Datasheet
Table Of Contents
- 1. Intended Use
- 2. Installation Requirements
- 3. Input Voltage
- 4. Soft-start and Input Inrush Current Surge
- 5. Output
- 6. Hold-up Time
- 7. Efficiency and Power Losses
- 8. Functional Diagram
- 9. Front Side and User Elements
- 10. Terminals and Wiring
- 11. Reliability
- 12. EMC
- 13. Environment
- 14. Protection Features
- 15. Safety Features
- 16. Dielectric Strength
- 17. Approvals
- 18. RoHS, REACH and Other Fulfilled Standards
- 19. Physical Dimensions and Weight
- 20. Accessories
- 21. Application Notes
- 21.1. Peak Current Capability
- 21.2. Back-feeding Loads
- 21.3. Inductive and Capacitive Loads
- 21.4. Charging of Batteries
- 21.5. External Input Protection
- 21.6. Requirements for the Supplying Source
- Parallel Use to Increase Output Power
- 21.8. Parallel Use for Redundancy
- 21.9. Daisy Chaining of Outputs
- Series Operation
- 21.11. Use in a Tightly Sealed Enclosure
- 21.12. Mounting Orientations

CD5.242
CD-Series
DC/DC Converter 24V, 5A
7. EFFICIENCY AND POWER LOSSES
Input 48Vdc
Efficiency typ. 90.3% at 24V, 5A
Power losses typ. 0.9W at no output load
typ. 6.9W at 24V, 2.5A
typ. 12.9W at 24V, 5A
typ. 16.4W at 24V, 6A
Fig. 7-1 Efficiency vs. output current at 24V
output and 48Vdc input voltage, typ.
Fig. 7-2 Losses vs. output current at 24V
output and 48Vdc input voltage, typ.
Efficiency
1
86
88
90
85
91%
8/22
6
A
2453
87
89
Output Current
Power Losses
012 456
A
0
3
9
15
18W
6
3
12
Output Current
Fig. 7-3 Efficiency vs. input voltage at 24V,
5A, typ.
Fig. 7-4 Losses vs. input voltage at 24V, 5A,
typ.
Efficiency
36 40 44 52 56 60Vd
c
Power Losses
91%
0
3
6
9
12
15
18W
88.5
89.5
90.5
90.0
89.0
88.0
48
Input Voltage
36 40 48 52 56 60Vd44
c
Input Voltage
Mar. 2016 / Rev. 1.5 DS-CD5.242-EN
All parameters are specified at 24V, 5A, 48Vdc input voltage, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany










