LTC3644EY#PBF

LTC3644 is a quad 1.25A output, high efficiency synchronous monolithic step-down regulator capable of operating from input supplies upto 17V. The regulator features ultralow quiescent current and high efficiency over a wide VIN and VOUT range. A user selectable mode input is provided to allow the user to trade off ripple noise for light load efficiency; Burst Mode® operation provides the highest efficiency at light loads, while forced-continuous mode provides the lowest ripple noise. The regulators can be synchronized to an external clock. It is used in application such as battery powered systems, point-of-load supplies, portable handheld scanners and cameras etc.

• 1MHz frequency
• Wide VIN range is 2.7V to 17V
• Wide VOUT range is 0.6V to VIN
• NMOS on resistance is 80Mohm typical, PMOS on resistance is 300Mohm
• Input quiescent current is 10µA typical at (burst mode, no load)
• ±1% output voltage accuracy
• Current mode operation for excellent line and load transient response
• Phase shift programmable with external clock
• Operating junction temperature is -40°C to 125°C
• Package style is 36-ball BGA

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