DC/DC Converter
TEN 3 Series 3 Watt
The TEN 3 series of DC/DC converters, comprising 28 models, has been N E W
Input Specifications
Input current no load /full load 5 Vin models 40mA / 800 mA typ.
12 Vin models 20mA / 300 mA typ.
24 Vin models 5mA / 150 mA typ.
48 Vin models 3mA / 75 mA typ.
Start-up voltage / 5 Vin models 4VDC / 3.5VDC typ.
under voltage shut down12 Vin models 7VDC / 6.5VDC typ.
24 Vin models12VDC /11VDC typ.
48 Vin models24VDC /22VDC typ
Surge voltage (1 sec. max.) 5 Vin models11V max.
12 Vin models25V max.
24 Vin models50V max.
48 Vin models100V max.
Reverse voltage protection 1.0 A max.
Conducted noise (input) (5 V input models excluded)EN 55022 level A, FCC part 15, level A Output Specifications
Voltage set accuracy± 1 %
Regulation– Input variation Vin min. to Vin max.± 0.5 % max.
– Load variation 10 – 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)50 mVpk-pk max
T emperature coefficient± 0.02 % / °C
Current limitation> 110% of Iout max., constant current
Short circuit protection Hiccup mode, indefinite
(no automatic recovery)
Capacitive load– single output models400 μF max.
– dual output models100 μF max.
General Specifications
T emperature ranges– Operating– 40 °C ... + 75 °C (no derating)
– Case temperature+ 95 °C max.
– Storage– 40 °C ... + 125 °C
Humidity (non condensing)95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217 E)>1.1 Mio. h @ + 25 °C
Isolation voltage Input/Output1’500 VDC
Isolation capacity Input/Output65 pF typ
Isolation resistance Input/Output (500 VDC)> 1‘000 M Ohm
Switching frequency300 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 cUL / UL (File no. E188913)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Rev. 06/00
Jenatschstrasse 1 ? CH-8002 Zurich ? Switzerland