TDN 1WI Series, 1 Watt
Input Specifications
Input current no load
12 Vin models: 20 mA typ
24 Vin models: 10 mA typ.
48 Vin models: 5 mA typ.
Surge voltage (1 sec. max.)
12 Vin models: 25 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Reflected ripple current
12 Vin models: 15 mAp-p typ.
24 Vin models: 10 mAp-p typ.
48 Vin models: 5 mAp-p typ.
Conducted noise
EN 55022 class A or B with external
components, see supporting documents
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
Conducted immunity
all models: Nippon chemi-con KY 220µF/100V
EN 61000-4-6, 10 Vrms, perf. criteria A
Magnetic field immunity
EN 61000-4-8,
100 A/m continuous, perf. criteria A
1000 A/m 1 second, perf criteria A
Output Specifications
Voltage set accuracy
1 % max.
Regulation
– Input variation
0.2 % max.
– Load variation 0 – 100 %
– cross regulation - dual output:
1 % max.
5 % max. (asymmetrical load 25 % / 100 %)
Temperature coefficient
0.02 %/K typ.
30 mVp-p typ.
Ripple and noise (20 MHz Bandwidth)
Start up time
(constant resistive load)
– Power ON
– Remote ON
10 ms max.
10 ms max.
Transient response (25% load step change)
500 μs typ.
Short circuit protection
continuous, automatic recovery
Capacitive load
–Single output
3.3 VDC models: 1680 µF max.
5.0 VDC models: 820 µF max.
9.0 VDC models: 630 µF max.
12 VDC models: 470 µF max.
15 VDC models: 330 µF max.
24 VDC models: 160 µF max.
–Dual output
5.0 VDC models: 470 µF max. (each output)
12 VDC models: 330 µF max. (each output)
+15 VDC models: 220 µF max. (each output)
General Specifications
Temperature ranges
– Operating (convection cooling 20LFM, 0,1m/s)
– Case temperature
–40°C to +90°C (without derating)
+95°C max.
– Storage temperature
–55°C to +125°C
Derating
6.7%/K above 90°C
5 – 95 % rel H max.
1’600 VDC
Humidity (non condensing)
Isolation voltage
– I/O isolation voltage (60 sec.)
Isolation capacitance
50 pF max.
Isolation resistance (@ 500 VDC)
>1 Gohm
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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