MEANWELL PS-45-3.3 45W single-output switching power supplies

Here is an introduction to the MEANWELL PS-45-3.3 45W single - output switching power supply:

General Information

• Model: PS - 45 - 3.3

• Brand: MEANWELL

• Type: AC - DC power supply, open - frame single - output switching power supply

Electrical Specifications

• Input Voltage: 90 - 264VAC / 127 - 370VDC

• Input Frequency: 47 - 440Hz

• Output Voltage: 3.3VDC

• Output Current: 10A

• Rated Power: 33W

• Efficiency: Approximately 75%

• Ripple & Noise: 50mVp - p

• Voltage Regulation: Line regulation is ±0.5%, and load regulation is ±0.5%.

Protection Functions

• Overload Protection: The overload protection range is 53 - 75W. It adopts the hiccup mode and recovers automatically after the fault condition is removed.

• Over - Voltage Protection: The over - voltage protection range is 3.79 - 4.3V. It also adopts the hiccup mode and recovers automatically after the fault condition is removed.

• Short - Circuit Protection: Built - in short - circuit protection to prevent damage to the power supply and other components in case of a short - circuit fault.

Physical Characteristics

• Dimensions: 127mm (L) x 76mm (W) x 28mm (H)

• Weight: 0.19kg (packing weight for single unit)

• Package Type: Open frame

Working Environment

• Working Temperature: - 10 - 60°C (refer to the derating curve)

• Working Humidity: 20 - 90% RH non - condensing

• Storage Temperature and Humidity: - 20 - 85°C, 10 - 95% RH

Safety and EMC

• Safety Standards: UL 60950 - 1, TUV EN 60950 - 1 approved

• Withstand Voltage: I / P - O / P: 3kVAC; I / P - FG: 2kVAC; O / P - FG: 0.5kVAC

• Isolation Resistance: I / P - O / P, I / P - FG, O / P - FG: 100MΩ / 500VDC / 25°C / 70% RH

• EMC Emission: Complies with EN 55022 (CISPR 22) Class B, EN 61000 - 3 - 2 - 3

• EMC Immunity: Complies with EN 61000 - 4 - 2, 3, 4, 5, 6, 8, 11, EN 55024, light industry level, criteria A

Other Features

• Cooling Method: Free air convection

• Warranty: 2 years