Product Summary

The CT63 is a high-efficiency synchronous step-up DC-DC converter that consumes just 17μA of quiescent supply current and is capable of delivering more than 400mA output current using only three external components. This device achieves a typical startup voltage of just 0.95V, making this device ideal for applications operating from 1 or 2 alkaline cells. It is ideal for: (1)Hand-Held Devices; (2)One to Three Cell Battery Operated Devices; (3)PDAs; (4)Cellular Phones; (5)Digital Cameras; (6)GPS.



Parametrics

CT63 absolute maximum ratings: (1)OUT, EN to G: -0.3 to 6 V; (2)FB, LX to G: -0.3 to VOUT + 0.3 V; (3)Continuous LX Current: Internally Limited A; (4)Maximum Power Dissipation (derate 5mW/°C above TA = 50°C): 0.53 W; (5)Junction to Ambient Thermal Resistance (q JA): 190 °C/W; (6)Operating Junction Temperature: -40 to 150°C; (7)Storage Temperature: -55 to 150°C; (8)Lead Temperature (Soldering, 10 sec): 300°C.

Features

CT63 features: (1)0.95V Typical Startup Voltage; (2)Up to 94% Efficiencyn Fully Integrated Power Stage; (3)Fixed 3.3V / 5V or Adjustable Output Voltage; (4)NanoStandby Shutdown Mode; (5)Tiny SOT 23-5 Package.

Diagrams

CT63 pin connection