LT1578CS8-2.5#PBF

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The LT1578CS8-2.5#PBF is a high efficiency DC/DC switching regulated integrated circuit designed for conversion between input voltages of 2.5V and 5V. It is a very versatile, low power consumption device with a wide variety of applications. The IC utilizes the PI regulator core, which has a wide dynamic range, enabling it to provide for a wide range of possible input/output configurations.

The LT1578CS8-2.5#PBF is capable of providing up to 2.5MHz of switching frequency and a peak current limit of up to 2A. It also has low quiescent current consumption of only 18μA. The device has excellent line and load transient characteristics and can provide good voltage and current stability throughout the entire operation range.

The LT1578CS8-2.5#PBF is designed to provide a power regulation solution for applications such as consumer electronic devices, mobile phones, PDAs, notebooks, and other applications that require low voltage, high current regulation. The design of the IC includes two power MOSFETs for high current output regulation and a voltage feedback loop with voltage error amplifier for controlling output voltage.

The voltage error amplifier uses a voltage reference to set the maximum allowed value for the output voltage. The reference can be adjusted by the user and is programmed using two pins for the voltage adjustment. The voltage error amplifier then compares the output voltage to the reference and drives the MOSFETs accordingly. The current limit of the IC is determined by the current sense resistor and is set manually using another two pins.

The design of the LT1578CS8-2.5#PBF is optimized to achieve low output voltage ripple, low noise, and a fast transient response time. The switching frequency is adjustable and is typically set to 1.2MHz. The device can also provide an output over-current and short circuit protection by monitoring the sense resistor. Other features of the LT1578CS8-2.5#PBF include an over-temperature shutdown and under-voltage lockout, as well as an active discharge feature.

Overall, the LT1578CS8-2.5#PBF is an excellent DC/DC switching regulator suitable for low voltage, high current applications. It is highly efficient and can be used to provide 1A of continuous current with a very low power consumption. The fast transient response and excellent line and load regulation make it a great choice for applications that require precise voltage and current regulation.

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