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Powering Greater Safety and Performance in SMPS
The benefits of Switch Mode Power Supplies (SMPS) are universally appreciated by electronics designers. Besides being more efficient than their linear counterparts, they can be built smaller in size and lighter in weight, making them the perfect choice to power compact, portable devices that are so prevalent today.
At Avnet, we are pushing SMPS design to new levels through innovations that enhance safety and performance. The 1.8W isolated SMPS, of note, incorporates surge protection within its handy size, as well as tamper resistance that withstands 0.5 Tesla magnetic susceptibility in all directions, and it even tolerates up to 450Vac Line to Neutral input voltages. For innovators who demands more from a power supply, Avnet is ready to equip them with a worthy solution.
Features
• Operating input voltage: 90Vac – 300Vac
• Withstands up to 450Vac Line to Neutral
• Output: Isolated 9Vdc @ 200mA continuous
• EFT: 4.0KV (IEC61000-4-4)
• Surge: 4.0KV (IEC61000-4-5)
• Tamper resistant: withstands 0.5 Tesla magnetic susceptibility test (all direction)
• 67mm x 30mm x 25mm (L x W x H)
Key Components
• PWM controller (iW1709-00) – Dialog semi
• High voltage BJT (BUJ403A) – NXP
• Diodes (MUR160T3G) – On-semi
• Electrolytic capacitors – Samwha
• Varistor (SVC821D–10ABS7) - Samwha
Target Applications
• Metering industry
• General applications
Block Diagram
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