THD12WI Datasheet, PDF (2/3 Pages) TRACO Electronic AG – DC/DC Converters

DC/DC Converters
THD 12WI Series 12 Watt
Input Specifications
Input current (no load)
24 V; 3.3 & 5.1 VDC models:
24 V; other models:
48 V; 3.3 & 5.1 VDC models:
48 V; other models:
55 mA
15 mA
20 mA
7 mA
Input current (full load)

24 Vin models: 610 mA typ.
48 Vin models: 310 mA typ.
Input voltage variation (dv/dt) 5 V / ms, max.
(complies to ETS 300 132 part. 4.4)
Start-up voltage

24 Vin models: 9 VDC (or lower)
48 Vin models: 18 VDC (or lower)
Under voltage shut down (lock-out circuit)

24 Vin models: 8 VDC typ.
48 Vin models: 16 VDC typ.
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
ESD (input) EN 61000-4-2, Perf. Criteria B
Fast Transient (input)
EN 61000-4-4, Perf. Criteria B
Surge (input) EN 61000-4-5, Perf. Criteria B
Output Specifications
Voltage set accuracy ±1.2 %
Regulation
– Input variation Vin min. to Vin max. 0.2 % max.
– Load variation 10 – 100 % single output models: 0.5 % max.
dual output models balanced load: 1.0 % max.
dual output models unbalanced load: 5.0 % max.
Transient response setting time (25% load step change) 250 µs
Ripple and noise (20 MHz Bandwidth) 85 mVpk-pk max.
Temperature coefficient ±0.02 %/K
Start up time (nominal Vin and constant resistive load)

– at power on 450 ms typ.
– at remote on 5 ms typ.
Output current limitation 150 % typ. of Iout max., constant current
Over-voltage protection (only single output models)



3.3 VDC models:
5.1 VDC models:
12 VDC models:
15 VDC models:
3.9 VDC
6.2 VDC
15 VDC
18 VDC
Short circuit protection indefinite, automatic recovery
Minimum load 10 % of rated max. current (operation at lower
load condition will not damage these converters
however, they may t meet all listed specifications)
Capacitive load
3.3 & 5.1 Vout models:
12 Vout models:

15 Vout models:
±5 Vout models:

±12 Vout models:

±15 Vout models:
2000 µF max.
430 µF max.
300 µF max.
±1250 µF max.
±200 µF max.
±120 µF max.
General Specifications
Temperature ranges
– Operating –40°C to +85°C
– Case temperature +105°C max.
– Storage –55°C to +105°C
Derating
3.3 & 5.1 Vout models: 2.2 %/K above 60°C

other models: 2.5 %/K above 65°C
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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