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DC/DC Converters
TDR 2WI Series, 2 Watt
Features Compact design in SMD or DIP package Ultra wide 4:1 input voltage range Fully regulated outputs Low ripple and noise No minimum load required Temperature range -40C to +85C
without derating

I/O isolation 1500 VDC Continuous short-circuit protection Remote On/Off control Fully RoHS compliant 3-year product warranty
The TDR-2WI series is a family of compact 2 W dc/dc-converters with 4:1 input voltage ranges and tightly regulated output voltages even under no load conditions. The product is available in SMD-package or in DIP-package. They work with high efficiency over the full load range and come with a remote On/Off input. The usability in temperature ranges of up to 85C without power derating, continuous short circuit protection and excellent immunity against environmental influences make these converters very reliable. A TDR-2WI converter is the ideal solution for space critical high end applications in communication equipment, instrumentation and industrial electronics.
Models
Order code DIP models TDR 2-1211WI TDR 2-1212WI TDR 2-1213WI TDR 2-1222WI TDR 2-1223WI TDR 2-2411WI TDR 2-2412WI TDR 2-2413WI TDR 2-2422WI TDR 2-2423WI TDR 2-4811WI TDR 2-4812WI TDR 2-4813WI TDR 2-4822WI TDR 2-4823WI Order code SMD models TDR 2-1211WISM TDR 2-1212WISM TDR 2-1213WISM TDR 2-1222WISM TDR 2-1223WISM TDR 2-2411WISM TDR 2-2412WISM TDR 2-2413WISM TDR 2-2422WISM TDR 2-2423WISM TDR 2-4811WISM TDR 2-4812WISM TDR 2-4813WISM TDR 2-4822WISM TDR 2-4823WISM 18 - 75 VDC (48 VDC nominal) 9 - 36 VDC (24 VDC nominal) Input voltage range Output voltage 5.0 VDC 4.5 - 18 VDC (12 VDC nominal) 12 VDC 15 VDC 12 VDC 15 VDC 5.0 VDC 12 VDC 15 VDC 12 VDC 15 VDC 5.0 VDC 12 VDC 15 VDC 12 VDC 15 VDC Output current max. 400 mA 167 mA 134 mA 83 mA 67 mA 400 mA 167 mA 134 mA 83 mA 67 mA 400 mA 167 mA 134 mA 83 mA 67 mA Efficiency typ. 79 % 80 % 81 % 81 % 81 % 79 % 80 % 82 % 80 % 81 % 78 % 81 % 82 % 81 % 81 %
http://www.tracopower.com
Page 1 of 4
DC/DC Converters
TDR 2WI Series Input Specifications
Input current at no load (nominal input voltage) 12 Vin models: 35 mA typ. 24 Vin models: 20 mA typ. 48 Vin models: 10 mA typ. 12 Vin models: 215 mA typ. 24 Vin models: 110 mA typ. 48 Vin models: 55 mA typ. 12 Vin models: 25 V max. 24 Vin models: 50 V max. 48 Vin models: 100 V max. capacitor type (see EMC considerations page 3 for compliance to EN 55022 class A/B) EN 61000-4-2, air 8 kV, contact 6 kV, perf. criteria A EN 61000-4-3 10 V/m, perf. criteriy A EN 61000-4-4, 2 kV, perf. criteria A EN 61000-4-5, 1 kV perf. criteria A with external input capacitor e.g. Nippon chemi-con KY 220 F, 100 V, ESR 48 mOhm EN 61000-4-6, 10 Vrms, perf. criteria A 12 Vin models: 80 mAp-p typ. 24 Vin models: 40 mAp-p typ. 48 Vin models: 30 mAp-p typ. 1 % max - Input variation Vin min. to Vin max. - Load variation 0 - 100 % single dual - Load variation 10 - 90 % single dual - Load cross regulation 25/100 % output output output output models: models: models: models: 0.2 % max. 1.0 % max. 1.0 % max. balanced load 0.5 % max. 0.8 % max. balanced load 5.0 % max. (dual output models) 0 % of rated max. load 0.02 %/K 30 mVp-p typ. 5 ms typ. 5 ms typ. 250 s typ. indefinite, automatic recovery 5 12 15 12 15 VDC VDC VDC VDC VDC models: models: models: models: models: 1680 F max. 820 F max. 680 F max. 470 F max. 330 F max. - Power On - Remote On
2 Watt
Input current at full load (nominal input voltage)
Surge voltage (1 sec. max.)
