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Features
DC/DC Converter
TEP Series 6 Watt
Models
Wide 2:1 Input Range
Full SMD-Design
High Power Density
High Efficiency up to 84%
No Derating up to +75C
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
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. SMD-
design 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.
Ordercode
Input voltage range
Output voltage
Output current 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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All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated.
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
Voltage 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 F max.
dual output models
10'000 F max.
General Specifications
Temperature 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
DC/DC Converter
TEP Series 6 Watt
Page 3
Specifications can be changed without notice
Outline Dimensions mm (inches)
Jenatschstrasse 1
CH-8002 Zurich
Switzerland
Tel. +41-1284 2911
Fax +41-1201 1168
e-mail: sales@traco.ch
internet: http://www.tracopower.com
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)
Pin diameter 0.5
0.05
(0.02
0.002
)
Tolerances 0.5 (0.02)
Rev. 06/00
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.
0.5
4.54
0.5
22.86
(0.9)
20
0.5 (0.8
0.02
)
2.54
(0.1)
32
0.5 (1
.25
0.02
)
10
0.5
15.24
(0.6)
9
11
22
23
2
3
16
14
Bottom view
15.24
(0.6)
5.08
2.4
0.5
5
(0.1
0.02
)
(0.4
0.02
)
(0.2)
(0.18
0.02
)
(0.2)
(0.02)
DC/DC Converter
TEP Series 6 Watt
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