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Page 1
Ordercode
Input voltage range
Output voltage
Output current max.
Efficiency typ.
TEL 3-0511
5 VDC
600 mA
70 %
TEL 3-0512
12 VDC
250 mA
74 %
TEL 3-0513
4.5 9.0 VDC
15 VDC
200 mA
74 %
TEL 3-0522
12 VDC
125 mA
74 %
TEL 3-0523
15 VDC
100 mA
74 %
TEL 3-1211
5 VDC
600 mA
76 %
TEL 3-1212
12 VDC
250 mA
80 %
TEL 3-1213
9 18 VDC
15 VDC
200 mA
80 %
TEL 3-1222
12 VDC
125 mA
80 %
TEL 3-1223
15 VDC
100 mA
80 %
TEL 3-2411
5 VDC
600 mA
77 %
TEL 3-2412
12 VDC
250 mA
81 %
TEL 3-2413
18 36 VDC
15 VDC
200 mA
81 %
TEL 3-2422
12 VDC
125 mA
81 %
TEL 3-2423
15 VDC
100 mA
81 %
TEL 3-4811
5 VDC
600 mA
77 %
TEL 3-4812
12 VDC
250 mA
81 %
TEL 3-4813
36 75 VDC
15 VDC
200 mA
81 %
TEL 3-4822
12 VDC
125 mA
81 %
TEL 3-4823
15 VDC
100 mA
81 %
Features
DC/DC Converter
TEL 3 Series 3 Watt
Models
Wide 2 : 1 Input Range
High Efficiency up to 81%
Full SMD-Design
Indefinite Short-Circuit Protection
24-pin DIP Plastic Package
Pin-compatible with TEM-3 / TED
2 Year Product Warranty
The TEL 3 series is a range of isolated 3 W converter in DIL-24 package
offering wide 2:1 input voltage range. Further features are high efficiency
which allows operation temperature up to 75C without derating and low
output noise.
This product series provides an economical solution for many cost critical ap-
plications in industrial and consumer electronics.
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Page 2
All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated.
Input Specifications
Input current (no load)
5 Vin models
40 mA typ.
12 Vin models
20 mA typ.
24 Vin models
5 mA typ.
48 Vin models
3 mA typ.
Input current (full load)
5 Vin models
820 mA typ.
12 Vin models
320 mA typ.
24 Vin models
155 mA typ.
48 Vin models
80 mA typ.
Surge voltage (1 sec. max.)
5 Vin models
11 VDC
12 Vin models
25 VDC
24 Vin models
50 VDC
48 Vin models
100 VDC
Reverse voltage protection
1.0 A max.
Output Specifications
Voltage set accuracy
1 %
Regulation
Input variation Vin min. to Vin max.
0.5 % max.
Load variation 5 100 %
single output models
0.5 % max.
dual output models balanced load
1.0 % max.
dual output models unbalanced load
2.0 % max
Ripple and noise (20 MHz Bandwidth)
60 mVpk-pk typ.
Temperature coefficient
0.02 % / C
Output current limitation
> 110% Iout max., constant current
Short circuit protection
Hiccup mode, indefinite (automatic recovery)
Capacitive load
single output models
2000 F max.
dual output models
1000 F max.
General Specifications
Temperature ranges
Operating
25 C ... + 75 C
Case
+ 95 C max.
Storage
40 C ... + 125 C
Humidity (non condensing)
95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217 E)
>1 Mio. h @ + 25 C
Isolation voltage
Input/Output/Case
1000 VDC
Isolation capacity
Input/Output
500 pF typ
Isolation resistance
Input/Output (500 VDC)
> 1`000 M Ohm
Switching frequency
300 kHz typ. (Pulse frequency modulation PFM)
Safety standards
UL 1950, EN 60950, IEC 60950
Compliance up to 60 VDC input voltage
(SELV limit)
Safety approvals
UL/cUL File E188913
DC/DC Converter
TEL 3 Series 3 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
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 diameter 0.5
0.05
(0.02)
0.002
Tolerances 0.5 (0.02)
Rev. 07/01
Bottom View
2.0
(0.079)
23
24
22
1 2 3
15
13
14
11
10
12
10.0
(0.394)
4.5
(0.18
)
2.4
(0.094)
1
5.24
(0.6)
20.0
(0.787)
17.78
(0.7)
27.94
(1.1)
32.0
(1.26)
(0.1)
2.54
(0.1)
2.54
(0.1)
2.54
(0.1)
2.54
Physical Specifications
Case material
non conductive black plastic
(flammability to UL 94V-0)
Weight
12 g (0.42 oz)
Soldering temperature
max. 250 C / 10 sec.
DC/DC Converter
TEL 3 Series 3 Watt
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