Datasheet

QTD20.241
Q-Series
24V, 20A, DC INPUT
5. OUTPUT
Output voltage nom. 24V
Adjustment range min. 24-28V Guaranteed
max. 30V
3)
At clockwise end position of potentiometer
Factory setting typ. 24.1V ±0.2%, at full load, cold unit
Line regulation max. 10mV At 480-840Vdc voltage change
Load regulation max. 100mV Static value, 0AÆ20A
Ripple and noise voltage max. 100mVpp 20Hz to 20MHz, 50Ohm
Output current – continuous nom. 20A
4)
At 24V, input: 480-840Vdc, see Fig. 5-1
nom. 17.5A
4)
At 28V, input: 480-840Vdc, see Fig. 5-1
Output current – up to 4s
1)
nom. 25A At 24V, input: 480-840Vdc, see Fig. 5-1 and Fig. 5-3
nom. 21.4A At 28V, input: 480-840Vdc, see Fig. 5-1 and Fig. 5-3
Output power – continuous nom. 480W At 24-28V
Output power – up to 4s
1)
nom. 600W At 24-28V
BonusPower
®
time typ. 4s Duration until the output voltage dips, see Fig. 5-3
BonusPower
®
recovery time typ. 7s Overload free time to reset power manager, see Fig.
5-4
Overload behavior cont. current See Fig. 5-1
Short-circuit current
2)
min. 20A Continuous, load impedance 50mOhm, see Fig. 5-1
max. 23A Continuous, load impedance 50mOhm, see Fig. 5-1
min. 25A Short-term (4s), load impedance 50mOhm, see Fig. 5-1
max. 28A Short-term (4s), load impedance 50mOhm, see Fig. 5-1
Output capacitance typ. 950μF Included in the DC/DC converter
1) BonusPower
®
, short term power capability (up to typ. 4s)
The DC/DC converter is designed to support loads with a higher short-term power requirement without damage or shutdown. The
short-term duration is hardware controlled by an output power manager. This BonusPower
®
is repeatedly available. Detailed
information can be found in chapter 21.1. If the DC/DC converter is loaded longer with the BonusPower
®
than shown in the bonus-
time diagram (see Fig. 5-3), the max. output power is automatically reduced to 480W.
2) Discharge current of output capacitors is not included.
3) This is the maximum output voltage which can occur at the clockwise end position of the potentiometer due to tolerances. It is not
guaranteed value which can be achieved. The typical value is about 28.5V.
4) Reduce output current according to Fig. 5-2 for the extended input voltage ranges from 360-480Vdc and 840-900Vdc.
Oct. 2016 / Rev. 2.0 DS-QTD20.241-EN
All parameters are specified at 24V, 20A, 600Vdc input, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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