Optocoupler-less Isolated Flyback Converter - BD7F200EFJ-LB
This product guarantees long time supply availability in the industrial instrumentation market. BD7F200 is an optocoupler-less Isolated Flyback Converter. An optocoupler or the tertiary winding feedback circuit which was needed to obtain a stable output voltage isolated by a transformer in the conventional application becomes unnecessary, thus, the number of parts is reduced drastically, producing a small-sized and high-reliability application isolated type power supply. Furthermore, a highly by the use of the Original Adapted-Type ON-Time Control Technology, it makes the external phase compensation parts become unnecessary, therefore a highly efficient isolated type power supply application can easily be produced.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BD7F200EFJ-LBE2 | Active | HTSOP-J8 | 2500 | 2500 | Taping | Yes |
BD7F200EFJ-LB Data Sheet
Specifications| FET | Integrated | | Controller Type | PWM | | Output Power [W] | 5W@Vin=12V 10W@Vin=24V | | Switch Current Limit(Typ.)[A] | 2.75 | | Vin1(Min.)[V] | 8.0 | | Vin1(Max.)[V] | 40.0 | | SW frequency(Max.)[MHz] | 400.0 | | Channel | 1 | | Light Load mode | Yes | | EN | Yes | | Soft Start | Yes | | Thermal Shut-down | Recovery | | Under Voltage Lock Out | Yes | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 125 |
| Technical DocumentsFeatures- Guaranteed long time supply availability for Industrial Applications.
- No need for an optocoupler or a transformer tertiary winding. The output voltage can be set by two external resistors and the transformer turns ratio.
- Uses Original Adapted Type ON-Time Control Technology. High-speed load response is realized and external phase compensation parts are unnecessary.
- Fixed switching frequency and low output ripple
- Highly efficient light load mode available
(PFM operation) - Shutdown / Enable Control
- Built-in N-Channel MOSFET
- Soft start function
- Output load compensation function
- Protection functions:
VIN Under Voltage Lock-Out (VIN UVLO)
Over Current Protection (OCP)
Thermal Shutdown Protection (TSD)
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