Description:The MEW1000 series is a range of isolated 2W DC-DC converter modules featuring fully regulated output and ultra-wide 4:1 input voltage ranges. The product comes in a SIP-9 package with a very small footprint occupying only 2.4 0.36 square in. on the PCB.
OVER CURRENT, OVER LOAD, SHORT CIRCUIT, UNDER VOLTAGE
Ripple Voltage (Main Out):
0.017675 Vrms
Screening Level:
EN/IEC/UL 62368-1
Seated Height-Max:
12.95 mm
Surface Mount:
NO
Technology:
HYBRID
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
SINGLE
Total Power Output-Max:
2 W
Trim/Adjustable Output:
NO
Width:
9.25 mm
MEW1032 Frequently Asked Questions (FAQs)
Minmax recommends a 4-layer PCB with a solid ground plane and thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended for the top and bottom layers. Additionally, a thermal pad on the bottom of the device should be connected to a heat sink or a large copper area to ensure efficient heat dissipation.
To ensure EMC, Minmax recommends following proper PCB design and layout guidelines, such as keeping sensitive analog signals away from the DC-DC converter, using a common mode choke, and adding EMI filters on the input and output lines. Additionally, the device should be placed in a shielded enclosure to minimize radiated emissions.
The maximum allowable capacitance on the output of the MEW1032 is 220uF. Exceeding this value may cause instability or oscillation in the output voltage. It's recommended to use a low-ESR capacitor with a value between 10uF to 100uF for optimal performance.
The MEW1032 is rated for operation up to 85°C ambient temperature. However, derating is required for temperatures above 70°C. Minmax recommends consulting the datasheet for derating curves and ensuring proper thermal management to prevent overheating.
To troubleshoot issues with the MEW1032, Minmax recommends checking the input voltage, output voltage, and current draw. Ensure that the input voltage is within the specified range, and the output voltage is within the desired range. Check for any signs of overheating, and verify that the device is properly soldered and connected. Consult the datasheet and application notes for more detailed troubleshooting guidelines.
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MEW1032 Overview
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