PSAIC SERIES
3 Watt AC/DC Switching Power Supplies
Rev B
Wall Industries, Inc.
FEATURES
RoHS Compliant
Fully Encapsulated Plastic Case
Isolation Class II
3 Watts Output Power
Single Outputs
Switching Power Module for PCB Mounting
Universal Input Voltage Range: 90-264VAC (120-370VDC)
No Load Power Consumption < 0.3W
A Type
Low Output Ripple & Noise
UL/cUL and CE Approvals
Short Circuit, Over Power, and Over Voltage Protection
Wide Operating Temperature Range: -40°C to +85°C
DESCRIPTION
The PSAIC series of AC/DC power supplies provides 3 watts of output power in a 1.41” x 0.75” x
0.86” encapsulated PCB mountable package. This series consists of single output models with a
universal input range of 90-264VAC or 120-370VDC. Some features include low ripple and noise,
-40°C to +85°C operating temperature range, and < 0.3W no load power consumption. All
supplies are over power, over voltage, and short circuit protected. The PSAIC series has two
types of mechanical options available. All models are RoHS compliant and have UL/cUL and CE
safety approvals.
B Type
Size:
1.41 x 0.75 x 0.86 inches
35.7 x 19.0 x 22.0 mm
MODEL SELECTION TABLE
Output
Voltage
Output
Current
Output
Power
Maximum
Capacitive Load
Model Number (1)
Input Voltage Range
Ripple & Noise
Efficiency
PSAIC-3.3Sx
PSAIC-5Sx
PSAIC-9Sx
PSAIC-12Sx
PSAIC-15Sx
PSAIC-24Sx
3.3 VDC
5 VDC
900mA
600mA
333mA
250mA
200mA
125mA
2.97W
3W
< 250mVp-p
< 200mVp-p
< 150mVp-p
< 100mVp-p
< 100mVp-p
< 100mVp-p
69%
71%
76%
76%
76%
77%
14000μF
8000μF
3200μF
1500μF
1000μF
470μF
90~264 VAC
or
120~370 VDC
9 VDC
3W
12 VDC
15 VDC
24 VDC
3W
3W
3W
NOTES
1. The “x” in the model number can be “A” for A type package or “B” for B type package. For more information on package types see page 3.
CHARACTERISTICS
DERATING CURVE
BLOCK DIAGRAM
120
24VDC Model
3.3VDC Model
Others
L
+Vo
100
80
N
GND
60
50
40
O.V.P. / O.C.P.
20
0
20%
DETECT
-40 -30
-10
0
20
40
60
85 100
Ambient Temperature (°C)
Wall Industries, Inc. • 5 Watson Brook Road, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797
website: www.wallindustries.com • e-mail: sales@wallindustries.com
01/14/2013
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