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 For Immediate Release
Compact, Dual-Output PSM-202A 18 Watt Switcher Features Integral AC Input
Receptacle for Simplified Installation,
Reduced Radiated Noise
Fremont, California, Oct. 22, 1999 -- Phihong USA's new PSM-202A dual output 18 W switching power supply is specifically
designed for easy installation into small networking, peripheral, terminal and microcomputer equipment. The PSM-202A includes an an integral IEC input
receptacle, eliminating that typical system receptacle-to-power supply cabling which often creates EMI (Electro-magnetic Interference).
The IEC receptacle provides easy power supply bulkhead mounting and eliminates the purchase cost and installation of a separate receptacle and
associated cabling. The PSM-202A in includes a 4" ground wire terminated with a ring lug connector for convenient chassis safety ground connection.
This configuration also reduces EMI radiation. In most OEM systems, a power
cable connects an IEC receptacle to the power supply. The cable, which carries some high frequency current induced by the switching power supply in
addition to the low frequency 50 Hz or 60 Hz line current, can radiate electrical noise and interfere with nearby sensitive electronic equipment. Eliminating the
interconnect cable lowers EMI radiation and simplifies the regulatory agency EMI approval process required in virtually all countries. The PSM-202A internal
and filter meets the stringent CISPR 22 B and FCC limit B conducted noise limits.
"The PSM-202A delivers what our customers have asked for: a compact
common easy-to-integrate design with IEC receptacle, dual 5V/3.3V outputs and CIPR22B filter for under $20 in low (100s) quantities. Few power supplies
deliver such value today," explained Alan Richards, Vice President of Phihong USA in Fremont, California. "The integrated design also lowers total cost of
ownership. The OEM's cost to procure, stock and install components is much higher than ours, and therefore they want us to include as many features as
possible in the power supply subsystem. The PSM-202A delivers on that wish."
The 18 watt switcher is UL, CSA and TUV safety approved and measures just
2" x 4.25". In spite of the small size, the power supply is capable of 15mS holdup time at full load, allowing uninterrupted operation during momentary
power outages. It is also protected from numerous faults including outputs shorts and overvoltage.
The PSM-202A incorporates 85 to 265 vac universal input, allowing it to
operate from any worldwide line voltage. It provides dual outputs of 3.3V at 4A and 5.0V at 1A. pricing is $19.50/100 and it is available off-the-shelf.
Phihong, based in Taiwan, is a major manufacturer of switching power supplies
for the computer, telecom, office automation and portable equipment markets. Contact Johnny Chen, Phihong USA, 48607 Warm Springs Blvd., Fremont, CA 94539, (510) 445-0100, fax (510) 445-1678, email usasales@phihongusa.com,
website: http://www.phihongusa.com.
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