TRACO TEP4823, TEP4821, TEP4812, TEP2423, TEP4811 Datasheet

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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