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.

Data Sheet

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Additional Information

FAQ

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número de peça	Estado de Condição	pacote	Quantidade Unidade	Quantidade mínima Package	tipo de embalagem	RoHS
BD7F200EFJ-LBE2	Active	HTSOP-J8	2500	2500	Taping	sim

especificações:

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

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características:

- 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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Ligações de apoio:

ROHM AC/DC Designer is an assistant tool which outputs circuit designs using Rohm's ACDC power source. It can output Reference circuits, Component lists, Trans designs easily by matching the conditions.

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Dados técnicos

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Part Explanation

For ICs