LTC3314AACBZ-R7

LTC®3314A is a 5V, dual 4A/dual-phase 8A step-down DC/DC regulator. It features dual monolithic synchronous 4A step-down converter in a 2.2mm × 2.7mm package for space-saving applications with demanding performance requirements. Using a constant frequency, peak current mode architecture at switching frequencies up to 3MHz, both bucks achieve high efficiency and fast transient response with small external components. The LTC3314A can also be configured as a single output, 2-phase 8A step-down converter. It operates in forced continuous or pulse skipping mode for low noise, or in Burst Mode operation for high efficiency at light loads. The common switching frequency is set to a default 2MHz, programmed with an external resistor, or synchronized to an external oscillator via the MODE/SYNC pin. Application includes servers, telecom power supplies, optical networking, distributed DC power systems (POL), FPGA, ASIC, µP core supplies, industrial/automotive/communications.

• ±1% maximum total DC output error, wide bandwidth, fast transient response
• Low ripple Burst Mode® operation with low IQ
• Internal compensation, precision enable, power good for power sequencing
• Operating supply voltage range from 2.25 to 5.5V (TA = 25°C, VIN = 3.3V)
• Typical under voltage lockout is 2.15V (VIN rising, TA = 25°C, VIN = 3.3V)
• Enable threshold range from 0.375 to 0.425V (VEN rising, TA = 25°C, VIN = 3.3V)
• Regulated feedback voltage range from 495 to 505mV (TA = 25°C, VIN = 3.3V)
• Maximum feedback pin input current is ±20nA (VFB = 500mV, TA = 25°C, VIN=3.3V)
• Oscillator frequency range from 1.9 to 2.1MHz (RT = 34.8KOhm to AGND, TA = 25°C)
• 30-lead WLCSP package, temperature range from -40°C to 125°C

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