www.tracopower.com Page 1 of 3
DC/DC Converter TDN 3WI Series, 3 Watt
Models
The TDN 3WI series with 4:1 input voltage range is a selection of 3 Watt
regulated dc/dc-converters. They come in a very compact DIP package
(13.2  9.1  10.2 mm). The functional I/O-isolation system is designed to meet
IEC/EN 62368-1 with a test voltage (60 s) of 1600 VDC.
Order code Input voltage Output voltage Output current max. Efficiency typ.
TDN 3-1210WI 3.3 VDC 700 mA 76 %
TDN 3-1211WI 5.0 VDC 600 mA 80 %
TDN 3-1219WI 9.0 VDC 333 mA 81 %
TDN 3-1212WI 12 VDC 250 mA 83 %
TDN 3-1213WI 4.5 – 18 VDC 15 VDC 200 mA 84 %
TDN 3-1215WI (12 VDC nominal) 24 VDC 125 mA 82 %
TDN 3-1221WI ±5.0 VDC ±300 mA 80 %
TDN 3-1222WI ±12 VDC ±125 mA 82 %
TDN 3-1223WI ±15 VDC ±100 mA 82 %
TDN 3-2410WI 3.3 VDC 700 mA 77 %
TDN 3-2411WI 5.0 VDC 600 mA 80 %
TDN 3-2419WI 9.0 VDC 333 mA 81 %
TDN 3-2412WI 12 VDC 250 mA 83 %
TDN 3-2413WI 9 – 36 VDC 15 VDC 200 mA 83 %
TDN 3-2415WI (24 VDC nominal) 24 VDC 125 mA 82 %
TDN 3-2421WI ±5.0 VDC ±300 mA 80 %
TDN 3-2422WI ±12 VDC ±125 mA 82 %
TDN 3-2423WI ±15 VDC ±100 mA 82 %
TDN 3-4810WI 3.3 VDC 700 mA 77 %
TDN 3-4811WI 5.0 VDC 600 mA 80 %
TDN 3-4819WI 9.0 VDC 333 mA 81 %
TDN 3-4812WI 12 VDC 250 mA 83 %
TDN 3-4813WI 18 – 75 VDC 15 VDC 200 mA 83 %
TDN 3-4815WI (48 VDC nominal) 24 VDC 125 mA 82 %
TDN 3-4821WI ±5.0 VDC ±300 mA 80 %
TDN 3-4822WI ±12 VDC ±125 mA 82 %
TDN 3-4823WI ±15 VDC ±100 mA 82 %
Models
Also see:
TDN 3WISM, SMD version
www.tracopower.com/products/tdn3wism.pdf
Ultra compact DIP package
13,2  9,1  10,2 mm
I/O-isolation 1‘600 VDC
Fully regulated outputs
Operating temperature range
–40°C to +70°C without derating
Short circuit protection
Remote On/Off
3-year product warranty
Designed to meet UL 62368-1
(UL 60950-1)
TDN 3WI Series, 3 Watt
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.
Input Specifications
Input current at no load 12 Vin models: 40 mA typ.
24 Vin models: 25 mA typ.
48 Vin models: 14 mA typ.
Surge voltage (1 s max.) 12 Vin models: 25 V max.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Reflected ripple current 20 mAp-p typ.
Input filter internal capacitor
Conducted noise EN 55032 class A or class 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 all models: Nippon chemi-con KY 220µF/100V
Conducted immunity EN 61000-4-6, 10 Vrms, perf. criteria A
Power frequency magnetic field EN 61000-4-8, 100 A/M, perf. criteria A
External input fuse required 12 Vin models: 1.6 A (slow blow)
24 Vin models: 0.8 A (slow blow)
48 Vin models: 0.5 A (slow blow)
Output Specifications
Voltage set accuracy ±1 % max.
Voltage balance (dual output models) 1 % max.
Regulation – Input variation 0.2 % max.
– Load variation 0 – 100 % single output: 1 % max.
dual output: 1 % max. (balanced load)
cross regulation - dual output: 5 % max. (asymmetrical load 25 % / 100 %)
Temperature coefficient ±0.02 %/K typ.
Ripple and noise (20 MHz Bandwidth) 50 mVp-p typ.
Start up time – Power ON 10 ms typ. / 20 ms max.
(constant resistive load) – Remote ON 10 ms typ. / 20 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: 4700 F max.
5.0 VDC models: 2530 F max.
9.0 VDC models: 1470 F max.
12 VDC models: 1220 F max.
15 VDC models: 1000 F max.
24 VDC models: 470 F max.
– Dual output ±5.0 VDC models: 1470 F max. (each output)
±12 VDC models: 680 F max. (each output)
+15 VDC models: 470 F max. (each output)
General Specifications
Temperature ranges – Operating (natural convection: 20 LFM, 0.1m/s) –4C to +7C (without derating)
– Case temperature +105°C max.
– Storage temperature –55°C to +125°C
Derating 2.9%/K above 70°C
Humidity (non condensing) 5 – 95 % rel H max.
TDN 3WI Series, 3 Watt
www.tracopower.com
© Copyright 2018 Traco Electronic AG Specifications can be changed without notice!
Page 3 of 3
Rev. September 12, 2018
General Specifications
Isolation voltage – I/O isolation voltage (60 sec.) 1’600 VDC
Isolation capacitance (input/output) 50 pF typ.
Isolation resistance (input/output) >1 GOhm
Reliability, calculated MTBF (MIL-HDBK-217F at +25°C, ground benign) 5‘627‘000 h
Switching frequency 100 kHz min. Pulse frequency modulation.
Thermal shock & vibration MIL-STD-810F
Remote On/Off –On: open circuit or high impedance
–Off: 2 – 4 mA current applied via 1kOhm resistor
–Off idle current: 2.5 mA max.
Safety standards – Designed to meet (no certification) IEC/EN/UL 62368-1, UL 60950-1
Environmental compliance Reach www.tracopower.com/info/reach-declaration.pdf
RoHS RoHS directive 2011/65/EU
Physical Specifications
Casing material non-conducting FR4 (UL 94V-0 rated)
Potting material Silicone (UL 94V-0 rated)
Pin material tinned copper
Package weight 2.7g (0 .10oz )
Soldering temperature max. 260°C / 10 sec.
Outline Dimensions
Pin Single Dual
1+Vin (Vcc) +Vin (Vcc)
2Vin (GND) Vin (GND)
4On/Off On/Off
5no con. Vout
6Vout Common
7+Vout +Vout
Pin-Out
Dimensions in [mm], () = Inch
Tolerances: x.x ±0.5 (±0.02)
Pin pitch tolerances ±0.25 (±0.01)
pin dimension tolerance ±0.1 (±0.004)
4.5 (0.18)
9.9 (0.39)
10.2 (0.40)
0.6 (0.024)
13.2 (0.52)
5.07 (0.2)
9.1 (0.36)
3 x 2.0
(3 x 0.08)
bottom viev
1
2
4
5
6
7
Supporting Documents: www.tracopower.com/overview/tdn3wi