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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
TMH Series 2 Watt
Input Specifications
Input current no load / full load 5 Vin models 60 mA / 510 mA typ.
12 Vin models 30 mA / 200 mA typ.
24 Vin models 15 mA / 100 mA typ.
Surge voltage (1 s max.) 5 Vin models 9 V max.
12 Vin models 18 V max.
24 Vin models 30 V max.
Reverse voltage protection 0.3 A max.
Reflected input ripple current can be reduced by ext. 1 – 3.3 µF polyester film
capacitor
Input filter internal capacitors
Output Specifications
Voltage set accuracy ±1 % typ. / ±3 % max.
Voltage balance (dual output models, balanced loads) 0.1 % typ. / 1 % max.
Regulation – Input variation (1 % input voltage change) 1.2 % typ. / 1.5 % max.
– Load variation (20 – 100 %) 5 to 11 % max. (depending on model)
Ripple and noise (20 MHz Bandwidth) 100 mVp-p typ. / 150 mVp-p max.
Temperature coefficient ±0.01 %/K typ. / ±0.02 %/K max.
Short circuit protection limited 0.5 s max.
Capacitive load – Single output models 470 µF max.
– Dual output models 390 µF max.
General Specifications
Temperature ranges – Operating –40°C to +85°C
– Case temperature +90°C max.
– Storage –50°C to +125°C
Derating (natural convection) 3 %/K above +70°C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F at +25°C, ground benign) >2’000’000 h
Isolation voltage (60 s) – Input/Output 1‘000 VDC
Isolation capacitance – Input/Output 80 pF typ.
Isolation resistance – Input/Output >1‘000 Mohm
Switching frequency 50 to 100 kHz (frequency modulation)
Environmental compliance – Reach www.tracopower.com/products/reach-declaration.pdf
– RoHS RoHS directive 2002/95/EC
