ATO switching power supply incorporates a switching regulator in order to be highly efficient in the conversion of electrical power.
Features
- Universal AC input / Full range AC input
- Short circuit, overload and overvoltage protections
- Cooling by free air convection
- LED indicator for power on
- 100% full load burn-in test
- High reliability, low price and wide range of applications
Specification
Model | CHN-HF300D-ML |
Output
| DC Voltage | 15V |
Rated Current | 10A |
Current Range | 0.5 ~ 10A |
Rated Power | 300W |
Ripple & Noise (Max.)(Note 2) | 120mVp-p |
Voltage Adjust Range | Rated voltage ±5% |
Voltage Tolerance (Note 3) | ±1.0% |
Line Regulation | ±0.5% |
Load Regulation | ±0.5% |
Setup, Rise, Holdup Time | 200ms, 100ms, 30ms |
Input | Voltage Range | 170V~264VAC 210 ~ 370VDC |
Frequency Range | 47~63Hz |
Efficiency (Typ.) | 85% |
AC Current (Typ.) | 1.3A/115V AC 0.65A/230V AC |
Inrush Current (Typ.) | Cold start: 60A/230V AC |
Leakage Current | <1mA/230V AC |
Protection | Overload | 105~150% rated output power Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
Environment | Working Temperature | -10 ~ +60℃ |
Working Humidity | 20~90% RH non-condensing |
Storage Temperature | -20~+85℃ |
Storage Humidity | 10~95% RH non-condensing |
Temperature Coefficient | ±0.03%/℃ (0~50℃) |
Vibration | 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes |
Safety & EMC (Note 4) | Safety Standards | UL1012 Approved |
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/25℃/70% RH |
EMC Emission | Compliance to FCC Part15 Jconduction Class B |
Others | MTBF | ≥408.3K hrs MIN. MIL-HDBK-217F (25℃) |
Dimension | 199*98*50mm (L*W*H) |
Weight | 0.51kg |
Note | 1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance includes set up tolerance, line regulation and load regulation. 4. The switching power supply is considered a component which will be installed into final equipment. Please make sure that the final equipment still meets EMC directives. |
Installation Dimension (Unit: mm)

SMPS Power Supply Applications
- Power Tools
Electric Saw, Drilling Machine, Ginder, Sand Blast Machine, Puching Machine, Weeding Machine, Air Compressor, etc. - Offices Devices
Computer, Printer, LCD Monitor, Scanning Machine, etc. - Electrics & Household Appliance
TV, VCRS, Radio, Dust Collector, Fan Lamp or LED Strip, Sewing Machine, Microwave Oven, Fridge / Freezr, Coffemarker, etc. - Industrial Equipemnt
Monitoring Equipment, Shipping, Vehicle, Metalhalide Lamp, Solar System, Wind Power Generation, etc.
Tips: What is the voltage regulation test in switching power supply?
Line regulation test, which means the rate of change of the output voltage with the input AC voltage when the power supply has a certain load. What is investigated is that when the input AC grid voltage varies within a certain range, the output voltage of the power supply cannot have too much jump. Generally set at ±2%-±5%.
Factory price switching power supply transforms the full range of AC input to a stable DC voltage of 15V at the rated power 300W and rated current 10A, this high efficiency SMPS can be used for LED lights, printers, computers, monitoring cameras and industrial control.