产品说明
Regulated Output DC-DC Converter- Isolation - Module
Our DHFB750 series is high efficiency 750W isolated and regulated output. The dimension is 4.6" x 2.4" x 0.5" meet industrial standard Full brick size. They provide a 300Vdc nominal input (with an input range of 200 to 425Vdc) and 3000VAC reinforced isolation , which are suitable for distributed power architectures, telecommunications, servers, base station, battery operated equipment, and industrial applications.功能说明
- 750W,Isolated Output DC-DC
- Regulated Outputs
- Efficiency up to 91%
- 2:1 Input Range
- Industry Full-Brick package: 4.60" x 2.4" x 0.5"
- Fixed Switching Frequency
- Input Under Voltage Protection
- Over Temperature Protection
- Over Voltage/Current Protection
- Industry Full-Brick Package
- Single Wire Parallel
- Remote On/Off
- Fully Isolation 3KVAC
规格
| Input Voltage Range | Nominal 300V Range: 200-425V |
| Undervoltage Lockout | 300Vin power up ... 195V ; power down ... 180V |
| Logic Remote On/Off | open collector refer to -Vin Positive Remote Logic. Logic Low (Module OFF) .................< 1.2V Logic High (Module ON).................. Open circuit or 3.5~75V Negative Remote Logic. Logic High (Module OFF)................. Open circuit or 3.5~75V Logic Low (Module ON) .................< 1.2V |
| Input Filter | C Type |
| Voltage Accuracy | ± 1% max |
| Transient Response | 25% step load change...... < 500 µs |
| External Trim Adj. Range(Refer toMechanical Drawing Figure1 and Figure2) | 60~110% Load |
| Share Accuracy | ±10% at 50% to 100% Full Load |
| Auxiliary Output Voltage/Current | 10±VDC/200mA max. |
| R&N (20MHz BW measured with 1uF ceramic capacitor and 1000uF aluminum capacitor across output) | 12V & 15V ........... 150 mV RMS, 300mV pk-pk max. 24V & 28V ........... 300 mV RMS, 600mV pk-pk max. 36V ....................... 300 mV RMS, 650mV pk-pk max. 48V ....................... 350 mV RMS, 750mV pk-pk max. |
| Temperature Coefficient | ± 0.03% / °C max. |
| Short Circuit Protection | Continuous |
| Line Regulation(Measured from high line to low line.) | ± 0.2% max |
| Load Regulation(Measured from full load to zero load.) | ± 0.5% max |
| OVP Trip Range, % Vo nom | 115% ~ 140% |
| OCP (Current Limit) | 105% ~ 125% Nominal |
| Output Start up time | 50ms typ. Isolation Voltage Input/Output ... 3000VAC min. Input/Case ... 2500VAC min. Output/Case ... 500VAC min. |
| Switching Frequency | 200 KHz Tpy. |
| Isolation Resistance | 10MΩ min |
| Operating Case Temperature | -40°C to 85°C |
| Storage Temperature | -55°C to 125°C |
| Thermal Shutdown, Case Temp. | 95°C Typ. |
| Humidity | 95% RH max. Non Condensing |
| MTBT | MIL-HDBK-217F, GB 370Khrs typ. |
| Case Material | Aluminum Baseplate with Plastic Case |
| Dimensions | L4.60xW2.40xH0.50 inches (116.8x61x12.7mm) |
| Weight | 230g |
Model
| Model No. | I/P Vol. | O/P Vol. | O/P Current | O/P Watts (max.) |
| DHFB750-C2 | 200~425VDC | 12.00 VDC | 62.50A | 750W |
| DHFB750-C3 | 200~425VDC | 15.00 VDC | 50.00A | 750W |
| DHFB750-C9 | 200~425VDC | 24.00 VDC | 31.20A | 748.8W |
| DHFB750-C9C | 200~425VDC | 28.00 VDC | 26.70A | 747.60W |
| DHFB750-C9A | 200~425VDC | 36.00 VDC | 20.80A | 748.8W |
| DHFB750-C9B | 200~425 VDC | 48.00 VDC | 15.60A | 748.8W |
| DHFB750-C2N | 200~425VDC | 12.00 VDC | 62.50A | 750W |
| DHFB750-C3N | 200~425VDC | 15.00 VDC | 50.00A | 750W |
| DHFB750-C9N | 200~425VDC | 24.00 VDC | 31.20A | 748.8W |
| DHFB750-C9CN | 200~425VDC | 28.00 VDC | 26.70A | 747.60W |
| DHFB750-C9AN | 200~425VDC | 36.00 VDC | 20.80A | 748.8W |
| DHFB750-C9BN | 200~425VDC | 48.00 VDC | 15.60A | 748.8W |
Ordering Information：
- Nominal Input Voltage 300 VDC.
- The Output Terminal Required a Minimum Capacitor 1000uF to Maintain Specified Regulation.
线稿(Unit: mm)
