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DC/DC Converters
THI 2M Series 2 Watt
Input Specifications
Input current no load 5 Vin models: 60 mA
12 Vin models: 30 mA
24 Vin models: 15 mA
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 % / 1.5 % change of Vin
– Load variation 20 – 100 % 10 % max.
12 % max. for 5 Vout models.
Ripple and noise (0–20 MHz Bandwidth) 150 mVpk-pk max
Temperature coefficient ±0.02 %/K
Short circuit protection 0.5 sec. max. (automatic recovery)
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 –50°C to +125°C
– Case temperature +90°C max.
Thermal impedance 22.5 K/W
Derating 2.5 %/K above 60°C
Humidity (non condensing) 95 % rel. H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at 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 capacitance – 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
– Certification documents www.tracopower.com/overview/thi2m
Environmental compliance – Reach www.tracopower.com/products/reach-declaration.pdf
– RoHS RoHS directive 2011/65/EU
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
