OVER CURRENT, OVER TEMPERATURE, OVER VOLTAGE, REVERSE POLARITY, SCP
Ripple Voltage (Main Out):
0.03 Vrms
Seated Height-Max:
45 mm
Surface Mount:
NO
Technology:
HYBRID
Terminal Form:
UNSPECIFIED
Terminal Position:
UNSPECIFIED
Total Power Output-Max:
300 W
Trim/Adjustable Output:
NO
Warm-up Time:
0.6 s
Width:
76 mm
B62SR12424A Frequently Asked Questions (FAQs)
The recommended PCB layout for optimal thermal performance involves placing the DC-DC converter near a metal edge of the PCB, using a solid ground plane, and keeping the input and output capacitors close to the converter. A 4-layer PCB with a dedicated thermal layer is also recommended.
To ensure reliable start-up and shutdown, it is recommended to add a soft-start circuit to limit the inrush current, and to use a voltage supervisor to monitor the input voltage and ensure the converter is enabled only when the input voltage is within the specified range.
The recommended input capacitors are low-ESR ceramic capacitors with a voltage rating of 50V or higher, and a capacitance value of 10uF to 22uF. The recommended output capacitors are low-ESR ceramic or polymer capacitors with a voltage rating of 12V or higher, and a capacitance value of 10uF to 47uF.
To protect the converter from overcurrent and overvoltage conditions, it is recommended to add overcurrent protection (OCP) and overvoltage protection (OVP) circuits. The OCP circuit should be set to 120% of the maximum rated output current, and the OVP circuit should be set to 120% of the maximum rated output voltage.
The recommended heat sink design involves using a heat sink with a thermal resistance of 10°C/W or lower, and a surface finish that ensures good thermal contact with the converter. The heat sink should be mounted using a thermal interface material (TIM) with a thermal conductivity of 1 W/m-K or higher.
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B62SR12424A Overview
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