TMH Datasheet, PDF (2/3 Pages) Touchstone Semiconductor Inc – DC/DC Converters

DC/DC Converters
TMH Series
2 Watt
Input Specifications
Input current no load / full load


5 Vin models 50 mA / 510 mA typ.
12 Vin models 20 mA / 200 mA typ.
24 Vin models 10 mA / 100 mA typ.
Surge voltage (1 sec. 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 ±3 %
Voltage balance (dual output models) 1 % max.
Regulation
– Input variation 1.2 % / 1 % change Vin
– Load variation 20 – 100 % 10 % max.
Ripple and noise (20 MHz Bandwidth)

5 Vin models 75 mV pk-pk max.
12 /24 Vin models 150 mV pk-pk max
Temperature coefficient ±0.02 % / K
Short circuit protection limited 1 sec. 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 –40°C to +125°C
Derating (convection cooling) 3 %/K above +70°C
Humidity (non condensing) 95 % rel H max.
Derating (convection cooling) 3 %/K above +70°C
Reliability, calculated MTBF (MIL-HDBK-217F at +25°C, ground benign) >2’000’000 h
Isolation voltage (60sec.) Input/Output 1‘000 VDC
Isolation capacitance
Input/Output 80 pF typ.
Isolation resistance
Input/Output >1‘000 Mohm
Switching frequency 80 kHz typ. (frequency modulation)
Frequency change over line and load ±30 % max.
Environmental compliance – Reach www.tracopower.com/products/tmh-reach.pdf
– RoHS RoHS directive 2002/95/EC
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
http://www.tracopower.com
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