Introducing the LTC1174CN8-3.3 High-Efficiency Step-Down DC-DC Converter

The LTC1174CN8-3.3 is a robust and efficient step-down DC-DC converter designed and manufactured by Linear Technology, a renowned leader in the field of power management solutions. This device is engineered to provide a fixed output voltage of 3.3V, which is a common requirement for many digital circuits and microcontroller-based applications. The LTC1174CN8-3.3 stands out for its ability to maintain a high level of efficiency across a wide range of load conditions, making it an ideal choice for battery-powered devices and portable applications.

Key Features

• High Efficiency: Capable of converting input voltages ranging from 4.5V to 18V, the LTC1174CN8-3.3 can deliver a continuous output current of up to 1.25A with efficiencies as high as 90%.
• Burst Mode® Operation: The inclusion of Linear Technology's proprietary Burst Mode operation significantly reduces quiescent current under light loads, thereby extending battery life in portable applications.
• Low Dropout Operation: This converter can operate with a minimal difference between input and output voltages, which is advantageous when the input supply is limited.
• No Schottky Diode Required: The innovative design eliminates the need for an external Schottky diode, simplifying the circuit and saving board space.
• Thermal Protection: The LTC1174CN8-3.3 includes thermal shutdown to protect the device under over-temperature conditions.

Applications

• Portable Electronics
• Battery-Powered Systems
• Embedded Systems
• Microcontroller Power Supplies

The LTC1174CN8-3.3 is packaged in an 8-pin PDIP (Plastic Dual In-line Package), which is suitable for through-hole mounting, providing robustness for various industrial environments. Its simple external circuitry requirements and the ability to provide a stable 3.3V output without the need for complex feedback loops make it a user-friendly choice for both hobbyists and professional designers.

Whether you're developing a new portable device or looking to improve the power efficiency of an existing product, the LTC1174CN8-3.3 from Linear Technology is a reliable and cost-effective solution that promises to deliver performance and durability.