2W low cost constant voltage power adapter circuit design

1.5PF SOT23-6 Low Capacitance 5V Breakdown Voltage 6V SRV05

Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin

MOS power IC full range

Photocoupler

Summary:

Way of working

The LinkSwitch-XT flyback converter (Figure 1) provides 2 W of precisely regulated constant voltage output.

Output 6.2 V, 322 mA 2 W low-cost flyback constant voltage adapter power supply using LNK362

design feature

• Constant voltage solution with low cost and low component count - 20 components
• Patented IC design and transformer winding technology enable drain node clampless design (Clampless?)
• ±5% accuracy over-temperature protection threshold - self-recovery with hysteresis - to ensure PCB board temperature is within safe limits
• Automatic restart: protection when output short circuit and loop open loop
• IC creepage distance is greater than 3.2 mm: Prevents arcing in high humidity applications
• Easily meet all external power (EPS) energy efficiency standards
• Have sufficient margin to meet CISPR-22 Class B EMI requirements

See the PDF document for details (click on the PDF file to download)