Product Overview: LTC3558EUD#PBF

The LTC3558EUD#PBF is a high-performance integrated power management solution designed by Linear Technology, now part of Analog Devices. This compact and efficient device is specifically tailored for portable Li-Ion/Polymer battery applications. It combines a USB-compatible linear charger, a PowerPath manager, an efficient synchronous buck-boost regulator, and an always-on LDO, all in a small, low-profile package.

Key Features

• Integrated Power Management: This product features a multifunctional approach to power management, allowing for simultaneous operation of multiple functions within a single device.
• USB-Compatible Linear Charger: The LTC3558EUD#PBF includes a full-featured battery charger with programmable charge current up to 950mA, which can be adjusted via an external resistor.
• Efficient Synchronous Buck-Boost DC/DC Converter: The DC/DC converter is capable of providing a regulated output voltage with high efficiency, making it ideal for maintaining a constant power supply even as the battery voltage fluctuates.
• Always-On LDO: The low dropout regulator ensures a stable voltage supply for critical always-on circuitry, enhancing the reliability of the overall system.
• Compact QFN Package: Encased in a 24-pin (4mm × 4mm) QFN package, the LTC3558EUD#PBF is designed for space-constrained applications.
• Thermal Regulation: To protect against overheating, the device includes thermal regulation, which automatically reduces charge current if the die temperature approaches a preset threshold.

Applications

The LTC3558EUD#PBF is an ideal choice for a wide range of portable devices that require efficient power management. These include smartphones, portable media players, handheld GPS units, and other USB-powered gadgets.

Quality and Reliability

Linear Technology's commitment to high-quality and reliable products is evident in the LTC3558EUD#PBF. The device is designed to meet the stringent requirements of portable applications, ensuring a long operational life and consistent performance.

Ordering Information

The product is available with the part number LTC3558EUD#PBF. For detailed specifications, technical documentation, and ordering information, customers should contact Linear Technology or visit their website.