
PSA, PSR Series Data Sheet
1 to 6 A Switching Regulator
REV. FEB 09, 2006
Page 2 of 3
www.power-one.com
Input
Input voltage
refer to selection chart
No load input current
≤50 mA
Output
Efficiency
Vi nom, Io nom
up to 95%
Output voltage setting accuracy
Vi nom, Io nom
±0.6%
Vo nom
Output voltage switching noise
IEC/EN 61204, total
typ. 0.3%
Line regulation
Vi min - Vi max, Io nom
typ. ±0.3%
Load regulation
Vi nom, 0 - Io nom
typ. 0.3%
Minimum load
not required
0 A
Current limitation
rectangular U/I characteristic
typ. 110%
Io nom
Operation in parallel
by current limitation
Protection
Input reverse polarity
with external fuse
Input undervoltage lockout
typ. 80%
Vi min
Input transient protection
suppressor diode
Output
no-load, overload and short circuit proof
Output overvoltage
suppressor diode
typ. 150%
Vo nom
Safety
Approvals
EN 60950, UL 1950, CSA C22.2 No. 950
Protection degree
IP 20/40
Electric strength test voltage
I/case and O/case
500/750/1500 VDC
EMC
Electrostatic discharge
IEC/EN 61000-4-2
Electromagnetic field
IEC/EN 61000-4-3
Electr. fast transients/bursts
IEC/EN 61000-4-4
Surge
IEC/EN 61000-4-5
Conducted disturbances
IEC/EN 61000-4-6
Electromagnetic emissions
CISPR 22/EN 55022
Environmental
Operating ambient temperature -2,
Vi nom, Io nom, convection cooled
–10 to 50 °C
Operating case temperature
TC -2, Vi nom, Io nom
–10 to 80 °C
Storage temperature
-2, non operational
–25 to 100 °C
Operating ambient temperature -7,
Vi nom, Io nom, convection cooled
–25 to 71 °C
Operating case temperature
TC -7, Vi nom, Io nom
–25 to 95 °C
Storage temperature
-7, non operational
–40 to 100 °C
Damp heat
IEC/EN 60068-2-3
Vibration, sinusoidal
IEC/EN 60068-2-6
Shock
IEC/EN 60068-2-27
Bump
IEC/EN 60068-2-29
Random vibration
IEC/EN 60068-2-64
MTBF
MIL-HDBK-217
Options
Extended temperature range
–40 - 71°C, ambient, operating
-9
Inhibit, TTL input, output(s) enabled if left open
i
Output voltage adjustment
0 - 108%
Vo nom
R
Output voltage adjustment
±8%
Vo nom
P
Soldering pins 0.5 x 1.0 mm for PCB mounting
Y