LTC1261LIS8#PBF

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The LTC1261LIS8#PBF is a DC/DC switching regulator from Linear Technology Corporation. It is part of their Power Management Integrated Circuits (PMIC) family and uses industry standard switching technology. Designed to be a complete low-cost, high-efficiency power solution, the circuit provides high-performance power solutions in a variety of applications. The LTC1261LIS8#PBF is suitable for both DC to DC and DC to AC conversions, as well as providing a wide range of adjustable voltage and current levels.

The LTC1261LIS8#PBF is a DC/DC switching regulator that makes use of a size, temperature and load compensated control loop to give a regulated voltage output. The circuit features a wide input voltage range from 4.5V to 38V and a wide adjustable output voltage range from 0.8V to 28V. The switching frequency is adjustable from 300kHz to 1.2MHz, allowing for higher energy efficiency. The device is capable of providing up to 400mV pk-pk ripple at full load and up to 1A output current. The full-load efficiency is up to 90%. The device’s wide input voltage range makes it suitable for common 12V automotive applications, and its adjustable output voltage makes it ideal for LED drivers, PoE PDs and DC/DC converters.

The LTC1261LIS8#PBF contains several protective features, including cycle-by-cycle over-current limit, programmable soft-start and protection against input under-voltage, output overvoltage and output short-circuit conditions. The device also includes an integrated shutdown facility that can be enabled or disabled through the I/O pins. The LTC1261LIS8#PBF can be operated in a variety of conditions, including forced continuous, forced off and auto-track modes. Furthermore, it can be used with an optional power-good signal for monitoring the output of the converter. The device is rated for operation over the –40°C to +105°C temperature range. It features a 6-lead SC-70 package and comes in temperatures from –40°C to +85°C.

The LTC1261LIS8#PBF is ideal for a wide range of applications that require a high performance, efficient DC/DC converter with a wide adjustable output voltage range. It is well suited for LED drivers, PoE PDs, and DC/DC applications. The device’s wide input voltage range, high efficiency and integrated protection features make it an excellent choice for designers looking for a cost-effective, reliable power solution.

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