LTC1474IS8-3.3 Power Management IC by Linear Technology

The LTC1474IS8-3.3 is a highly efficient, low power step-down DC/DC converter designed by Linear Technology, a company renowned for its high-performance analog integrated circuits. This product is tailored for battery-powered systems that require a compact, high-efficiency power conversion solution.

Key Features:

• High Efficiency: The LTC1474IS8-3.3 is capable of converting input voltages from 4.5V to 14V down to a fixed output voltage of 3.3V with up to 90% efficiency, which is crucial for prolonging battery life in portable devices.
• Low Quiescent Current: It features a very low quiescent current of 10µA, making it ideal for systems where conserving battery life is paramount.
• Shutdown Mode: The device includes a shutdown mode that reduces the supply current to under 10µA, further extending the battery life when the system is not active.
• Adjustable Switching Frequency: The LTC1474IS8-3.3 allows the user to set the switching frequency anywhere between 50kHz and 500kHz with an external resistor, providing flexibility in optimizing the size of external components and performance for specific applications.
• Burst Mode® Operation: This feature ensures high efficiency at low output currents, which is particularly beneficial for reducing power consumption during standby or light-load conditions.

Applications:

The LTC1474IS8-3.3 is versatile and can be used in a variety of applications, including but not limited to:

• Portable Computers
• Cellular Telephones
• Medical Instruments
• Handheld Instruments

Package and Reliability:

Encased in an 8-lead SOIC package, the LTC1474IS8-3.3 is designed to meet the stringent space requirements of compact electronic devices. The IC is characterized for operation from -40°C to 85°C, ensuring reliable performance across a wide range of temperatures.

In summary, the LTC1474IS8-3.3 by Linear Technology is a robust power management solution that offers high efficiency, low quiescent current, and a versatile feature set for designing energy-efficient and space-constrained applications.