| Input | |||||
| Characteristic | Minimum | Typical | Maximum | Units | Notes & Conditions |
| Input Voltage Range | 9 18 | 36 75 | VDC VDC | 24 V nominal 48 V nominal | |
| Input Current | See Models and Ratings table | ||||
| Inrush Current | A | ||||
| Input Filter | Pi type | ||||
| Undervoltage Lockout | On at >9 V. Off <7.5 V On at >18 V. Off <16.0 V | 24 V models 48 V models | |||
| Input Surge | 50 100 | VDC VDC | 24 V models for 100 ms 48 V models for 100 ms | ||
| Remote On/Off | On: Logic High (3.5-12 V) or open circuit Off: Logic Low (<1.2 V) or short pin 1 to pin 2 | ||||
| Output | |||||
| Characteristic | Minimum | Typical | Maximum | Units | Notes & Conditions |
| Output Voltage | 5.1 | 48 | V | See Models and Ratings table | |
| Initial Set Accuracy | ±1 | ±2 | % | ||
| Minimum Load | 0 | A | No minimum load required | ||
| Start Up Delay | 50 | ms | |||
| Line Regulation | ±0.5 | % | |||
| Load Regulation | 1 | % | 0 – 10% load | ||
| Transient Response | 5 | % deviation | Recovery to within 1% in <250 μs for a 50% load change at 0.25 A/μs rate | ||
| Ripple & Noise | 100 150 200 | mV pk-pk | 5.1 V model, 20 MHz bandwidth 12 V & 48 V models, 20 MHz bandwidth 48 V model, 20 MHz bandwidth | ||
| Short Circuit Protection | Trip & Restart (hiccup mode), auto recovery | ||||
| Overload Protection | 150 | % | Trip & Restart (hiccup mode) | ||
| Overvoltage Protection | 120 | % | Zener diode clamp | ||
| Temperature Coefficient | 0.02 | %/ °C | |||
| General | |||||
| Characteristic | Minimum | Typical | Maximum | Units | Notes & Conditions |
| Efficiency | 90 | % | See Models and Ratings table | ||
| Isolation | 2500 | VDC | For 60 s | ||
| Isolation Resistance | 1000 | MΩ | At 500 VDC | ||
| Input to Output Capacitance | 2200 | pF | |||
| Switching Frequency | 285 | kHz | |||
| Power Density | 2.7 | W/in3 | |||
| Mean Time Between Failure | 750 | kHrs | MIL-HDBK-217F, +25°C GB | ||
| Weight | 0.214 (107) | lb (g) | |||
| Environmental | |||||
| Characteristic | Minimum | Typical | Maximum | Units | Notes & Conditions |
| Operating Temperature | -40 | +85 | °C | See derating curve | |
| Storage Temperature | -50 | +125 | °C | ||
| Case Temperature | 95 | °C | |||
| Thermal Impendance (Case to Ambient) | 3.9 3.9 3.1 2.5 | °C/W | Natural convection 100 LFM 200 LFM 400 LFM | ||
| Humidity | 5 | 95 | %RH | Non-condensing | |
| Cooling | Natural convection | ||||
| Shock | ±3 shocks in each plane, total 18 shocks of 30 g : 11 ms halfsine. Conforms to EN60068-2-27 & EN60068-2-47 | ||||
| Vibration | 10-500 Hz at 2 g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6 | ||||
| EMC: Emissions | |||||
| Phenomenon | Standard | Test Level | Notes & Conditions | ||
| Conducted | EN55022 | Level A | With no external components | ||
| Radiated | EN55022 | Level A | See application notes | ||
| EMC: Immunity | |||||
| Phenomenon | Standard | Test Level | Criteria | Notes & Conditions | |
| Immunity | EN55024 | ||||
| ESD Immunity | EN61000-4-2 | ±4 kV Contact, ±8 kV Air | A | ||
| Radiated Immunity | EN61000-4-3 | 10 V/m | A | ||
| EFT/Burst | EN61000-4-4 | 3 | A | ||
| Surges | EN61000-4-5 | 3 | A | ||
| Conducted Immunity | EN61000-4-6 | 10 Vm | A | ||
| Magnetic Fields | EN61000-4-8 | 30 A/m | A | ||
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Helios Power Solutions is a leading provider of power solutions and offer one of the widest ranges of power products on the market for any application across all industry sectors for over 30 years. Get in touch today!
Helios Power Solutions offer one of the widest ranges of power products on the market for any application, across all industry sectors. Over 50% of our products are not listed on the website. Get in touch to help us find what you are looking for!
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