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DC/DC Converters
TMR 3WI Series, 3 Watt Features Highest power density in SIP package Ultra wide 4:1 input range Small footprint: 21.8 x 9.2 mm Temperature range -40 to +85C High efficiency Excellent load and line regulation Short-circuit protection I/O-iIsolation 1500 VDC Remote On/Off control 3 Year product warranty
pending
The TMR-3WI series is a new family of isolated 3W DC/DC converters with regulated output, featuring ultra-wide 4:1 input voltage range. The product comes in a ultra-compact SIP plastic package with a small footprint occupying only 2.0 cm2 (0.3 square in.) of board space. An excellent efficiency allows -40 to +85C operation temperatures. Further features include remote On/Off control and continuous short circuit protection. The very compact dimensions of these converters make them an ideal solution for many space critical applications in battery-powered equipment and instrumentation.
Models
Order code TMR 3-2410WI TMR 3-2411WI TMR 3-2412WI TMR 3-2413WI TMR 3-2421WI TMR 3-2422WI TMR 3-2423WI TMR 3-4810WI TMR 3-4811WI TMR 3-4812WI TMR 3-4813WI TMR 3-4821WI TMR 3-4822WI TMR 3-4823WI Input voltage Output voltage 3.3 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC Output current max. 700 mA 600 mA 250 mA 200 mA 300 mA 125 mA 100 mA 700 mA 600 mA 250 mA 200 mA 300 mA 125 mA 100 mA Efficiency typ. 75 % 80 % 79 % 79 % 78 % 80 % 82 % 74 % 78 % 78 % 79 % 78 % 79 % 80 %
9 - 36 VDC (24 VDC nominal)
18 - 75 VDC (48 VDC nominal)
http://www.tracopower.com
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DC/DC Converters
TMR 3WI Series Input Specifications
Input current at full load Input current at no load Surge voltage (100 msec. max.) Input filter 24 Vin models: 170 mA max. 48 Vin models: 85 mA max. 24 Vin models: 25 mA typ. 48 Vin models: 15 mA typ. 24 Vin models: 50 V max. 48 Vin models: 100 V max. EN 55022 level A, FCC part 15, level A with external capacitor 1 % max - Input variation Vin min. to Vin max. 0.2 % max. - Load variation 0 - 100% single output models: 1.0 % max. dual output models: 1.0 % max. balanced load - Load cross regulation 25/100% 5.0 % max. (dual output models) not required 0.1 %/K 30 mVpk-pk max. 30 ms typ. 30 ms typ. 500 s typ. 0.1 %/C continuous, automatic recovery 3.3 5 12 15 5 12 15 - Operating - Case temperature - Storage VDC VDC VDC VDC VDC VDC VDC output output output output output output output models: models: models: models: models: models: models: 1`760 F max. 1'000 F max. 170 F max. 110 F max. 470 F max. 100 F max. 47 F max. -40 C to +85 C +100 C max. -55 C to +125 C 3.5 %/K above 70C 95 % rel. H max. >1.7 Mio h @ 25C 1'500 VDC 200 pF max. >1 GOhm 100 kHz (PWM) - On: - Off: - Off stand by input current open or high impedance 2...4 mA to applied via 1 KOhm resistor 2.5 mA max. MIL-STD-810E UL /cUL 60950-1, EN 60950-1, IEC 60950-1 - UL/cUL pending - Input/Output - Input/Output - Input/Output (500 VDC) - Power On - Remote On
3 Watt
Output Specifications
Voltage set accuracy Regulation
Minimum load Temperature coefficient Ripple and noise (20 MHz Bandwidth) Start up time (constant resistive load) Temperature coefficient Short circuit protection Capacitive load
Transient response setting time (25% load step change)
General Specifications
Temperature ranges
Load derating Humidity (non condensing) Reliability, calculated MTBF (MIL-HDBK-217F ground benign) Isolation voltage (60 sec) Isolation capacity Isolation resistance Switching frequency Remote On/Off
Vibration and thermal shock Safety standards Safety approvals
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 3
DC/DC Converters
TMR 3WI Series Physical Specifications
Case material Potting material Weight non-conductive plastic silicon, UL 94V-0 rated 4.8g (0.17oz)
3 Watt
Outline Dimensions Pin-Out
(0.36)
Bottom view
1 2 3 5 6 7 8
0.25 (0.01)
Pin 1 2 3 5 6 7 8
Single -Vin (GND) +Vin (Vcc) Remote On/Off No con. +Vout -Vout No con.
Dual -Vin (GND) +Vin (Vcc) Remote On/Off No con. +Vout Common -Vout
0.5 (0.02)
0.5 (0.02)
11.1 (0.44)
(0.16)
4.0
(0.13)
3.2
9.2
2.0 2.54 2.54
(0.08
5.08
(0.2)
2.54 2.54 2.54
(0.1) (0.1) (0.1) (0.86)
(0.1)
(0.1)
21.8
Dimensions in [mm], () = Inch Pin dimension tolerances 0.1 (0.004) Pin pitch tolerances: 0.25 (0.01) Tolerances: 0.5 (0.02)
Specifications can be changed any time without notice.
Rev. 08/08
Jenatschstrasse 1 * CH-8002 Zurich * Switzerland Tel. +41 43 311 45 11 * Fax +41 43 311 45 45 * info@traco.ch * www.tracopower.com
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