Summary:
This reference design is designed to support universal AC input (90-264VAC), 5V 1A isolated flyback adapter. This reference design is based on iWatt's iw1691-03 device. This reference design contains a complete power supply for designing a power adapter. Specifications, detailed circuit diagrams, bill of materials, and test data with important performance.
Characteristic indicators:
- AC input range: 90-264V AC
- DC output: 5V 1A
- Meet the "150mW" no-load standby power requirements
- Meet the requirements of "EPA2.0"
- Maximum ripple <100mVP_P
- No Y-CAP design
- Small size outer diameter is 22mm (L) X 20 mm (W) X 20 mm (H)]
Power adapter pcb board diagram
Power adapter circuit diagram
Power adapter pcb layout
Power adapter component list
Test result data
Iw1691-03 small size 5V, 1A power adapter reference design see PDF document
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