The LTC3226IUD#PBF is a high-performance, integrated charge pump energy storage solution from Analog Devices Inc. It is designed to provide a regulated output voltage from a single-cell Li-Ion or multi-cell alkaline/NiMH battery inputs. This product is well-suited for backup power applications where an energy storage supercapacitor or capacitor array is used to hold up the system voltage during a main power failure.

Key Features

• Automatic Recharge: The LTC3226 features an automatic recharge function for the energy storage capacitor, ensuring that the system is always ready for the next power interruption.
• Low Noise Operation: With its low noise charge pump technology, the LTC3226 provides a clean power supply, making it suitable for sensitive RF and analog applications.
• Adjustable Output: The output voltage is adjustable, allowing for flexibility in system design to match the voltage requirements of the load.
• PowerPath Control: The integrated PowerPath control enables seamless transitions between input power and backup power modes, minimizing system interruptions.
• Thermal Protection: Built-in thermal protection safeguards the device and the system from damage due to excessive temperatures.

Applications

The LTC3226IUD#PBF is ideal for a variety of applications where a reliable backup power source is critical. These include:

• Portable Instruments
• Handheld Devices
• Memory Backup Systems
• Industrial Controllers
• Automotive Telematics and Infotainment Systems

Technical Specifications

The device operates within an industrial temperature range of -40°C to +85°C and comes in a compact 20-lead QFN package. The LTC3226IUD#PBF is designed to work with supercapacitors ranging from several millifarads to several farads and at input voltages from 2.8V to 5.5V, making it a versatile solution for multiple power backup scenarios.

Quality and Reliability

Analog Devices Inc. is known for its commitment to quality and reliability, and the LTC3226IUD#PBF is no exception. It is manufactured to meet the high standards expected from industrial-grade components, ensuring performance and durability in demanding environments.