Puls CD Series - DC-Input

CD10.241
CD-Series
DC/DC Converter 24V/24V, 10A, 240W
Sep. 2019 / Rev. 1.4 DS-CD10.241-EN All values are typical figures specified at 24Vdc input voltage 24V, 10A output load,
25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany
5/27
3. DC-I
NPUT
The input can be powered from batteries or similar DC sources and must be a PELV or SELV source or an "Isolated
Secondary Circuit" in order to maintain a SELV or PELV output.
Check for correct input polarity. The device will not operate when the voltage is reversed.
DC i
nput Nom. DC 24V -25%/+46%
DC i
nput range Min. 18.0-35.0Vdc Continuous operation
Allowed voltage
between input
and
earth/ground
Max. 60Vdc or
42.2Vac
Continuous operation, according to IEC 62477-1
Allowed
input ripple voltage Max. 5Vpp In the frequency range from 47 to 500Hz, the
momentary input voltage must always be within the
specified limits.
Turn
-on voltage Typ. 17.5Vdc Steady-state value, see Fig. 3-1
Shut
-down voltage Typ. 15.5Vdc Steady-state value, see Fig. 3-1
Input current
Typ. 10.5A At 24Vdc input and 24V, 10A output load , see Fig. 3-3
Typ. 14.3A At 18Vdc input and 24V, 10A output load, see Fig. 3-3
Start
-up delay Typ. 200ms See Fig. 3-1
Rise time
Typ. 200ms At 24V, 10A constant current load, 0mF load
capacitance, see Fig. 3-2
Typ. 200ms At 24V, 10A constant current load, 10mF load
capacitance, see Fig. 3-2
Turn
-on overshoot Max. 250mV See Fig. 3-2
Input capacitance
Typ. 4 300µF Installed inside the device, external capacitors on the
input are allowed without any limitations.
External input protection
See recommendations in chapter 2.
Fig. 3-1 Input voltage range Fig. 3-2 Turn-on behavior, definitions
Turn-on
17.5Vdc
V
IN
P
OUT
Shut-down
32.4Vdc 15.5Vdc 18.0Vdc
Rated input range
35.0Vdc
Start-up
delay
Rise
Time
Overshoot
- 5%
Output
Voltage
Input
Voltage
Fig. 3-3 Input current vs. output load
12A
2
3 4 6
8
0
4
8
12
16A
10
Output Current
5
7
9
11
Input: 24Vdc
Input
Current,
typ.
Input: 18Vdc