Datasheet

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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Input Specifications
Input current no load 12 Vin models: 30 mA typ.
24 Vin models: 20 mA typ.
48 Vin models: 10 mA typ.
Input current (full load) 12 Vin; 3.3 Vout models: 1050 mA typ.
12 Vin; other output models: 1500 mA typ.
24 Vin; 3.3 Vout models: 550 mA typ.
24 Vin; other output models: 750 mA typ.
48 Vin; 3.3 Vout models: 250 mA typ.
48 Vin; other output models: 350 mA typ.
Start-up voltage / under voltage shut down 12 Vin models: 8.5 VDC / 8.0 VDC typ.
24 Vin models: 17 VDC / 15 VDC typ.
48 Vin models: 33 VDC / 29 VDC typ.
Surge voltage 12 Vin models: 25 V max.
(100 msec. max.) 24 Vin models: 50 V max.
48 Vin models: 100 V max.
Output Specifications
Voltage set accuracy ± 1 %
Regulation – Input variation Vin min. to Vin max. ± 1 % max.
– Load variation 10 – 100 % single output models: ± 0.5 % max.
dual output models balanced load: ± 1 % max.
dual output models unbalanced load: ± 3 % max.
Ripple and noise (20 MHz Bandwidth) single output models: 50 mVpk-pk max.
dual output models: 75 mVpk-pk max
Temperature coefficient ± 0.02 % /K
Output current limitation > 120% of Iout max., constant current
Short circuit protection indefinite (automatic recovery)
Capacitive load single output models: 470 µF max.
dual output models: 220 µF max. (per output)
General Specifications
Temperature ranges – Operating – 25 °C ... + 71 °C (without load derating)
– Case temperature + 100 °C max.
– Storage – 55 °C ... + 125 °C
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217 E) > 700’000 h @ +25 °C
Isolation voltage – Input/Output 1’500 VDC
Switching frequency (fixed) 330 kHz typ. (Pulse width modulation PWM)
Safety standards UL 60950, EN 60950, IEC 60950
(Compliance up to 60 VDC input voltage
(SELV limit)
Safety approval CSA 60950-1-03 (File no. 226037)
DC/DC Converters
TEL 15 Series 15 Watt