VR5100 Multi-Output DC/DC Regulator for Low-Power LS1 Communication Processors Rev. 6.0 26 October 2020 Product data sheet: Technical data 1 General Description The VR5100 is a high performance, highly integrated, multi-output, DC/DC regulator solution, with integrated power MOSFETs, ideally suited for the LS1 family of communications processors. Integrating three buck converters, six linear regulators, RTC supply and a coin-cell charger, the VR5100 can provide power for a complete system, including communications processors, memory, and system peripherals. 1.1 Features Three adjustable high efficiency buck regulators: 3.8 A, 1.25 A, 1.5 A Selectable modes: PWM, PFM, APS 5.0 V, 600 mA boost regulator with PFM or Auto mode Six adjustable general purpose linear regulators Input voltage range: 2.8 V to 4.5 V OTP (One Time Programmable) memory for device configuration Programmable start-up sequence and timing Selectable output voltage, frequency, soft start 2 I C control Always ON RTC supply and Coin cell charger DDR reference voltage 40 C to +125 C operating junction temperatureNXP Semiconductors VR5100 Multi-Output DC/DC Regulator for Low-Power LS1 Communication Processors 2 VR5100 Simplified Application Block Diagram VR5100 LS1012 MAIN SUPPLY SWITCHING REGULATORS 2.8 - 4.5 V SW1 VDDx 0.7 to 1.425 V, 1.8 V, 3.3 V 3.8 A S1VDDx USB SDVDD USB SVDD XOSC VDD SW2 AVDD CGA1 1.50 to 1.85 V 1.25 A AVDD PLAT or 2.5 to 3.3 V 1.25 A O1VDDx O2VDDx THVDD SW3 G1 VDDx 0.90 to 1.65 V, 1.5 A AVDD SD1 PLLx AVDD REF SWBST 5.00 to 5.15 V, 0.6 A X1VDD x LINEAR REGLATORS DDR MEMORY REFOUT LICELL COIN CELL CHARGER LDO1 VDD POVD 1.8 to 3.3 V 100 mA LDO2 0.80 to 1.55 V 250 mA LDO3 1.8 - 3.3 V 100 mA LDO4 1.8 - 3.3 V 350 mA V33 USB HVDD 2.85 - 3.3 V 350 mA VSD 1.8 V 100 mA EVDD or 3.3 V 100 mA PORB EN PARALLEL STBY CONTROL/GPIOS SD VSEL INTB 2 2 I C I C aaa-038949 Figure 1.VR5100 simplified application diagram VR5100 All information provided in this document is subject to legal disclaimers. NXP B.V. 2020. All rights reserved. Product data sheet: Technical data Rev. 6.0 26 October 2020 2 / 118