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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Input Specifications
Input current no load /full load 12 Vin models 20 mA / 300 mA typ.
24 Vin models 5 mA / 150 mA typ.
48 Vin models 3 mA / 75 mA typ.
Start-up voltage / 12 Vin models 6 VDC / 8VDC typ.
under voltage shut down 24 Vin models 12 VDC / 16VDC typ.
48 Vin models 24 VDC / 32VDC typ
Surge voltage (1 sec. max.) 12 Vin models 25 V max.
24 Vin models 50 V max.
48 Vin models 100 V max.
Reverse voltage protection 0.5 A max.
Reflected input ripple current Can be reduced by ext. 1–2.2 µF polyester film
capacitor
Input filter Pi filter
Output Specifications
V oltage set accuracy ± 1 %
Regulation – Input variation Vin min. to Vin max. ± 0.3 % max.
– Load variation 10 – 100 %
– single output models ± 1.0 % max.
– dual output models balanced load ± 1.0 % max.
– dual output models unbalanced load ± 2.0 % max.
Ripple and noise 50 mVpk-pk max.
Temperature coefficient ± 0.02 % / °C
Current limitation > 110% of Iout max., foldback
Short circuit protection Hiccup mode, indefinite
(no automatic recovery)
Capacitive load – single output models 470 µF
– dual output models 180 µF
General Specifications
Temperature ranges – Operating –40 °C ... +75 °C
– Case temperature +100 °C max.
– Storage –40 °C ... +125 °C
Humidity (non condensing) 95 % rel H max.
Reliability , calculated MTBF (MIL-HDBK-217E) >1‘000‘000 h @ 25 °C
Isolation voltage Input/Output 1‘500 VDC
Isolation capacity Input/Output 65 pF typ.
Isolation resistance Input/Output >1‘000 Mohm
Switching frequency 300 kHz typ. (Frequency modulation PFM)
Safety standards UL 1950, EN 60950, IEC 60950
Compliance up to 60 VDC input voltage
(SELV limit)
Safety approvals UL/cUL File E188913
DC/DC Converter
TES 3 Series 3 Watt