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Application Note 1960
ISL85403DEMO1Z Demonstration Board User Guide
Description
The ISL85403DEMO1Z board allows quick evaluation of the
ISL85403 in the synchronous buck configuration. It also
demonstrates the compact size solution for the wide input
voltage range point-of-load DC/DC converter using ISL85403.
Specifications
The design specifications of the ISL85403DEMO1Z are shown
in Table 1.
Key Features
•Small, compact design
•V
IN
range of 7V to 40V
•V
OUT
adjustable from 0.8V to 5V
• Convenient power connection
References
ISL85403 Datasheet
TABLE 1. SPECIFICATIONS
PARAMETERS VALUES
Input Voltage (V
IN
)7V to 40V
Output Voltage (V
OUT
)5.0V
Max. Output Current (IOUT_MAX) 2.5A
Switching Frequency 500kHz
Output Ripple 50mV at 2.5A Load
Peak Efficiency 93% at 50% Load, 12V Input
Ordering Information
PART NUMBER DESCRIPTION
ISL85403DEMO1Z ISL85403 Evaluation kit, synchronous buck
configuration 5V output
FIGURE 1. TOP VIEW FIGURE 2. BOTTOM VIEW
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas LLC 2014, 2015. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
March 13, 2015
AN1960.1
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