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LM2773 Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator


LM2773
Part Number LM2773
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Texas Instruments
LM2773
Part Number LM2773
Manufacturer Texas Instruments
Title Step-Down Regulator
Description The LM2773 is a switched capacitor 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 voltage from 2.5V to 5.5V, accommodating 1-cell Li-Ion batteries and chargers. The LM2773 utilizes a regulated charge.
Features 1
•2 Low-Noise Spread Spectrum Operation
• 1.8V/1.6V Selectable Output Voltage
• 2% Output Voltage Regulation
• > 75% Efficiency in 1.8V Mode
• Very Low Output Ripple: 10mV @ 300mA
• Output Currents up to 300mA
• 2.5V to 5.5V Input Voltage Range
• Shutdown Disconnects Load from VIN
• 1.15MHz Switching Frequency
• No Inductors…Small Solution Size
• Short Circuit and Thermal Protection
• 0.5mm pitch.

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