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Input Specifications
Input current no load 24 V models: 20 mA max.
48 V models: 10 mA max.
Input current full load 24 V; 3.3 VDC models: 920 mA typ.
24 V; 5.0 VDC models: 1220 mA typ.
24 V; other output models: 1400 mA typ.
48 V; 3.3 VDC models: 460 mA typ.
48 V; 5.0 VDC models: 610 mA typ.
48 V; other output models: 700 mA typ.
Surge voltage (100 ms max.) 24 V models: 50 V max.
48 V models: 100 V max.
Reverse polarity 2 A max.
Reflected input ripple current 24 V models: 50 mA typ.
48 V models: 25 mA typ.
Conducted noise (input) EN 55032 level A, FCC part 15, level A
Start-up voltage / under voltage shut down 24 V models: 9.7 VDC / 9.3 VDC typ.
48 V models: 17.5 VDC / 16.5 VDC typ.
Output Specifications
Voltage set accuracy ±1 %
Output voltage adj. range ±10 % with external resistor (see page 4)
Regulation – Input variation Vin min. to Vin max. 0.5 % max.
– Load variation 10 – 100 % single output models: 1.0 % max.
dual output models balanced load: 2.0 % max.
Minimum load 10 % of rated max current (operation at lower
load condition is safe but a higher output ripple
will be experienced)
Temperature coefficient ±0.02 %/°C max.
Ripple and noise (20 MHz Bandwidth) 80 mVpk-pk max.
Transient response (25 % load step change) 150 µs typ.
Output current limitation >120 % of Iout max.
Short circuit protection indefinite, automatic recovery
Thermal shutdown at 115°C typ.
Capacitive load 3.3 & 5 VDC models: 10’000 µF
12 &15 VDC models: 1’000 µF
dual output models: 330 µF
General Specifications
Temperature ranges – Operating –40°C to +85°C (with derating)
– Casing +105°C max.
– Storage –50°C to +125°C
Load derating – without heatsink 2 %/K above 55°C
– with heatsink 2.5 %/K above 65°C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >550’000 h
Isolation voltage (60 s) – Input/Output 1‘500 VDC
Isolation capacitance – Input/Output (100 kHz, 1 V) 1200 pF typ.
Isolation resistance – Input/Output (500 VDC) >1’000 MOhm
Switching frequency (fixed) 330 kHz typ. (puls width modulation)
DC/DC Converters
TEN 25WI Series, 25/30W