SD-500L Series - 500W 24V Input Single Output DC-DC Converter
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Features- DC input active surge current limiting
- Wide 4:1 ~ 2:1 DC input range 24V: 19~72VDC
- Short circuit, over load, over voltage, over temperature, input polarity (by fuse) protections
- 2000VAC I/O Isolation
- Forced air cooling by built-in DC fan
- Output OK Signal
- Built-in remote ON-OFF control
- Built-in remote sense function
Applications- General electrical engineering
- Automotive
- Battery back-up
DescriptionA compact 500W single output DC-DC Converter with 19 ~ 72VDC input and output level options of 12V, 24V and 48V. With built-in short circuit, over load, over voltage, over temperature and input polarity protections this range also includes functions such as output OK signal, remote ON/OFF control and remote sense function.
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Standards
 
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Specification
| Input Voltage |
19 ~ 72VDC |
| Input Current |
12A/48VDC |
| Input Current at No Load |
0.2A/48VDC |
| Inrush Current |
60A/48VDC |
| Set Up, Rise Time |
500ms, 50ms at full load |
| Over Load Protection |
105 ~ 125% rated output power |
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Constant current limiting shutdown o/p voltage, after about 5 sec., re-power on to recover |
| Over Voltage Protection |
Shut down o/p voltage, re-power on to recover |
| Over Temperature Protection |
85°C ±10°C (TSW2) detect on heatsink of O/P diode; |
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80°C ±5°C(TSW1)detect on heatsink of power transistor |
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Shut down o/p voltage, recovers automatically after temperature goes down |
| Remote On/Off Control |
Please refer to pdf |
| Output OK Signal |
Open collector signal low when PSU turns on, Max sink current: 10mA |
| Working Temperature |
-20°C ~ +60°C (Refer to output load derating curve) |
| Working Humidity |
20 ~ 90% RH non-condensing |
| Storage Temperature, Humidity |
-40°C ~ +85°C, 10 ~ 95% RH |
| Temperature Coefficient |
±0.02%/°C (0 ~ 50°C) |
| Vibration |
10 ~ 500Hz, 2G 10min./1 cycle, 60min. each along X, Y, Z axes |
| Withstand Voltage |
I/P-O/P:2KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC |
| Isolation Resistance |
I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC 25°C 70% RH |
| Safety Standards |
IEC60950-1 CB approved by TUV |
| EMC |
Compliance to EN55022 (CISPR22) Class B; |
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EN61000-4-2,3,4,6,8; ENV50204, light industry level, criteria A |
| MTBF |
196.3K hrs min. MIL-HDBK-217 (25°C) |
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Items
SD-500L Series Output Data
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Part No
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Voltage
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Rated Current
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Current Range
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Rated Pwr
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R&N
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Volt. Adj.
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Tol.
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Line Reg.
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Load Reg.
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Eff.
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OVP
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SD-500L-12
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12V
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40A
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0 ~ 40A
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480W
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150mV
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11 ~ 15V
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±1.0%
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±0.5%
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±0.5%
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85%
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16 ~ 19V
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SD-500L-24
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24V
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21A
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0 ~ 21A
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504W
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150mV
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23 ~ 30V
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±1.0%
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±0.5%
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±0.5%
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88%
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30.8 ~ 35.2V
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SD-500L-48
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48V
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10.5A
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0 ~ 10.5A
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504W
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150mV
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46 ~ 60V
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±1.0%
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±0.5%
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±0.5%
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89%
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62 ~ 68V
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