Krod Electric
Lay Z
+8613868750251
hpd1000
ZN0223@GMAIL.COM
300W Single output switching power supply 12v 24v 48v
300W Single output switching power supply 12v 24v 48v
Features :
• Universal AC input / Full range
• Protections:Short circuit/Over load/Over voltage
• Forced air cooling by built-in DC fan
• PWM control and regulated
• Built-in cooling Fan ON-OFF control
• 100% full load burn-in test
• Fixed switching frequency at 25KHz
• Low cost
• 2 years warranty
| Model | S-300-5 | S-300-7.5 | S-300-12 | S-300-13.5 | S-300-15 | S-300-24 | S-300-27 | S-300-48 | |
| Output | DC Voltage | 5V | 7.5V | 12V | 13.5V | 15V | 24V | 27V | 48V |
| Rated Current | 50A | 40A | 25A | 22A | 20A | 12.5A | 11A | 6A | |
| Current Range | 0 ~ 30A | 0 ~ 20A | 0 ~ 12.5A | 0 ~ 11.2A | 0 ~ 10A | 0 ~ 6.5A | 0 ~ 5.6A | 0 ~ 3.2A | |
| Rated Power | 250W | 300W | 300W | 297W | 300W | 300W | 297W | 288W | |
| Ripple & Noise (max.) Note.2 | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 200mVp-p | 240mVp-p | |
| Voltage Adj. Range | 4.5 ~ 5.5V | 6~9V | 10~13.2V | 12 ~ 15V | 13.5~18V | 20~26.4V | 26 ~ 32V | 41 ~ 56V | |
| Voltage Tolerance Note.3 | ±2.0% | ±2.0% | ±1.0% | ±1.0% | ±1.0% | ±1.0% | ±1.0% | ±1.0% | |
| Line Regulation | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | |
| Load Regulation | ±1.0% | ±1.0% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | |
| Setup,Rise, Hold time | 200ms, 50ms, 20ms at full load | ||||||||
| Input | Voltage Range | 90 ~ 132VAC / 180 ~ 264VAC by switch 254 ~ 370VDC | |||||||
| Frequency Range | 47~63HZ | ||||||||
| Efficiency(Typ.) | 73% | 76% | 74% | 79% | 78% | 81% | 82% | 83% | |
| AC Current | 6.5A/115VAC 4A/230VAC | ||||||||
| Inrush Current (max.) | 50A/115VAC 50A/230VAC | ||||||||
| Leakage Current | <3.5mA / 240VAC | ||||||||
| Protection | Over Load | 105 ~ 150% rated output power | |||||||
| Protection type : Hiccup mode, recovers automatically after fault condition is removed | |||||||||
| Over Voltage | 5.75 ~ 6.75V | 9.4 ~ 10.9V | 13.8V~16.2V | 15.5 ~ 18.2V | 18V~21V | 27.6V~32.4V | 33.7 ~ 39.2V | 57.6 ~ 67.2V | |
| Protection type : Hiccup mode, recovers automatically after fault condition is removed | |||||||||
| Function | Fan on/ off Control | RTH3 ≥55°c FAN ON, ≤45°c FAN OFF, ≥80°c output shutdown (5 ~ 7.5V) | |||||||
| RTH3 ≥65°c FAN ON, ≤55°c FAN OFF, ≥80°c output shutdown (12 ~ 15V) | |||||||||
| RTH3 ≥70°c FAN ON, ≤60°c FAN OFF, ≥85°c output shutdown (24 ~ 48V) | |||||||||
| Environment | Working Temperature | -10 ~ +50°c (Refer to output load derating curve) | |||||||
| Working Humidity | 20~90% RH Non-condensing | ||||||||
| Storage temp.& humidity | -20~+85°C, 10~95%RH | ||||||||
| Temp. coefficient | ±0.03%/°C (0~50°C) | ||||||||
| Vibration | 10 ~ 500Hz, 2G 10min./1 cycle,60min.each along X,Y,Z axes | ||||||||
Safety & | Withstand Voltage | I/P-O/P:1.5KVAC 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 | ||||||||
| Others | MTBF | 234.3K hrs min. MIL-HDBK-217F ( 25°c ) | |||||||
| Dimension | 215*115*50mm (L*W*H) | ||||||||
| Packing | 1.07Kg; 12pcs/13.5Kg/0.92CUFT | ||||||||
| Note | 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°c of ambient temperature. | ||||||||