| SITOP 2.5 A, DC/DC-CONVERTER STABILIZED POWER SUPPLY INPUT: 24 V DC OUTPUT: 12 V DC/2.5 A |
Technical specifications | |
Product | SITOP DC/DC |
Power supply, type | 12 V/2.5 A |
Input | |
Input | DC voltage PELV/SELV |
Supply voltage / at DC | 24… 24 V |
Input voltage / at DC | 18.5… 30.2 V |
Wide-range input | No |
Input current / at nominal level of the input voltage 24 V | 2.5 A |
Switch-on current limiting (+25 °C), max. | 20 A |
Duration of current limiting / at 25 °C / typical | 5 ms |
Built-in incoming fuse | not accessible |
Protection in the mains power input (IEC 898) | Recommended miniature circuit breaker: 10 A, characteristic B |
Output | |
Output | controlled, isolated DC voltage |
Rated voltage | 12 V |
Total tolerance, static ± | 3 % |
Static mains compensation, approx. | 0.1 % |
Static load balancing, approx. | 0.4 % |
Residual ripple peak-peak, max. | 100 mV |
Residual ripple peak-peak, typ. | 50 mV |
Spikes peak-peak, max. (bandwidth: 20 MHz) | 200 mV |
Spikes peak-peak, typ. (bandwidth: 20 MHz) | 50 mV |
Adjustment range | 12… 14 V |
Product feature / output voltage adjustable | Yes |
Output voltage setting | via potentiometer |
Status display | Green LED for 12 V OK |
Startup delay, max. | 0.5 s |
Voltage rise, typ. | 300 ms |
Rated current value Iout rated | 2.5 A |
Current range | 0… 2.5 A |
short-term overload current / at short-circuit during run-up / typical | 3.3 A |
constant overload current / at short-circuit during run-up / typical | 3.3 A |
short-term overload current / at short-circuit during operation / typical | 3.3 A |
constant overload current / at short-circuit during operation / typical | 3.3 A |
Parallel switching for enhanced performance | Yes |
Numbers of parallel switchable units for enhanced performance | 2 |
Efficiency | |
Efficiency at Vout rated, Iout rated, approx. | 83 % |
Power loss at Vout rated, Iout rated, approx. | 6.1 W |
Closed-loop control | |
Dynamic mains compensation (Vin rated ±15 %), max. | 0.5 % |
Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 3 % |
Load step setting time 50 to 100%, typ. | 5 ms |
Load step setting time 100 to 50%, typ. | 2 ms |
Setting time / maximum | 5 ms |
Protection and monitoring | |
Output overvoltage protection | < 24 V |
Current limitation | 3… 3.6 A |
Current limitation, typ. | 3.3 A |
Characteristic feature of the output / short-circuit protected | Yes |
Short-circuit protection | Constant current characteristic approx. 3.2 A |
Enduring short circuit current / Effective level / typical | 3.2 A |
Overload/short-circuit indicator | LED red for "overload" |
Safety | |
Primary/secondary isolation | Yes |
Potential separation | Safety extra low output voltage Vout according to EN 60950-1 |
Protection class | Class II |
CE mark | Yes |
UL/CSA approval | Yes |
UL/cUL (CSA) approval | cCSAus (UL 508, CSA22.2-107, UL60950-1, CSA22.2-60950-1) |
Explosion protection | - |
FM approval | - |
CB approval | No |
Marine approval | - |
Degree of protection (EN 60529) | IP20 |
EMC | |
Emitted interference | EN 55022 Class B |
Supply harmonics limitation | - |
Noise immunity | EN 61000-6-2 |
Operating data | |
Ambient temperature / in operation | 0… 60 °C |
| with natural convection |
Ambient temparature / on transport | -40… +85 °C |
Ambient tempar
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