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Features
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
DC/DC Converter
TEL 3 Series 3 Watt
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 75°C without derating and low
output noise.
This product series provides an economical solution for many cost critical applications in industrial and consumer electronics.
Models
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 ±1 2 VDC ± 125 mA 81 %
TEL 3-4823 ±1 5 VDC ± 100 mA 81 %
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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
V oltage set accuracy ± 1 %
DC/DC Conver ter
TEL 3 Series 3 Watt
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 µF max.
dual output models 1000 µF max.
General Specifications
T emperature 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
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
TEL 3 Series 3 Watt
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.
Outline Dimensions mm (inches)
15
111012
14
2.54
(0.1)
13
2.54
(0.1)
2.0
(0.079)
24
1
2.54
(0.1)
2
23
2.54
(0.1)
3
22
Bottom View
17.78
(0.7)
27.94
(1.1)
32.0
(1.26)
Pin diameter ø 0.5 ±0.05 (0.02) ±0.002
Tolerances ±0.5 (0.02)
(0.6)
15.24
2.4
(0.094)
(0.787)
20.0
10.0
(0.394)
4.5
(0.18)
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)
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. 07/01
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