLETE LM2797, LM2798 www.
ti.
com SN VS199C – MAY 2004 – REVISED SEPTEMB ER 2011 LM2797/LM2798 120mA High Effic iency Step-Down Switched Capacitor Volt age Converter with Voltage Monitoring C heck for Samples: LM2797, LM2798 FEATU RES 1
•2 Output Voltage Options: – 2.
0V ± 5%, 1.
8V ± 5%, and 1.
5V ± 6%
• 120mA Output Current Capability
• Multi-Gain and Gain Hopping for Highes t Possible Efficiency - up to 90% Effic ient
• 2.
6V to 5.
5V Input Range
• I nput and Output Voltage Monitoring (BAT OK and POK)
• Low Operating Supply Cu rrent: 35µA
• Shutdown Supply Curren t: 0.
1µA
• Thermal and Short Circuit P .
Manufacture Texas Instruments
Datasheet
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LM2798

 

 

 

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