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Partname: | LTC3521EUF-TRPBF |
Description: | Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
Manufacturer: | Linear Technology |
Datasheet: | PDF (1.58M). Click here to download *) |
The LTC3521 combines a 1A buck-boost DC/DC converter and dual 600mA synchronous buck DC/DC converters. The 1.1MHz switching frequency minimizes the solution footprint while maintaining high efficiency. All three converters feature soft-start and internal compensation to minimize the solution footprint and simplify the design process. The buck converters are current mode controlled and utilize an internal synchronous rectifier to improve efficiency. The buck converters support 100% duty cycle operation to extend battery life. If the PWM pin is held low, the buck converters automatically transition from Burst Mode operation to PWM mode at high loads. With the PWM pin held high, the buck converters remain in low noise, 1.1MHz PWM mode. |
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