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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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DC/DC Conver ter
TEF Series 3 Watt
Physical Specifications
Case material Steel nickel-plated
Potting material Silicon rubber TSE (UL 94V-O)
Weight 14 g (0. 49 oz )
Soldering temperature max. 260°C / 10 sec
Outline Dimensions mm (inches)
0.02)
±
2.0 ±0.5
(0.08
2.54
(0.1)
(0.1)
2.54
(0.1)
2.54
0.02)
±
(1.25
17.78 (0.7)
27.94 (1.1)
32 ±0.5
(0.1)
2.54
(0.1)
2.54
2.54
(0.1)
5
(0.2)
0.5
(0.02)
10
(0.4
±0.5
±0.02
)
2.4
(0.1
±0.5
±
0.02
24
23
22
15
14
13
15.24
)
20
±0.5 (0.8
1
2
3
Bottom view
10
11
12
(0.6)
±0.02
)
Pin Single Dual
1 +Vin (Vcc) +Vin (Vcc)
2 No function –Vout
3 No function Common
10 –Vout Common
11 +Vout +Vout
12 –Vin (GND) –Vin (GND)
13 –Vin (GND) –Vin (GND)
14 +Vout +Vout
15 –Vout Common
22 No function Common
23 No function –Vout
24 +Vin (Vcc) +Vin (Vcc)
Pin-Out
( ) = inches
Pin ø 0.5 (0.02)
Specifications can be changed without notice
Jenatschstrasse 1 • CH-8002 Zurich • Switzerland
Tel. +41-1284 2911 • Fax +41-1201 1168 • e-mail: sales@traco.ch • internet: http://www.tracopower.com
Rev . 12/00
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