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

ltc1772cs6#tr pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC1772CS6#TR
LTC1772CS6#TR


IC REG CTRLR BUCK PWM CM SOT23-6

Data Sheet

0-5000: $1.12
LTC1772CS6#TRM
LTC1772CS6#TRM


IC REG CTRLR BUCK PWM CM SOT23-6

Data Sheet

0-3500: $1.15
LTC1772CS6#TRMPBF
LTC1772CS6#TRMPBF


IC REG CTRLR BUCK PWM CM SOT23-6

Data Sheet

0-1000: $1.11
LTC1772CS6#TRPBF
LTC1772CS6#TRPBF


IC REG CTRLR BUCK PWM CM SOT23-6

Data Sheet

0-2500: $1.10