Datasheet
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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
THD 10 Series 10 Watt
Input Specifications
Input current (no load) 12 Vin models 40 mA typ.
24 Vin models 20 mA typ.
48 Vin models 10 mA typ.
Input current (full load) 12 Vin models 1000 mA typ.
24 Vin; 2.5.Vout models 380 mA typ.
24 Vin; other output models 480 mA typ.
48 Vin; 2.5.Vout models 190 mA typ.
48 Vin; other output models 240 mA typ.
Start-up voltage / 12 Vin models 9 VDC / 8.5 VDC
under voltage shut down 24 Vin models 18 VDC / 17 VDC
48 Vin models 36 VDC / 34 VDC
Surge voltage 12 Vin models 25 V max.
(1 sec. max.) 24 Vin models 50 V max.
48 Vin models 100 V max.
Reverse voltage protection 0.5 A max.
Conducted noise (input) EN 55022 level A, FCC part 15, level A
Output Specifications
Voltage set accuracy ±1.2 %
Regulation – Input variation Vin min. to Vin max. 1.0 % max.
– Load variation 10 – 100 % 1.2 % max. (±1.5 % max. for 2.5 Vout models)
Ripple and noise (20 MHz bandwidth) 85 mVpk-pk max.
Temperature coefficient ±0.02 %/K
Output current limitation >110 % of Iout max., constant current
Short circuit protection indefinite (automatic recovery)
Capacitive load 2.5, 3.3, 5.1 Vout models: 2’000 µF max.
12 / ±12 Vout models: 820 µF max. / ±220 µF max. (each output)
15 / ±15 Vout models: 470 µF max. / ±150 µF max. (each output)
General Specifications
Temperature ranges – Operating –40°C to +71°C
– Casing +95°C max.
– Storage –55°C to +125°C
Derating (convection cooling) 3.0 %/K above +60°C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F at +25°C, ground benign) >1 Mio. h
Isolation voltage (60 sec.) Input/Output 1‘500 VDC
Isolation capacitance Input/Output 1’200 pF typ
Isolation resistance Input/Output (500 VDC) >1‘000 M Ohm
Switching frequency (fixed) 400 kHz typ. (pulse width modulation PWM)
Safety standards UL/cUL 60950-1, EN 60950-1, IEC 60950-1
Safety approvals – CSA certificate according UL 60950-1 www.tracopower.com/products/thd10-csa.pdf