XP Power recommends a PCB layout with a large copper area connected to the tab of the IL1203S to dissipate heat efficiently. A minimum of 1 oz copper thickness is recommended, and the copper area should be connected to a solid ground plane to reduce thermal resistance.
To ensure reliable start-up, XP Power recommends a soft-start circuit to limit the inrush current and prevent voltage drops on the input supply. Additionally, a sufficient input capacitance (e.g., 10uF) should be used to filter out noise and ensure stable operation.
The maximum allowed capacitance on the output of the IL1203S is 10uF. Exceeding this value may cause instability or oscillations in the converter. If a larger output capacitance is required, XP Power recommends consulting with their application engineers to ensure stable operation.
The IL1203S is rated for operation up to 85°C ambient temperature. However, derating of the output power may be necessary for temperatures above 70°C. XP Power recommends consulting their application engineers for specific guidance on high-temperature operation.
XP Power recommends following a systematic troubleshooting approach, including checking the input voltage, output load, and PCB layout. Additionally, measuring the voltage on the enable pin and the output voltage can help identify the root cause of the issue. If the problem persists, contacting XP Power's technical support is recommended.
Trust Checks
This model has been provided by an expert contributor.
Expert Contribution
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
IL1203S Overview
Use the download button to access the IL1203S schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like IL120,
or try a keyword search, such as Power Supply Modules
Suggested Parts
If you searched for IL1203S, you might also be interested in these parts:
