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| SPECIFICATION | ||||
| OUTPUT | ||||
| Model | SD-350B | |||
| DC Voltage | 5V | 12V | 24V | 48V |
| Rated Current | 57A | 27.5A | 14.6A | 7.3A |
| Current Range | 0~57A | 0~27.5A | 0~14.6A | 0~7.3A |
| Rated Power | 285W | 330W | 350.4W | 350.4W |
| Ripple & Noise | 100mVp-p | 120mVp-p | 150mVp-p | 200mVp-p |
| Voltage Adj. Range | 4.5~5.5VDC | 11~16VDC | 23~30VDC | 43~53VDC |
| Voltage Tolerance | ±2.0% | ±1.0% | ±1.0% | ±1.0% |
| Line Regulation | ±0.5% | ±0.3% | ±0.2% | ±0.2% |
| Load Regulation | ±1.0% | ±1.0% | ±1.0% | ±1.0% |
| Setup, Rise Time | 300ms,50ms at full load | |||
| INPUT | ||||
| Voltage Range | 19~36VDC | |||
| Efficiency | 74% | 80% | 80% | 84% |
| DC Current | 14.4A/24V | 16A/24V | 17.6A/24V | 17.6A/24V |
| PROTECTION | ||||
| Over Load | 105~135% rated output power | |||
| Protection type: Shut down o/p voltage,re-power on to recover | ||||
| Over Voltage | 5.75~6.75V | 16.8~20V | 31.5~37.5V | 53~65V |
| Protection type: Shut down o/p voltage,re-power on to recover | ||||
| Over Temperature | 95℃± 5℃(TSW1) detect on main power transistor | |||
| Protection type: Shut down o/p voltage, recovers automatically after temperature goes down | ||||
| ENVIRONMENT | ||||
| Working Temp. | -20~+60℃ (Refer to “Derating Curve”) | |||
| Working Humidity | 20~90%RH non-condensing | |||
| Storage Temp., Humidity | -40~+85℃,10~95%RH | |||
| Temp. Coefficient | ±0.03%/℃ (0~50℃) | |||
| Vibration | 10~500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | |||
| SAFETY & EMC | ||||
| Safety Standards | IEC60950-1CB approved by TUV(for D type only) | |||
| 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 EN55022(CISPR22) Class B | |||
| EMC Immunity | Compliance to EN61000-4-2,3,4,6,8,light industry level,criteria A | |||
| OTHERS | ||||
| Dimension | 215*115*50mm(L*W*H) | |||
| Weight | 1.1Kg | |||
| Packing | 12pcs/14.4Kg/0.92CUFT | |||
| NOTE | ||||
| 1. All parameters NOT specially mentioned are measured at 24,48,96VDC input, rated load and 25℃ 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 power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. | ||||
Versatile Voltage Handling Supports 2:1 input ranges (e.g., 36–72VDC for C-type), adapting to unstable power sources powering the DC converter.
Low Noise Performance: Built-in EMI filter ensures ≤150mVp-p ripple noise, critical for sensitive electronics using the DC converter.
Intelligent Protection: Hiccup mode protection auto-recovers after faults, minimizing downtime for DC converter systems.
Rugged Design: Withstands 10–500Hz vibrations and harsh environments, ensuring reliability in industrial DC converter applications.
Cost-Effective Durability : Balances high efficiency with competitive pricing for long-term industrial DC converter use.
Customizable Outputs: Multiple voltage/current options (5V–48V) cater to diverse device requirements for the DC converter.
Space-Saving Design: Compact 199×98×38mm form factor fits seamlessly into cabinet or panel installations featuring the DC converter.
Global Compliance: Meets CE, RoHS, and EN55022 Class B standards for worldwide DC converter deployment.
Industrial Automation : Powers PLCs, sensors, and robotics in manufacturing lines using the DC converter.
Renewable Energy: Integrates with solar/wind systems to stabilize battery charging via the DC converter.
Telecom Infrastructure: Supports base stations and backup power units with the DC converter.
Medical Devices : Provides stable power for diagnostic equipment and monitoring systems using the converter.
Circuit Design: Customized topology (e.g., Buck-Boost) ensures optimal energy transfer in the DC converter.
Component Selection : High-grade MOSFETs and inductors enhance efficiency and longevity for the DC converter.
PCB Fabrication: Multi-layer PCBs with thermal vias reduce heat dissipation in the DC converter.
Testing : 100% burn-in testing under full load ensures reliability for the DC converter.
Quality Control : Automated optical inspection (AOI) verifies soldering and component placement in the DC converter.
Input Setup : Connect within rated voltage range (e.g., 72–144VDC for D-type models).
Output Adjustment : Use trim pins for ±10% voltage tuning on the DC converter.
Protection Activation: Faults trigger audible alerts and LED indicators in the DC converter.
Cooling : Ensure ≥20mm airflow clearance for optimal thermal performance of the DC converter.
Q: Can the SD-100 DC converter handle 120VDC input?
A: Yes—D-type models support 72–144VDC input, including 120VDC.
Q: What is the warranty for bulk DC converter orders?
A: All units include a 2-year warranty, with extended support for large DC converter purchases.
Q: Does the DC-DC converter require a heatsink?
A: No—efficient design eliminates the need for external cooling in most DC converter applications.
Download：
SD-350.doc
