OVER CURRENT, OVER VOLTAGE, OVER TEMPERATURE, SHORT CIRCUIT, UNDER VOL
Ripple Voltage (Main Out):
0.053 Vrms
Screening Level:
EN/IEC/UL 62368-1
Seated Height-Max:
13.2 mm
Surface Mount:
NO
Technology:
HYBRID
Terminal Form:
PIN/PEG
Terminal Position:
DUAL
Total Power Output-Max:
300 W
Trim/Adjustable Output:
YES
Warm-up Time:
0.06 s
Width:
57.9 mm
CHB300-300S28 Frequently Asked Questions (FAQs)
The recommended PCB layout for optimal thermal performance involves placing the DC-DC converter near a thermal pad or a heat sink, and ensuring good airflow around the component. Additionally, using a multi-layer PCB with thermal vias can help to dissipate heat more efficiently.
To ensure reliable start-up and shutdown of the converter, it is recommended to add a soft-start circuit to limit the inrush current during start-up, and to use a voltage supervisor or a power-good signal to monitor the output voltage and prevent the converter from operating outside of its specified range.
The maximum allowable capacitance on the output of the converter is typically limited by the stability of the feedback loop and the risk of oscillation. As a general rule, the output capacitance should be limited to 10-20 times the value of the output filter capacitor specified in the datasheet.
Yes, the CHB300-300S28 is designed to meet the requirements of high-reliability and high-availability applications. However, it is recommended to follow the manufacturer's guidelines for derating, thermal management, and fault tolerance to ensure the converter meets the specific requirements of the application.
To troubleshoot common issues such as output voltage deviations or oscillations, it is recommended to use an oscilloscope to monitor the output voltage and current waveforms, and to check the input voltage, output load, and PCB layout for any anomalies or deviations from the recommended design guidelines.
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CHB300-300S28 Overview
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