SD-1000L Series - 1000W 48Vdc Input Single Output DC-DC Converter
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Features
- 2000Vac I/O Isolation
- Short circuit, over load, over voltage, over temperature protections
- Forced air cooling by built-in DC fan with fan speed control
- High power density 10.7W/inch³
- 1U low profile, 41mm
- SD-1000L type input voltage design to LVD
- Output OK signal
- Built-in remote ON-OFF control
- Built-in remote sense function
Applications
- Electrical engineering
- Automotive
- Battery back-up applications
Description
SD-1000 Series enclosed 1U DC-DC converter, for the growing demand of high wattage dc/dc applications. Features 4:1~2:1 wide DC input range and 2000VAC input/output isolation, with 19~72V input levels. Other standard features include 12V/0.25A auxiliary output, output OK signal, remote on/off control and remote sense functions as well as short circuit, over load, over voltage and over temperature protections.
Specification
| Input Voltage |
19 ~ 72Vdc |
| Input Current |
23.5A/48Vdc |
| Inrush Current |
--- |
| Set Up, Rise Time |
500ms, 50ms at full load |
| Ripple & Noise |
150mV |
| Output Voltage Tolerance |
±1.0% |
| Line Regulation |
±0.5% maximum |
| Load Regulation |
±0.5% maximum |
| Over Load Protection |
105%~125% rated output power |
|
Constant current limiting, unit will shut down o/p voltage about 5sec. Re-power on to recover |
| Over Voltage Protection |
Shut down o/p voltage, re-power on to recover |
| Over Temperature Protection |
80°C ±5°C (TSW2) Detect on heatsink of O/P diode; |
|
75°C ±5°C (TSW1) Detect on heatsink of power transistor |
|
Shut down o/p voltage, recovers automatically after temperature goes down |
| Remote On/Off Control |
Refer to datasheet |
| Output OK Signal |
Open collector signal low when PSU turns on, Max sink current: 10mA |
| Working Temperature |
-20°C to +60°C (refer to output derating curve), -40 start up possible |
| Working Humidity |
20 ~ 90% RH non-condensing |
| Storage Temperature, Humidity |
-40°C to +85°C, 10 ~ 95% RH |
| Temperature Coefficient |
±0.02%/°C (0 ~ 50°C) |
| Vibration |
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes |
| Withstand Voltage |
I/P-O/P: 2KV I/P-FG: 1.5KV O/P-FG: 0.5KVAC |
| Isolation Resistance |
I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC |
| Safety Standards |
IEC60950-1 CB Approved by TUV |
| EMC Standards |
Compliance to EN55022 (CISPR22); EN61000-3-2,-3; EN61000-4-2,3,4,6,8; |
|
ENV50204 Light industry level, criteria A |
| MTBF |
32K hrs min. MIL-HDBK-217F (25°C) |
SD-1000L Series Specifications
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