PSAHF Datasheet, PDF (1/4 Pages) Wall Industries,Inc. – nullAC/DC Switching Power Supply

Rev. C
PSAHF Series
Up to 10 Watts
Single and Dual Outputs
AC/DC Switching Power Supply
FEATURES
● I/O Isolation 3000VAC
● Single & Dual Outputs
● MTBF > 330,000 Hours
● High Efficiency up to 78%
● EMC Complies with EN61000
● IEC61140 Safety Class II Approved
● 85~265VAC, 47~440Hz Universal Input Range
● IEC / EN / UL 60950-1 Safety Standards Approved
● Operating Temperature 71°C (Refer to Derating Curve)
● EMI Complies with EN55022 Class B and FCC part 15, level B
DESCRIPTION
The PSAHF series of AC/DC power supplies offers 10 Watts of output power in an encapsulated design. This series has
single and dual output models with a universal input range of 85 ~265VAC. Other features include continuous short circuit
protection, over voltage protection, and output current limiting. These units are also EMC EN61000-4 (-2,-3,-4) and EMI
EN55022 level B approved. The compliance to these EMI specifications minimizes system design time, cost, and eliminates
the need for external filter components. The PSAHF series has IEC/EN/UL 60950-1 safety approvals, which qualifies this
product for worldwide markets. This series also has a wide variety of applications including both commercial and industrial
with a MTBF of 300,000 hours.
BLOCK DIAGRAMS
Single Output
L
Rectifier
+Vo
EMI Filter
and
Rectifier
Inrush Current
Switching
Device
Limiter
N
Fuse
-Vo
Control Circuit Isolation Ref.Amp
Dual Output
L
N
Fuse
EMI Filter
and
Inrush Current
Limiter
Rectifier
Switching
Device
Rectifier
Rectifier
Control Circuit Isolation Ref.Amp
+Vo
Com.
-Vo
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax [phone]
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