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3,500 pcs
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3500 pcs | On Request | 1 | On Request | On Request | 19+ | On Request | On Request |
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The LTC3878IGN#PBF is a synchronous step-down DC/DC controller from LT, optimized for high switching frequency and fast transient response. Its constant on-time valley current mode architecture supports a wide input voltage range from 4V to 38V and allows for very low duty factor operation without external sense resistors or slope compensation.
This controller features an adjustable switching frequency set by an external resistor, providing excellent line stability. It offers discontinuous mode operation for high efficiency during light load conditions and a forced continuous control pin to reduce noise. Safety features include output overvoltage protection and programmable current limit with foldback. The LTC3878IGN#PBF supports smooth start-up into pre-biased outputs and is pin compatible with the LTC1778 in certain applications.
Designed for applications such as distributed power systems, embedded computing, and communications infrastructure, the LTC3878IGN#PBF is available in a compact 16-pin narrow SSOP package, suitable for surface mount assembly.
The input voltage range is 4V to 38V.
The output voltage range is 0.8V to 90% of the input voltage.
The voltage reference is 0.8V with ±1% accuracy.
The minimum on-time is 43ns.
The LTC3878IGN#PBF is available in a 16-pin SSOP package.