http://www.tracopower.com Page 2 of 3
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
DC/DC Converters
THD 15WIN Series 15 Watt
Input Specifications
Input current at no load (nominal input voltage) 24 Vin models: 6 mA typ.
48 Vin models: 4 mA typ.
Input current at full load (nominal input voltage) 24 Vin models: 740 mA typ.
48 Vin models: 370 mA typ.
Start-up voltage / under voltage shut down 24 Vin models: 9 VDC / 8 VDC
48 Vin models: 18 VDC / 16 VDC
Surge voltage (1 sec. max.) 24 Vin models: 50 V max.
48 Vin models: 100 V max.
Conducted noise (input) EN 55022 class A, FCC part 15, level A
(without external components)
EN 55022 class B,
with external filter see Application note
ESD (electrostatic discharge) EN 61000-4-2, air ±8 kV, contact ±6 kV,
perf. criteria A
Radiated immunity EN 61000-4-3 10 V/m, perf. criteria A
Fast transient / Surge EN 61000-4-4, ±2 kV, perf. criteria A
EN 61000-4-5, ±2 kV perf. criteria A
with external input capacitor e.g. Nippon
chemi-con KY 220 µF, 100 V, ESR 48 mOhm
Conducted immunity EN 61000-4-6, 10 Vrms, perf. criteria A
Reflected ripple current 20 mAp-p typ.
Output Specifications
Voltage set accuracy ±1 % max
Regulation – Input variation single output models: 0.2 % max. (Vin min to Vin max.)
dual output models: 0.5 % max. (Vin min to Vin max.)
– Load variation 0 – 100% single output models: 0.5 % max.
dual output models: 1.0 % max. balanced load
– Load variation 10 – 90% single output models: 0.3 % max.
dual output models: 0.8 % max. balanced load
– Load cross regulation 25/100% (asymmetrical) 5.0 % max. (dual output models)
Minimum load no minimum load
Temperature coefficient ±0.02 %/K
Ripple and noise (20 MHz bandwidth) 60 mVp-p typ. (with 1 µF/25 V)
Output current limitation at 150 % of Iout max. hiccup
Short circuit protection continous, automatic recovery
Over voltage protection (single output models only) 3.3 VDC models: 3.9 VDC
5.1 VDC models: 6.2 VDC
12 VDC models: 15 VDC
15 VDC models: 18 VDC
Start up time (nominal Vin and constant resistive load) 60 ms typ. (for power on and remote on)
Transient response setting time (25% load step change) 250 µs typ.
Capacitive load 3.3 VDC models: 4700 µF max.
5.1 VDC models: 3300 µF max.
12 VDC models: 600 µF max.
15 VDC models: 400 µF max.
±5 VDC models: ±1500 µF max.
±12 VDC models: ±288 µF max.
±15 VDC models: ±200 µF max.