2000V Isolation Military Power Supply / Dc-dc Converter Output 25V ZG800-220S25-PEC
Military Power 800W Output 25V ZG800-220S25-PEC
Key Features
Output power: 800W
Wide input range: 170-280Vdc
High conversion efficiency: 93%
Line regulation to ±0.5%
Load regulation to ±0.5%
Fixed operating frequency
Isolation voltage: 2000V
Load sharing to 20 units
Enable(ON/OFF)control
Output over-load protection
Hiccup mode short circuit protection
Over-temperature protection
Input under-voltage lock-out
Output voltage trim: ±5%
Product Overview
These DC-DC converter modules use advanced power processing, control and packaging technologies to provide the performance, flexibility, reliability and cost effectiveness of a mature power component. High frequency Active Clamp switching provides high power density with low noise and high efficiency.
Electric Characteristics
Electrical characteristics apply over the full operating range of input voltage, output load and base plate temperature, unless otherwise specified. All temperatures refer to the operating temperature at the center of the base plate. All data testing at Ta=25oC except especial definition.
1.1 Absolute Maximum Ratings
| Parameter | Min | Typ | Max | Units | Notes |
| Input Voltage | 300 | Vdc | Continuous, non-operating | ||
| 280 | Vdc | Continuous, operating | |||
| 300 | Vdc | Operating transient protection,<100mS | |||
| Isolation voltage | 2000 | Input to output | |||
| Operating Temperature | -55 | 100 | ℃ | In view of PCB Temperature | |
| Storage Temperature | -65 | 125 | ℃ | ||
| Enable to Vin- Voltage | -2.0 | 10 | Vdc |
1.2 Input Characteristics
| Parameter | Min | Typ | Max | Units | Notes |
| Input Voltage Range | 170 | 220 | 280 | Vdc | Continuous |
| Under-Voltage Lockout | 165 | 169 | Vdc | Turn-on Threshold; min. load | |
| 125 | 150 | Vdc | Turn-off Threshold; half load | ||
| Maximum Input Current | 6 | A | Full Load;170Vdc Input | ||
| Efficiency | 93 | % | Full Load; Rating Input voltage; Figures1-2 | ||
| Disabled Input Current | 20 | mA | Enable pin low | ||
| Recommend External Input Capacitance | 100 | μF | Typical ESR 0.1-0.2Ω |
1.3 Output Characteristics
| Parameter | Min | Typ | Max | Units | Notes |
| Output Voltage Set Point | 24.75 | 25.00 | 25.25 | Vdc | Nominal input; Min. load |
| Output Voltage Range | 24.5 | 25.00 | 25.5 | Vdc | |
| Output Current Range | 0.5 | 32 | A | Subject to thermal derating; Figure 5-6 | |
| Line Regulation | ±0.02 | ±0.5 | % | Low line to high line; full load | |
| Load Regulation | ±0.02 | ±0.5 | % | Min. load to full load; nominal input | |
| Temperature Regulation | ±0.01 | ±0.02 | %/℃ | Over operating temperature range | |
| Current Limit | 35.2 | 41 | 45 | A | Output voltage 95% of nominal |
| Short Circuit Current | 0.5 | 41 | 45 | A | Output voltage <800 mV |
| Ripple (RMS) | 60 | mV | Nominal input; full load; 20 MHz bandwidth, Figure 11 | ||
| Noise(Peak-to-Peak) | 250 | mV | |||
| Maximum Output Cap |
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