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DC/DC Converters

THI 2M Series

2 Watt

Input Specifications

Input current no load / full load

5 Vin models: 60 mA / 600 mA typ.

12 Vin models: 30 mA / 250 mA typ.

24 Vin models: 15 mA / 135 mA typ.

Reverse voltage protection

0.3 A max.

Recommended external input fuse (slow blow)

5 Vin models: 1.0 A

12 Vin models: 0.5 A

24 Vin models: 0.2 A

Surge voltage (1 sec. max.)

5 Vin models: 9 V max.

12 Vin models: 18 V max.

24 Vin models: 30 V max.

Input filter

internal capacitors

Output Specifications

Voltage set accuracy

±4 %

Voltage balance (dual output models)

1 % max.

Regulation

– Input variation

1.2 % / 1 % change of Vin

– Load variation 20 – 100 %

10 % max.

12 % max. for 5 Vout models.

Ripple and noise (20 MHz Bandwidth)

150 mVpk-pk max

Temperature coefficient

±0.02 %/K

Short circuit protection

0.5 sec. max.

Minimum load

2 % of rated max. current

Capacitive load

single output models: 330 µF max.

dual output models: 100 µF max. (each output)

General Specifications

Temperature ranges

– Operating

–40°C to +71°C

– Storage

–40°C to +125°C

– Casing

+90°C max.

Derating

2.5 %/K above 60°C

Humidity (non condensing)

95 % rel. H max.

Reliability, calculated MTBF (MIL-HDBK-217F, @ 25°C, ground benign)

>2.0 Mio h

Isolation voltage – Input/Output

Reinforced, rated for 300 Vrms working voltage

(50Hz, 60sec)

Medical applications in accordance to IEC/EN 60601-1: 3000 VAC, 2 x MOOP

IT applications in accordance to IEC/EN 60950-1: 4000 VAC

Isolation test voltage (1 sec.)

6‘000 Vpk

Leakage current (at 240VAC, 60Hz)

2 µA max.

Isolation capacity

– Input/Output

20 pF max. (at 100KHz, 1V)

Isolation resistance

– Input/Output

>10 Gohm (at 500VDC)

Switching frequency

50 – 100 kHz (PFM)

Safety standards

IEC/EN 60950-1, UL 60950-1

CSA C22.2 No. 60950-1-03

IEC/EN 60601-1 3rd edition, 2 x MOOP,

UL 60601-1, CSA C22.2 No. 601.1

Safety approvals

– CSA certificate

– CB test certificate

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.