Overview
Description
The ISL68200DEMO1Z is a 6-layer board used to demonstrate a compact 17mm x 17mm 20A synchronous buck converter. Transient performance, fault protections, DC/AC regulations, PMBus programming, power sequencing, margining and other features can be evaluated using this board.
The ISL68200 is a single-phase synchronous buck PWM controller featuring Renesas' proprietary R4™ Technology, which has extremely fast transient performance, accurately regulated frequency control and all internal compensation. The ISL68200 supports a wide 4.5V to 24V input voltage range and a wide 0.5V to 5.5V output range. It includes programmable functions and telemetries for easy use and high system flexibility using an SMBus, PMBus, or I2C interface.
The PMBus dongle (ISLUSBEVAL1Z), i.e., USB-to-PMBus™ adapter, and USB cable are included in the demonstration kit. Renesas' PowerNavigator™ evaluation software can be installed from Renesas' website and evaluate the full PMBus functionality of the part using a PC running Microsoft Windows 7 or 8.
Features
- 20A synchronous buck converter with PMBus control
- On-board transient load with adjustable di/dt
- Configurable through resistor pins
- Cascadable PMBus connectors
- Integrated LDOs for single rail solution
- Enable switch and power-good indicator
- All ceramics solution with SP capacitor footprint option
Applications
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These PMBus™ compatible single-phase digital hybrid DC/DC controllers are ideal for point-of-load (POL) conversions. They support a wide range of applications, including FPGAs, DSPs, ASICs, processors, and general-purpose system rails.
The ISL68200 model is integrated with MOSFET drivers, making power supply design simpler. The ISL68201 features a PWM output for efficient performance. Both models are designed to meet the demands of data centers and wireless infrastructure applications.