LTC3789EGN PBF LTC3789EGN LTC3789 SSOP28 Boost Converter Chip
The LTC3789 is a high-performance buck-boost switching regulator controller that operates from input voltages above, below, or equal to the output voltage. The constant-frequency, current mode architecture allows a phase-lockable frequency of up to 600kHz, while an output current feedback loop provides support for battery charging.
The LTC3789 is a high-performance buck-boost switching regulator controller that operates from input voltages above, below, or equal to the output voltage. The constant-frequency, current mode architecture allows a phase-lockable frequency of up to 600kHz, while an output current feedback loop provides support for battery charging. With a wide 4V to 38V (40V maximum) input and output range and seamless, low-noise transitions between operating regions, the LTC3789 is ideal for automotive, telecom, and battery-powered systems.
The operating mode of the controller is determined through the MODE/PLLIN pin. The MODE/PLLIN pin can select between pulse-skipping mode and forced continuous mode operation and allows the IC to be synchronized to an external clock. Pulse-skipping mode offers the lowest ripple at light loads, while forced continuous mode operates at a constant frequency for noise-sensitive applications.
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