LT1170HVCT#30PBF

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The LT1170HVCT#30PBF is a high performance, low noise, low drop out DC-DC switching regulator specifically designed for battery operated systems offering high efficiency and fast transient response. It is primarily designed for battery powered systems including cell phones, PDAs, laptop computers, handheld instruments, electronic games and digital cameras. Key features of the LT1170HVCT#30PBF include internally trimmed current sense, low dropout voltage, adjustable output voltage, and 2.5ms minimum start-up time. It is also capable of providing operating current up to 1.5A with very low ripple (typical values less than 10% of output voltage).

The LT1170HVCT#30PBF\'s quiet supply switching feature eliminates audible noise in battery powered systems. Its common mode noise rejection and output voltage stability characteristics also provide excellent performance with long life. The fast switching frequency reduces input current draw, decreasing battery life. The LT1170HVCT#30PBF has an adjustable output voltage that can be set to both positive and negative levels, from 5 to 28V.

The LT1170HVCT#30PBF is designed with both internal current limit and thermal limiting protection to safeguard against output failure and improve system reliability. It also features a logic level enable pin which requires a 1.2V signal for the device to enable. The LT1170HVCT#30PBF switches at a fixed frequency of 1MHz, and is optimized for efficiency across the entire input voltage range.

The LT1170HVCT#30PBF is a synchronous buck DC-DC converter, operates with a wide 4.5V to 28V input voltage range and can provide an adjustable output voltage up to 28V and as low as 0V. Its high efficiency features allow it to deliver up to 1.5A output current while dissipating very little power. Its fast transient response enables it to respond quickly to load current changes.

The LT1170HVCT#30PBF offers low output ripple and low noise across the switching frequency range and is designed for those applications that require noise free power supply. It has protection against short circuits, and over temperature protection. It also features a high current logic enable pin and an adjustable current limit circuitry to support high current applications.

The LT1170HVCT#30PBF utilizes a high frequency mode switch to decrease power dissipation and optimize efficiency. The device is designed with two stages, a synchronous rectification stage for efficiency and a linear stage for output current stability, to provide better output performance with minimal power loss.

In summary, the LT1170HVCT#30PBF is a high performance, low noise DC-DC switching regulator specifically designed for battery operated systems offering high efficiency and fast transient response. It is especially useful in battery powered systems including cell phones, PDAs, laptop computers, handheld instruments, electronic games and digital cameras. With its low noise concept, high efficiency, and adjustable output voltage, the LT1170HVCT#30PBF is an excellent choice for optimizing power supply in battery powered electronic devices.

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