DC/DC Converters
TDR 2WI Series
2 Watt
General Specifications
Temperature ranges
– Operating
– Storage
–40°C to +85°C (with no derating)
–55°C to +125°C
Humidity (non condensing)
Thermal shock
5 % to 90 % rel. H max.
acc. MIL-STD-810F
acc. MIL-STD-810F
>2.0 Mio h
Vibration
Reliability, calculated MTTF (MIL-HDBK-217F, @ +25°C, ground benign)
Isolation voltage (60 sec.) – Input/Output
1500 VDC
Isolation capacitance
Isolation resistance
– Input/Output
50 pF max.
– Input/Output (500 VDC)
>10 GOhm
Safety standard (designed to meet)
IEC/EN 60950-1, UL 60950-1
100 kHz (PWM)
open or high impedance
Switching frequency
Remote On/Off
– On:
– Off:
2...4 mA current applied via 1KOhm resistor
2.5 mA max.
– Off stand by input current
EMC Consideration
L1
Recommended filter for
EN 55022 class A compliance
+Vin
-Vin
+Vout
TDR 2WI
dc/dc-converter
C1
-Vout
C3
Input models C1
C3
L1
value
order code
(SMD type)
datasheet:
12 VDC
24 VDC
48 VDC
10 µF / 25 V 1812 MLCC
6.8 µF / 50 V 1812 MLCC
4.7 µF / 100 V 1812 MLCC
2.2 µH
TCK-059
www.tracopower.com/products/tck059.pdf
220pF / 3 kV 1808 MLCC
18 µH
TCK-046
www.tracopower.com/products/tck046.pdf
L1
Recommended filter for
EN 55022 class B compliance
+Vin
+Vout
TDR 2WI
dc/dc-converter
C1
C2
-Vin
-Vout
C3
Input models C1 & C2
C3
L1
value
order code
(SMD type)
datasheet
12 VDC
24 VDC
48 VDC
10 µF / 25 V 1812 MLCC
2.2 µH
18 µH
27 µH
TCK-059
TCK-046
TCK-063
www.tracopower.com/products/tck059.pdf
www.tracopower.com/products/tck046.pdf
www.tracopower.com/products/tck063.pdf
2.2 µF / 50 V 1812 MLCC
2.2 µF / 100 V 1812 MLCC
220pF / 3 kV 1808 MLCC
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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