(Hong Kong)
Product Summary
The LTC1772CS6 is a constant frequency current mode stepdown DC/DC controller providing excellent AC and DC load and line regulation. The device incorporates an accurate undervoltage lockout feature that shuts down the LTC1772CS6 when the input voltage falls below 2.0V. The applications of the LTC1772CS6 include One or Two Lithium-Ion-Powered Applications, Cellular Telephones, Wireless Modems, Portable Computers, Distributed 3.3V, 2.5V or 1.8V Power Systems, Scanners.
Parametrics
LTC1772CS6 absolute maximum ratings: (1)Input Supply Voltage (VIN): -0.3V to 10V; (2)SENSE–, PGATE Voltages: -0.3V to (VIN + 0.3V); (3)VFB, ITH/RUN Voltages: -0.3V to 2.4V; (4)PGATE Peak Output Current (<10ms): 1A; (5)Storage Ambient Temperature Range: -65℃ to 150℃; (6)Operating Temperature Range: 0℃ to 70℃; (7)Junction Temperature: 150℃; (8)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LTC1772CS6 features: (1)High Efficiency: Up to 94%; (2)High Output Currents Easily Achieved; (3)Wide VIN Range: 2.5V to 9.8V; (4)Constant Frequency 550kHz Operation; (5)Burst Mode Operation at Light Load; (6)Low Dropout: 100% Duty Cycle; (7)0.8V Reference Allows Low Output Voltages; (8)Current Mode Operation for Excellent Line and Load Transient Response; (9)Low Quiescent Current: 270mA; (10)Shutdown Mode Draws Only 8mA Supply Current; (11)±2.5% Reference Accuracy; (12)Tiny 6-Lead SOT-23 Package.
Diagrams
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 LTC1772CS6#TRPBF |
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IC REG CTRLR BUCK PWM CM SOT23-6 |
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LTC1772CS6#TRMPBF |
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IC REG CTRLR BUCK PWM CM SOT23-6 |
Data Sheet |
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LTC1772CS6#TRM |
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IC REG CTRLR BUCK PWM CM SOT23-6 |
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LTC1772CS6#TR |
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IC REG CTRLR BUCK PWM CM SOT23-6 |
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LTC1772CS6 |
Other |
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Data Sheet |
Negotiable |
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