# PSAIC Series 3W AC/DC Switching Power Supplies

## Features
️· RoHS Compliant
️· Isolation Class II
️· 3 Watts Output Power
️· Single Outputs
️· Low Output Ripple & Noise
️· UL/cUL and CE Approvals
️· Fully Encapsulated Plastic Case
️· PCB Mounting
️· Universal Input: 90-264VAC (120-370VDC)
️· No Load Power Consumption < 0.3W
️· Short Circuit, Over Power, and Over Voltage Protection
️· Operating Temperature: -40°C to +85°C

## Description
️· Dimensions: 1.41 x 0.75 x 0.86 inches (35.7 x 19.0 x 22.0 mm)
️· Encapsulated PCB mountable package.
️· Two mechanical options available: A type and B type packages.

## Model Selection Table

Model Number	Output Voltage	Output Current	Output Power	Ripple & Noise	Efficiency	Max Capacitive Load
PSAIC-3.3Sx	3.3 VDC	900mA	2.97W	< 250mVp-p	69%	14000μF
PSAIC-5Sx	5 VDC	600mA	3W	< 200mVp-p	71%	8000μF
PSAIC-9Sx	9 VDC	333mA	3W	< 150mVp-p	76%	3200μF
PSAIC-12Sx	12 VDC	250mA	3W	< 100mVp-p	76%	1500μF
PSAIC-15Sx	15 VDC	200mA	3W	< 100mVp-p	76%	1000μF
PSAIC-24Sx	24 VDC	125mA	3W	< 100mVp-p	77%	470μF

*Note:* The "x" in the model number indicates package type: “A” or “B”.

## Specifications
️· Input Voltage: 90-264VAC / 120-370VDC
️· Input Frequency: 47-63 Hz
️· Efficiency: Varies by model (See table)
️· Switching Frequency: 124-140 kHz
️· Isolation Voltage: 3750 VAC
️· Operating Temperature: -40°C to +85°C (with derating)
️· Weight: 0.92oz (26g)
️· Safety & EMC: UL, cUL, CE, EN 55022 Class B, EN 55024

## Mechanical Drawings
️· A Type Dimensions: 1.41 x 0.75 x 0.86 inches
️· B Type Dimensions: 1.41 x 0.75 x 0.86 inches
️· Pin Assignments:
- Pin 1: AC IN (L)
- Pin 2: AC IN (N)
- Pin 3: +DC OUT
- Pin 4: -DC OUT