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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 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