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Features
Wide 2:1 Input Range
Full SMD-Design
High Power Density
High Efficiency up to 84%
No Derating up to +75°C
Regulated Outputs
I/O-Isolation 1’500 VDC
Indefinite Short-Circuit Protection
Input Filter meets EN 55022, Class A
and FCC, Level A without external
Components
24-pin DIP with industry Standard
Pinout
High Reliability , MTBF >1 Mio. h
2 Year Product Warranty
DC/DC Conver ter
TEP Series 6 Watt
The TEP series are high performance, isolated DC/DC-converters with
a very high power density. They offer the designer a ideal solution in
space critical on-board level power distribution applications. SMDdesign with exclusive use of ceramic capacitors guarantees very high
reliability . An automated production with 100% parameter test ensures
the high quality standard of this product.
Models
Ordercode Input voltage range Output voltage Output curr ent max. Efficiency typ.
TEP 2411 5.1 VDC 1000 mA 80 %
TEP 2412 12 VDC 500 mA 83 %
TEP 2421 18 – 36 VDC ± 5 VDC ± 500 mA 80 %
TEP 2422 ± 12 VDC ± 250 mA 83 %
TEP 2423 ± 15 VDC ± 200 mA 83 %
TEP 4811 5.1 VDC 1000 mA 81 %
TEP 4812 12 VDC 500 mA 84 %
TEP 4821 36 – 72 VDC ± 5 VDC ± 500 mA 82 %
TEP 4822 ± 12 VDC ± 250 mA 84 %
TEP 4823 ± 15 VDC ± 200 mA 84 %
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DC/DC Conver ter
TEP Series 6 Watt
Input Specifications
Input current (no load) 24 Vin single output models 16 mA typ.
24 Vin dual output models 20 mA typ.
48 Vin single output models 7 mA typ.
48 Vin dual output models 10 mA typ.
Input current (full load) 24 Vin; 5.1 Vout models 250mA typ.
24 Vin; other output models 290mA typ.
48 Vin; 5.1 Vout models 120mA typ.
48 Vin; other output models 140mA typ.
Start-up voltage /
under voltage shut down 24 Vin models 16.5 VDC / 16 VDC
48 Vin models 32.5 VDC / 32 VDC
Surge voltage (1 sec. max.) 24 Vin models t.b.a.
48 Vin models t.b.a.
Conducted noise (input) EN 55022 level A, FCC part 15, level A
Output Specifications
V oltage set accuracy ± 3 %
Regulation – Input variation Vin min. to Vin max. ± 0.5 % max.
– Load variation 10 – 100 %
– single output models ± 1 % max.
– dual output models balanced load ± 2 % max.
– dual output models unbalanced load ± 3 % max.
Ripple and noise (20 MHz Bandwidth) 60 mVpk-pk max.
Temperature coefficient ± 0.05 % / °C
Output current limitation >110 % of Iout max. contsnat current
Short circuit protection constant current, indefinte
Capacitive load – single output models 10’000 µF max.
– dual output models 10’000 µF max.
General Specifications
T emperature ranges – Operating – 25 °C ... + 75 °C (no derating)
– Case temperature + 95 °C max.
– Storage – 40 °C ... + 115 °C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217 E) >1 Mio. h @ + 25 °C
Isolation voltage Input/Output 1’500 VDC
Isolation capacity Input/Output 2200 pF typ
Isolation resistance Input/Output (500 VDC) > 1‘000 M Ohm
Switching frequency 325 kHz typ. (Pulse frequency modulation PFM)
Safety standards UL 1950 , IEC 60950, EN 60950
Compliance up to 60 VDC input voltage
(SELV limit)
Safety approval UL /cUL File E188913
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
TEP Series 6 Watt
Physical Specifications
Case material Steel chrome-nickel plated
Potting material Silicon rubber TSE (flammability to UL 94V-0)
Weight 16 g (0.56 oz)
Soldering temperature max. 260 °C / 10 sec.
Outline Dimensions mm (inches)
)
±0.5
±0.02
(0.1)
(0.18
4.54
2.54
)
±0.02
±0.5 (1.25
(0.9)
22.86
(0.6)
15.24
32
(0.2)
5.08
5
0.5
(0.2)
Pin diameter ø 0.5 ±0.05 (0.02 ±0.002)
Tolerances ±0.5 (0.02)
(0.02)
10
(0.4
±0.5
±0.02)
2.4
±0.5
(0.1 ±0.02)
23
22
16
14
15.24
20
±0.5 (0.8 ±0.02)
2
3
Bottom view
9
11
(0.6)
Pin-Out
Pin Single Dual
2 –Vin (GND) –Vin (GND)
3 –Vin (GND) –Vin (GND)
9 No pin Common
11 No function –Vout
14 +Vout +Vout
16 –Vout Common
22 +Vin (Vcc) +Vin (Vcc)
23 +Vin (Vcc) +Vin (Vcc)
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. 06/00
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