
Powersolve Electronics Ltd. Units 8A, Arnhem Road, Newbury, RG14 5RU. England
www.powersolve.co.uk
AC-DC Converters
PPS25LB Series
25 Watts
Single, Dual and Triple Outputs
Features
• Universal AC input
• Built-in EMI filter
• Low cost
INPUT
Input range 90~264 VAC, universal
Frequency 47~63Hz
Inrush current 25A typical, Cold start @ 25°C, 115VAC
Efficiency 65%~80% typical at full load
EMI filter FCC Class B conducted, CISPR 22 Class B conducted, EN55022 class B Conducted
Line regulation ± 0.5% typical
OUTPUT
Maximum power 25W convection cooled
Peak power 33 Watts
Hold-up time 10ms typical at full load and 115 VAC nominal line
Overload protection Short circuit protection
Overvoltage protection Main output 20% to 40% above nominal output
Ripple/Noise See table
Output adjustment
± 10% on output 1
ENVIRONMENTAL
Operating temperature 0 to 50°C ambient; derate each output at 2.5% per degree from 50°C to 70°C
Humidity Operating; non-condensing, 5% to 95%
Vibration 10~55 Hz at 1G 3 minutes period, 30 minutes along X, Y and Z axis
Storage temperature -40 to 85°C
T
emperatur
e coef
ficient ± 0.05% per degree C
MTBF demonstrated >100,000 hours at full load and 25°C ambient conditions
EMI & EMC
FCC par
t 15, Class B
CISPR 22 / EN55022, Class B
VCCI, Class 2
CE, EN 61000-3-2 (Class A) and –3; EN 61000-4-2, -3, -4, -5, -6 and -11
Safety approval UL, cUL, TUV EN60950
Electrical Specification
40W
25W
20W
10W
0W
12.5W
Power Derating Curve
01020 30 40 50
60
70
Natural
Convection
Cooling
Output
Power
(Watts)
Ambient Temperature (°C)
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