THD15 Datasheet, PDF (2/3 Pages) TRACO Electronic AG – DC/DC Converters - THD 15 Series, 15 Watt

DC/DC Converters
THD 15 Series
15 Watt
Input Specifications
Input current (no load)
24 Vin models: 50 mA typ..
48 Vin models: 30 mA typ.
Input current (full load)
24 Vin; 3.3 Vout models:
24 Vin; other output models:
48 Vin; 3.3 Vout models:
48 Vin; other output models:
570 mA typ.
730 mA typ.
280 mA typ.
360 mA typ.
Start-up voltage /
under voltage shut down
24 Vin models: 17 VDC /16.5 VDC
48 Vin models: 34.0 VDC /32.5 VDC
Surge voltage
(100 msec. max.)
24 Vin models: 50 V max..
48 Vin models: 100 V max.
Conducted noise (input)
EN 55022 level A, FCC part 15, level A
(with external input capacitor, see Note 1)
Output Specifications
Voltage set accuracy
±1%
Regulation
– Input variation Vin min. to Vin max
– Load variation 10 – 100 %
single output models:
dual output models balanced:
dual output models unbalanced:
± 0.5% max.
± 0.5 % max.
± 2.0 % max.
± 5.0 % max.
Ripple and noise
(20 MHz Bandwidth)
100 mVpk-pk max.
(with external output capacitor, see Note 1)
Temperature coefficient
± 0.02 % /K
Output current limitation
>105% of Iout max., foldback
Short circuit protection
indefinite (automatic recovery)
Start-up time
30ms max.
Max. capacitive load
1200µF
General Specifications
Temperature ranges
– Operating
– Derating
– Case temperature
– Storage
–25 °C ... +71°C
2.5%/K above 50
+100 °C max.
–40 °C ... +110 °C
Humidity (non condensing)
85 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217 F)
> 190’000h @ +25°C
Isolation voltage
– Input/Output
1’500 VDC
Isolation capacity
– Input/Output
235 pF typ.
Isolation resistance
– Input/Output (500 VDC)
>100 M Ohm
Switching frequency (fixed)
330 kHz typ. (Pulse width modulation PWM)
Safety standards
UL 60950, EN 60950, IEC 60950
compliance up to 60 VDC input voltage (SELV limit)
Safety approvals
UL/cUL pending
Remote On/Off
– ON:
– OFF:
open circuit on pin RC
short circuit between pin RC and pin –Vin
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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