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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
DC/DC Converters
TES 3 Series 3 Watt
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 / 8 VDC typ.
under voltage shut down 24 Vin models: 12 VDC / 16 VDC typ.
48 Vin models: 24 VDC / 32 VDC 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
Voltage 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., continuouse
Short circuit protection hiccup mode, indefinite
(no automatic recovery)
Capacitive load – single output models 4700 µF
– dual output models 180 µF (each input)
General Specifications
Temperature ranges – Operating –40°C to +85°C
– Case temperature +100°C max.
– Storage –40°C to +125°C
Derating (convection cooling) 3.5 %/K above 70°C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >1‘000‘000 h
Isolation voltage (60 sec.) – Input/Output 1‘500 VDC
Isolation capacitance – Input/Output 65 pF typ.
Isolation resistance – Input/Output >1‘000 Mohm
Switching frequency 300 kHz typ. (frequency modulation PFM)
Safety standards UL 60950-1, IEC/EN 60950-1
Supporting documents: www.tracopower.com/overview/tes3
