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MD605S-05RW Datasheet(PDF) 3 Page - MicroPower Direct, LLC |
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MD605S-05RW Datasheet(HTML) 3 Page - MicroPower Direct, LLC |
3 / 4 page MicroPower Direct • 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: sales@micropowerdirect.com www.micropowerdirect.com Typical Connection For applications that require meeting EMC standards,the diagram above illustrates a typical connection of the MD600xRW series. The units do not require external components to operate as specified.Some notes on this diagram (starting with the input circuit) are: 1. An external fuse should be used in all power module applications. The recommended fuse is shown in the model chart on page 2. 2. To protect against a surge, an external MOV is recommended on the input. For a suggested value, contact the factory. 3. To protect against voltage spikes, it is recommended that a TVS be used on the input. For a suggested value, contact the factory. 4. The filtering components shown are needed to meet the conducted emissions requirements for EN 55022 ClassA.All components should be mounted as close to the converter as possible. Typical Board Layout: With External Filter Components for Single Output Unit 5. Recommended values for components are: Component 5 VIN 12 VIN 24 VIN 48 VIN C1 220 µF/25V C2 22 µF/25V 10 µF/50V 10 µF/50V 2.2 µF/100V LDM1 10 µH 10 µH 10 µH 15 µH C3 22 µF/25V 10 µF/50V 10 µF/50V 2.2 µF/100V C4 220 pF/3 kV 220 pF/3 kV 220 pF/3 kV 220 pF/3 kV C5 220 pF/3 kV 220 pF/3 kV 220 pF/3 kV 220 pF/3 kV C6 10 µF - 22 µF 6. To meet the requirements of EN 61000-4-4 and EN 61000-4-5,an external input capacitor is required for all models.The suggested value is 330 µF/100V. Contact the factory for more information 7. The output filtering capacitor (C6) is a high frequency, low resistance electrolytic capacitor. Care must be taken in choosing this capacitor not to exceed the capacitive load specification for the unit. Voltage derating of capacitors should be 80% or above 8. The drawings below show typical board layouts for the EMI circuit shown above (one for single output models and one for dual output units). 9. In many applications simply adding input/output capacitors will enhance the input surge protection and reduce output ripple sufficiently. The value of the input capacitor can range from 220 µF to 330 µF, depending on the needs of the application. The output capacitor would typically be 10 µF. Typical Board Layout: With External Filter Components for Dual Output Unit |
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