Datasheet
http://www.tracopower.com Page 2 of 4
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 85 – 264 VAC
Input frequency 47 – 63 Hz
Input current at full load Vin = 115 VAC / 230 VAC 12 W models: 220 mA / 150 mA max.
25 W models: 550 mA / 300 mA max.
Leakage current 0.75 mA max. (at 230 VAC)
Output Specifications
Voltage set accuracy ± 5%
Regulation – Input variation < 20 mV
– Load variation 12 W (0 – 100%) < 50 mV
– Load variation 25 W (0 – 100%) < 100 mV
Ripple and noise (20Mhz Bandwidth) 12 W models: < 150 mVp-p
25 W models: < 200 mVp-p
Overload protection by current limit at >105 % Iout nom.
Current limitation foldback (automatic recovery)
Capacitive load 10’000 µF max. General Specifications
Temperature ranges – Operating – 10°C…+70°C ambient temp. max.
– Derating: (25W) 3.3/5 Vout models: 3 %/K above 45°C
all other models: 5 %/K above 55°C
– Storage (non operating) – 20 °C…+85 °C
Temperature coefficient 0.02 % /K
Efficiency 3.3 Vout models: 70% typ.
5.0 Vout models: 75% typ.
all other models: 80% typ.
Humidity (non condensing) 20 – 85 % rel H max.
Switching frequency 100 kHz typ. ( puls width modulation )
Hold-up time – Vin = 115 VAC 10 ms typ.
– Vin = 230 VAC 100 ms typ.
Rise-up time – Vin = 115 VAC < 200 ms
– Vin = 230 VAC < 300 ms
Isolation Voltage – Input / Output 3‘000 VAC
– Input / Field Ground 2’000 VAC
– Output / Field Ground 500 VAC
Isolation Resistance (at 500 VDC) 100 Mohm min.
ELectromagnetic compatibility (EMC), Emissions
– Conducted input RI suppression EN 55022, class B, FCC part 15, level B
Safety standards IEC/ EN 60950, UL /cUL 1950 (File E141988)
Reliability, calculated MTBF @ 25°C >2’800’000 h according to IEC 61709