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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Switching Power Supplies
TOM Series
12, 25 Watt
Input Specifications
Input voltage range
Input frequency
Input current at full load
Vin = 115 VAC / 230 VAC
Leakage current
Output Specifications
Voltage set accuracy
Regulation
Ripple and noise
(20Mhz Bandwidth)
Overload protection by current limit at
Current limitation
Capacitive load
Temperature ranges
Temperature coefficient
Efficiency
Humidity
(non condensing)
Switching frequency
Hold-up time
Rise-up time
Isolation Voltage
Isolation Resistance (at 500 VDC)
ELectromagnetic compatibility (EMC), Emissions
Safety standards
Reliability, calculated MTBF @ 25°C
85 – 264 VAC
47 – 63 Hz
12 W models:
220 mA / 150 mA max.
25 W models:
550 mA / 300 mA max.
0.75 mA max.
(at 230 VAC)
– Input variation
– Load variation 12 W (0 – 100%)
– Load variation 25 W (0 – 100%)
± 5%
< 20 mV
< 50 mV
< 100 mV
12 W models:
< 150 mVp-p
25 W models:
< 200 mVp-p
>105 % Iout nom.
foldback (automatic recovery)
10’000 μF max. General Specifications
– 10°C…+70°C ambient temp. max.
(25W) 3.3/5 Vout models:
3 %/K above 45°C
all other models:
5 %/K above 55°C
– 20 °C…+85 °C
0.02 % /K
3.3 Vout models:
70% typ.
5.0 Vout models:
75% typ.
all other models:
80% typ.
20 – 85 % rel H max.
100 kHz typ.
( puls width modulation )
10 ms typ.
100 ms typ.
< 200 ms
< 300 ms
3‘000 VAC
2’000 VAC
500 VAC
100 Mohm min.
– Operating
– Derating:
– Storage (non operating)
– Vin = 115 VAC
– Vin = 230 VAC
– Vin = 115 VAC
– Vin = 230 VAC
– Input / Output
– Input / Field Ground
– Output / Field Ground
– Conducted input RI suppression
EN 55022, class B, FCC part 15, level B
IEC/ EN 60950, UL /cUL 1950 (File E141988)
>2’800’000 h
according to IEC 61709