Input filter ESD (electrostatic discharge) Radiated immunity Fast transient / Surge
Conducted immunity Reflected ripple current (measured with input filter according class A)
Output Specifications
Voltage set accuracy Regulation
Minimum load Temperature coefficient Ripple and noise (20 MHz bandwidth) Start up time (constant resistive load) Short circuit protection Capacitive load
Transient response setting time (25 % load step change)
All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated. http://www.tracopower.com Page 2 of 4
DC/DC Converters
TDR 2WI Series General Specifications
Temperature ranges Humidity (non condensing) Thermal shock Vibration Reliability, calculated MTTF (MIL-HDBK-217F, @ +25C, ground benign) Isolation voltage (60 sec.) Isolation capacitance Isolation resistance Switching frequency Remote On/Off - On: - Off: - Off stand by input current - Input/Output - Input/Output - Input/Output (500 VDC) - Operating - Storage -40C to +85C (with no derating) -55C to +125C 5 % to 90 % rel. H max. acc. MIL-STD-810F acc. MIL-STD-810F >2.0 Mio h 1500 VDC 50 pF max. >10 GOhm IEC/EN 60950-1, UL 60950-1 100 kHz (PWM) open or high impedance 2...4 mA current applied via 1KOhm resistor 2.5 mA max.
2 Watt
Safety standard (designed to meet)
EMC Consideration
Recommended filter for EN 55022 class A compliance
L1 C1 +Vin +Vout Load datasheet: www.tracopower.com/products/tck059.pdf www.tracopower.com/products/tck046.pdf datasheet www.tracopower.com/products/tck059.pdf www.tracopower.com/products/tck046.pdf www.tracopower.com/products/tck063.pdf Load
TDR 2WI dc/dc-converter -Vin C3 -Vout
Input models 12 VDC 24 VDC 48 VDC
C1 10 F / 25 V 1812 MLCC 6.8 F / 50 V 1812 MLCC 4.7 F / 100 V 1812 MLCC
C3
L1 value 2.2 H
order code (SMD type) TCK-059 TCK-046
220pF / 3 kV 1808 MLCC
18 H
Recommended filter for EN 55022 class B compliance
C1
L1 C2
+Vin
+Vout
TDR 2WI dc/dc-converter -Vin C3 -Vout
Input models 12 VDC 24 VDC 48 VDC
C1 & C2 10 F / 25 V 1812 MLCC 2.2 F / 50 V 1812 MLCC 2.2 F / 100 V 1812 MLCC
C3
L1 value 2.2 H 18 H 27 H
order code (SMD type) TCK-059 TCK-046 TCK-063
220pF / 3 kV 1808 MLCC
All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated. http://www.tracopower.com Page 3 of 4
DC/DC Converters
TDR 2WI Series Pysical Specifications
Casing material Package weight Soldering profile for DIP-package models Lead-free reflow solder process for SMD-package models Moisture sensivity level (for SMD-package models) non-conductive plastic (UL94V-0 rated) 4.5 g (0.16 oz) max. 265C / 10 sec. (wave soldering) as per J-STD-020D.01 (to find at: www.jedec.org - free registration required) level 2a as per J-STD-033B.01 (to find at: www.jedec.org - free registration required)
2 Watt
Outline Dimensions
DIP-Models
0.25 (0.01) 13.55 (0.533)
0-15
8.7 (0.35)
3.8 1.3 (0.05) 0.8 (0.03)
(0.15)
Pin-Out
Pin 1 Single -Vin (GND) Remote On/Off NC NC +Vout -Vout +Vin (Vcc) NC = not to connect Dual -Vin (GND) Remote On/Off Common -Vout +Vout Common +Vin (Vcc)
12.8 (0.50)
2.54
(0.1)
8 9
7 6 18.9 (0.74)
2 6 7 8 9 14
10.16
top view
(0.4)
1.8 2.54
(0.07) (0.1)
2 14 1
0.25 (0.01)
SMD-Models
1.2
(0.05)
7.4 (0.29) 17.2 (0.68)
0-4
Recommended Solder Pad Dimension:
18.1 (0.71)
2.54 7 10.16 1.8 2.54 2.0 (0.08) 6 18.9 (0.74) 1.8 (0.07) 2 1
2.54
(0.1)
8 9
10.16
top view
(0.4)
1.8 2.54
(0.07) (0.1)
14
Specifications can be changed any time without notice.
Dimensions in [mm], () = Inch Tolerances: 0.5 (0.02) Pin pich tolerances: 0.25 (0.01)
Rev. 01/11
Jenatschstrasse 1 * CH-8002 Zurich * Switzerland Tel. +41 43 311 45 11 * Fax +41 43 311 45 45 * info@traco.ch * www.tracopower.com
(0.07) (0.1)
(0.4)
(0.1)
8.7 (0.35)
1.0 (0.04)
1.5 (0.06)
12.8 (0.50)
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