LTC3315BMPV#TRMPBF

LTC®3315B is dual 2A monolithic synchronous step-down converter operating from a 2.25V to 5.5V input supply in one package for space-constrained applications with demanding performance requirements. Using constant frequency, peak current mode control at switching frequencies up to 10MHz with a minimum on time as low as 25ns, both bucks achieve high efficiency and fast transient response in a very small application footprint. The LTC3315B operates in forced continuous or pulse skip mode for low noise or in Burst Mode® operation for high efficiency at light loads. The common buck switching frequency is 6MHz and can be synchronized to an external oscillator via the MODE/SYNC pin. Typical applications are servers, telecom supplies, optical networking, distributed DC power systems (POL), FPGA, ASIC, µP core supplies, industrial/automotive/communications.

• Regulated feedback voltage of 500mV
• Precision enable thresholds, PGOOD signal, output overvoltage protection, thermal shutdown
• Output short-circuit protection and up to 100% duty cycle operation for low dropout
• Safely tolerates inductor saturation in overload
• Shutdown current of 1.2µA
• Precision 400mV enable thresholds
• Internal soft-start and compensation
• Low profile, thermally enhanced 12-lead 2mm × 2mm × 0.74mm LQFN package
• –55°C to 150°C temperature range

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party