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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.

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