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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
TEL 2 Series 2 Watt
Input Specifications
Input current at full load / no load 5 Vin models: 600 mA / 40 mA typ.
(nominal input) 12 Vin models: 220 mA / 20 mA typ.
24 Vin models: 110 mA / 10 mA typ.
48 Vin models: 55 mA / 8 mA typ.
Start-up voltage / 5 Vin models: 4 VDC / 3.5 VDC typ.
under voltage shut down 12 Vin models. 7 VDC / 6.5 VDC typ.
24 Vin models: 12 VDC / 11 VDC typ.
48 Vin models. 24 VDC / 22 VDC typ.
Surge voltage (100 ms max.) 5 Vin models: 11 V max.
12 Vin models: 25 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Reverse voltage protection 1.0 A max.
Conducted noise (input) EN 55032 class A, FCC part 15, level A
Output Specifications
Voltage set accuracy ±2 % max.
Regulation – Input variation Vin min. to Vin max. 0.5 % max.
– Load variation 25 – 100 % single output models: 0.75 % max.
dual output models: 2.0 % (balanced load)
Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk max
Temperature coefficient ±0.02 %/K
Short circuit protection indefinite, automatic recovery
Minimum load 25 % of rated max current (operation at lower
load condition is safe but a higher output ripple
will be experienced)
Capacitive load 3.3 VDC output models: 2’200 µF max.
5 VDC output models: 1’000 µF max.
12 VDC output models: 170 µF max.
15 VDC output models: 110 µF max.
±5 VDC output models: 470 µF max.
±12 VDC output models: 100 µF max.
±15 VDC output models: 47 µF max.
General Specifications
Temperature ranges – Operating –40°C to +80°C
– Case +90°C max.
– Storage –55°C to +105°C
Derating 2.2 %/K above 65°C
Humidity (non condensing) 95 % rel. H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >1.2 Mio h
Isolation voltage Input/Output (60 s) 1’500 VDC
Isolation capacitance Input/Output 250 pF max.
Isolation resistance Input/Output (500 VDC) >1‘000 MOhm
Switching frequency 300 kHz (PFM)
Safety standards UL/cUL 60950-1 , IEC/EN 60950-1
Safety approval CB 60950-1
– Certification documents www.tracopower.com/overview/tel2
Environmental compliance – Reach www.tracopower.com/info/reach-declaration.pdf
– RoHS RoHS directive 2011/65/EU
