Product Overview: LTC3448EDD#PBF

The LTC3448EDD#PBF is a high-efficiency, extended VIN range, synchronous buck regulator from Linear Technology, now part of Analog Devices. This compact and powerful integrated circuit (IC) is designed to convert a higher input voltage to a lower output voltage with a high degree of efficiency, making it an ideal choice for portable devices, industrial equipment, and automotive applications that require a stable and efficient power supply.

Key Features

• Wide Input Voltage Range: The LTC3448EDD#PBF operates over a wide input voltage range of 3V to 20V, making it versatile for various applications.
• High Efficiency: With its synchronous rectification topology, this buck regulator achieves up to 96% efficiency, minimizing heat dissipation and improving battery life in portable applications.
• Adjustable Output Voltage: The output voltage can be set from 0.6V to VIN with an external resistor divider, providing flexibility to power a wide range of loads.
• No RSENSE Operation: The regulator does not require an external sense resistor, reducing the bill of materials and simplifying the circuit design.
• Low Dropout Operation: The LTC3448EDD#PBF's low dropout capability ensures continuous operation even when the input voltage is close to the output voltage, essential for battery-powered applications.
• Burst Mode® Operation: It features Burst Mode operation, which reduces quiescent current to only 25µA during light loads or standby, extending battery life in portable devices.
• Compact Package: Housed in a 10-lead DFN (3mm x 3mm) package, the LTC3448EDD#PBF is designed for space-constrained applications.

Applications

• Portable Electronics
• Automotive Power Systems
• Industrial Supplies
• Point of Load (POL) Regulation

The LTC3448EDD#PBF is a robust power management solution that combines flexibility, high efficiency, and compact design to meet the needs of a broad array of applications. Its capability to handle a wide input range while providing a stable output makes it a reliable choice for designers looking to optimize their power systems for performance and efficiency.