TDN 3WI Series, 3 Watt
Input Specifications
Input current no load
12 Vin models: 40 mA typ.
24 Vin models: 25 mA typ.
48 Vin models: 13 mA typ.
Surge voltage (1 sec. max.)
12 Vin models: 25 V maꢀ.
24 Vin models: 50 V maꢀ.
48 Vin models: 100 V maꢀ.
Reflected ripple current
Input filter
20 mAp-p typ.
internal capacitor
Conducted noise
EN 55022 class A internal filter
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 (with external input capacitor)
EN 61000-4-4, 2 kV, perf. criteria A
EN 61000-4-5, 1 kV perf. criteria A
–external input capacitor
all models: Nippon chemi-con KY 220µF/100V
Conducted immunity
EN 61000-4-6, 10 Vrms, perf. criteria A
Output Specifications
Voltage set accuracy
1 % maꢀ.
1 % maꢀ.
Voltage balance (dual output models)
Regulation
– Input variation
0.2 % maꢀ.
– Load variation 0 – 100 %
single output: 1 % maꢀ.
dual output: 1 % maꢀ. (balanced load)
cross regulation - dual output: 5 % maꢀ. (asymmetrical load 25 % / 100 %)
Ripple and noise (20 MHz Bandwidth)
50 mVp-p typ.
Start up time
(constant resistive load)
– Power ON
– Remote ON
10 ms maꢀ.
10 ms maꢀ.
Transient response (25% load step change)
500 μs typ.
Short circuit protection
continuous, automatic recovery
Capacitive load
–Single output
–Dual output
3.3 VDC models: 4700 µF maꢀ.
5.0 VDC models: 2530 µF maꢀ.
12 VDC models: 1220 µF maꢀ.
15 VDC models: 1000 µF maꢀ.
24 VDC models: 470 µF maꢀ.
5.0 VDC models: 1470 µF maꢀ. (each output)
12 VDC models: 680 µF maꢀ. (each output)
+15 VDC models: 470 µF maꢀ.
General Specifications
Temperature ranges
– Operating (convection cooling 20LFM, 0,1m/s)
– Case temperature
–40°C to +70°C (without derating)
+95°C maꢀ.
– Storage temperature
–55°C to +125°C
Derating
2.9%/K above 70°C
95 % rel H maꢀ.
1’500 VDC
Humidity (non condensing)
Isolation voltage
– I/O isolation voltage (60 sec.)
Isolation capacitance (input/output)
Isolation resistance (input/output)
50 pF typ.
>1 Gohm
Altitude during operation
tbd
Temperature coefficient
0.02 %/K typ.
5‘627‘000 h
Reliability, calculated MTBF (MIL-HDBK-217F at +25°C, ground benign)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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