LTC4225CUFD-1#PBF

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The LTC4225CUFD-1#PBF is a high-performance hot swap controller, aimed primarily optimized to manage power transients and maximize long-term reliability of switch-mode power supplies (SMPS). The product is especially well suited for use in applications involving multiple output voltages and requires very high-precision voltage control.

Built using process-portfolio-optimized-TSSOP38, the LTC4225CUFD-1#PBF is capable of a wide 4V to 33V operating range with up to 3A output current capability. It offers low on-resistance and wide hysteresis for improved output ripple and faster response times. The product also provides over current protection and thermal shutdown protection, further increasing safety and reliability. It includes a single-pole double-throw (SPDT) switch that can handle up to 6A of current and has an adjustable turn-on and turn-off time.

The LTC4225CUFD-1#PBF is designed to handle higher voltage inputs (VIN> 6V). The product also offers a wide variety of power management and fault protection options, including:

• Single stage over-temperature protection
• Input over-voltage protection
• Output over-voltage protection
• Output short-circuit protection
• Output overcurrent protection
• Adjustable turn-on and turn-off times

At the heart of the LTC4225CUFD-1#PBF is an advanced On-Time Control™ architecture designed to accurately manage power transients and enable control of multiple output voltages with very high accuracy. The On-Time Control architecture uses a PID-type control system to adjust the time necessary to turn on or off the outputs of the device. The device also features an adjustable "soft-start" feature which delays the onset of output voltage during start-up, allowing for more gradual power-up and minimizing inrush currents.

The LTC4225CUFD-1#PBF is especially suited for use in highly precise power supplies applications such as switch-mode power supplies (SMPS), AC/DC power adapters, LED lighting systems, microprocessors, and microcontrollers, server and storage systems, industrial and process control systems, test and measurement systems, and consumer devices.

The product may also be used for secondary power source protection, such as in applications where a secondary power source is used to ensure against power outage. The product offers intuitive fault protection to ensure secondary power source takes over in the case of a primary power source failure. This could neutralize sensitive components from receiving unstable or incorrect voltages.

Besides being utilized as standalone architecture, the LTC4225CUFD-1#PBF can also be used as companion device to LTC SmartPower stages and other control ICs. By combining with control ICs the LTC4225CUFD-1#PBF supports different types of voltage control such as voltage level switching and digital programmability.

The LTC4225CUFD-1#PBF is a powerful and versatile hot swap controller, providing a range of features and capabilities to manage power transients and ensure an efficient and reliable power supply. Its flexibility allows it to be used across a range of applications, in a variety of control topologies and system architectures. From secondary power source protection to multi-output voltage applications, the LTC4225CUFD-1#PBF is the prefect solution for any application requiring hot swap control capabilities.

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