(China (Mainland))
Product Summary
The ltc1772cs6#tr 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#tr when the input voltage falls below 2.0V. The applications of the ltc1772cs6#tr 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#tr 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#tr 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#TR |
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IC REG CTRLR BUCK PWM CM SOT23-6 |
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LTC1772CS6#TRM |
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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 |
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LTC1772CS6#TRPBF |
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IC REG CTRLR BUCK PWM CM SOT23-6 |
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