NVVV Electric
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| S-25 25W Switching Power Supply | ||||||
|---|---|---|---|---|---|---|
| Category | Project | 5V Option | 12V Option | 24V Option | 36V Option | 48V Option |
| Output | DC Voltage | 5V | 12V | 24V | 36V | 48V |
| Rated Current | 4A | 2.1A | 1A | 0.7A | 0.52A | |
| Rated Power | 20W | 25.2W | 24W | 25.2W | 24.96W | |
| Ripple and Noise | <50mV | <120mV | <150mV | <240mV | <240mV | |
| Voltage Accuracy | ±2% | ±1% | ±1% | ±1% | ±1% | |
| Output Voltage Regulation | ±10% | |||||
| Load Adjustment Rate | <±1.5% | <±0.5% | <±0.5% | <±0.5% | <±0.5% | |
| Linear Adjustment Rate | <±0.5% | |||||
| Input | Voltage Range | 85-132VAC / 176-264VAC, 47Hz-63Hz (254VDC-370VDC) | ||||
| Efficiency (typical) | >78% | >82% | >84% | >84% | >84% | |
| Working Current | <0.5A at 110VAC / <0.25A at 220VAC | |||||
| Impulse Current | 110VAC 18A / 220VAC 36A | |||||
| Start, Rise, Hold Time | 200ms, 50ms, 20ms at 220VAC | |||||
| Protection | Overload Protection | ≥ 105% - 150% Type: constant current output + VO reduced to undervoltage point cut off output reset: power on again | ||||
| Short Circuit Protection | +VO Drop to undervoltage point to close output | |||||
| Environmental | Working Temp & Humidity | -10°C ~ +50°C; 20% ~ 90% RH | ||||
| Storage Temp & Humidity | -20°C ~ +85°C; 10% ~ 95% RH | |||||
| Safety & EMC | Withstand Voltage | Input-Output: 1.5kVac; Input-Shell: 1.5kVac; Output-Shell: 0.5kVac for 1 minute | ||||
| Leakage Current (I/O) | 5mA at 1.5kVac input-output | |||||
| Leakage Current (220V) | Input-Output at 220VAC < 1mA | |||||
| Isolation Resistance | Input-Output, Input-Shell, Output-Shell: 500VDC / 100MΩ | |||||
