USERS MANUAL ISL68201-99140DEMO1Z UG068 Rev 0.00 Demonstration Board User Guide March 10, 2016 The ISL68201 is a single-phase synchronous buck PWM Key Features controller featuring Intersils proprietary R4 Technology, which has extremely fast transient performance, accurately 35A synchronous buck converter with PMBus control regulated frequency control and all internal compensation. The On-board transient load with adjustable di/dt ISL68201 supports a wide 4.5V to 24V input voltage range and Configurable through resistor pins a wide 0.5V to 5.5V output range. It includes programmable functions and telemetries for easy use and high system Cascadable PMBus connectors 2 flexibility using SMBus, PMBus, or I C interface. See the Integrated LDOs for single rail solution ISL68201 datasheet for more details. Enable switch and power-good indicator The ISL99140 is a high performance DrMOS power stage All ceramics solution with SP capacitor footprint option designed for high frequency power conversion. By combining a high performance FET driver and MOSFETs in an advanced Target Specifications package, high density DC/DC converters may be created. V = 4.75V to 14.5V The ISL68201-99140DEMO1Z is a 6-layer board IN demonstrating a compact 17mmx17mm 35A synchronous V = 1V/35A full load OUT buck converter. Transient performance, fault protections, f = 400kHz SW DC/AC regulations, PMBus programming, power sequencing, margining and other features can be evaluated using this Peak efficiency: board. - 88.3% at 15A/1V /12V OUT IN - 94.5% at 10A/2.5V /5V The PMBus dongle (ZLUSBEVAL3Z), i.e., USB-to-PMBus OUT IN adapter, and USB cable are included in the demonstration kit. Output regulation: 1V 8mV Intersils PowerNavigator evaluation software can be I/O capacitor rating: C - 16V C - 4V IN OUT installed from Intersils website and evaluate the full PMBus functionality of the part using a PC running Microsoft Compact size: 17mmx17mm Windows 7 or 8. 2 With or without PMBus/SMBus/I C capability References Ordering Information ISL68201 datasheet PART NUMBER DESCRIPTION AN1900, USB to PMBus Adapter ISL68201- ISL68201-99140 demonstration kit 99140DEMO1Z (demonstration board, dongle, USB cable) Intersils PowerNavigator User Guide 1.0F 4.7F VCC PVCC VIN 7VLDO 4.75 TO 15V 1.0F 2 I C/ SALERT ISL99140 BOOT SMBus/ SCL PMBus SDA V < 7VLDO 1.7V FCCM OUT UG 0.5V TO 2.5V PGOOD PGOOD PWM PWM PHASE EN EN LG LGIN VCC IOUT 100 10k VCC NTC 1.54k VCC NTC NCP18XH103J03RB 0.1F BETA = 3380 4 PROG1-4 CSEN CSRTN VSEN RGND GND FIGURE 1. ISL68201-99140DEMO1Z SIMPLIFIED SCHEMATIC UG068 Rev 0.00 Page 1 of 23 March 10, 2016ISL68201-99140DEMO1Z FIGURE 2. DEMONSTRATION BOARD TOP VIEW FIGURE 3. DEMONSTRATION BOARD BOTTOM VIEW Furthermore, an on-board transient load, as shown on Figure 4, Demonstration Board Description with di/dt and load step amplitude is controlled by a function The ISL68201-99140DEMO1Z provides all circuitry required to generator. Since this auxiliary circuit draws more than 10mA demonstrate the key features of the ISL68201. A majority of the current, the jumper on JP5 should be removed for accurate features of the ISL68201, such as optimal transient response efficiency measurement. with Intersils R4 Modulator, 8-bit programmable boot voltage Intersils PowerNavigator evaluation software is compatible levels, selectable switching frequency in continuous conduction with Windows XP, 7 or 8 operating systems and can be used to mode, selectable PFM operation option for improved light-load evaluate the series bus functionality of the ISL68201. The efficiency, power-good monitor for soft-start and fault detection, software and user guide can be found on following Intersil over-temperature protection, output overcurrent and short-circuit website: