TRACO TEF4811, TEF4810, TEF2422, TEF2421, TEF2412 Datasheet

Features

Full SMD design with Ceramic Capacitors
Wide 2:1 Input range
High Efficiency
Short Circuit Protection
Metal Case, 24–Pin DIP
2 Year Product Warranty

DC/DC Converter

TEF Series 3 Watt

The TEF-series is a family of isolated dc/dc-converters that offers a
cost effective solution for applications requiring miniature size and
high performance features. SMT-design with exclusive use of ce­ramic capacitors guarantees a very high reliability with an MTBF of
over 1’000’000 hours. A highly automated production with 100%
parameter test ensures a high quality standard of this product.

Models

Ordercode Input voltage range Output voltage Output current max. Efficiency typ.

TEF 0510 3.3 VDC 650 mA 69 %
TEF 0511 5 VDC 500 mA 72 %
TEF 0512 4.5 – 7 VDC 12 VDC 240 mA 74 %
TEF 0521 ±12 VDC ± 125 mA 74 %
TEF 0522 ±15 VDC ± 95 mA 74 %
TEF 1210 3.3 VDC 700 mA 71 %
TEF 1211 5 VDC 550 mA 73 %
TEF 1212 9 – 18 VDC 12 VDC 250 mA 78 %
TEF 1221 ±12 VDC ± 125 mA 78 %
TEF 1222 ±15 VDC ± 100 mA 78 %
TEF 2010 3.3 VDC 700 mA 72 %
TEF 2011 5 VDC 550 mA 75 %
TEF 2012 10 – 30 VDC 12 VDC 250 mA 80 %
TEF 2021 ±12 VDC ± 125 mA 80 %
TEF 2022 ±15 VDC ± 100 mA 80 %
TEF 2410 3.3 VDC 700 mA 76 %
TEF 2411 5 VDC 600 mA 80 %
TEF 2412 18 – 36 VDC 12 VDC 250 mA 82 %
TEF 2421 ±12 VDC ± 125 mA 82 %
TEF 2422 ±15 VDC ± 100 mA 83 %
TEF 4810 3.3 VDC 700 mA 76 %
TEF 4811 5 VDC 600 mA 80 %
TEF 4812 36 – 72 VDC 12 VDC 250 mA 82 %
TEF 4821 ±12 VDC ± 125 mA 82 %
TEF 4822 ±15 VDC ± 100 mA 83 %

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Input Specifications

Input current no load 5 Vin models: 60 mA typ.

12 Vin models: 15 mA typ.
20 Vin models: 25 mA typ.
24 Vin models: 7 mA typ.
48 Vin models: 6 mA typ.

Input current full load 5 V in models: 720 mA typ.

12 Vin models: 310 mA typ.
20 Vin models: 180 mA typ.
24 Vin models: 140 mA typ.
48 Vin models: 70 mA typ.

Surge voltage (1 sec. max.) 5 V in models: 7.5 V max.

12 Vin models: 15 V max.

24 Vin models: 30 V max.

Input filter Pi-Filter

DC/DC Conver ter

TEF Series 3 Watt

Output Specifications

Voltage set accuracy ± 3 %
Regulation – Input variation Vin min. to Vin max. ± 0.5 % max.

– Load variation 10 – 90 %; single output: ± 1.0 % max.

dual output: ± 2.0 % max.

Ripple and noise (20 MHz Bandwidth) 80 mVpk-pk max.

Temperature coefficient ± 0.02 % / °C
Short circuit protection continuous
Capacitive load – Single output models 2200 µF max.

– Dual output models 2200 µF max.

General Specifications

Temperature ranges – Operating –25 °C ... +75 °C

– Case + 95 °C
– Storage –40 °C ... +115 °C

Humidity (non condensing) 95 % rel H max.
Reliability , calculated MTBF (MIL-HDBK-217E) >1’000’000 h @ 25 °C
Isolation voltage – Input/Output 1’000 VDC

– Input/Case 1’000 VDC
– Output/Case 500 VDC

Isolation capacity – Input/Output 500 pF typ.

Isolation resistance – Input/Output >1‘000 M Ohm
Switching frequency 25 – 85 KHz (depending on load)ations

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.

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