BD7J200HFN-LB (Under Development)
Isolated Flyback Converter IC with Integrated Switching MOSFET

This is the product guarantees long time support in Industrial market. This IC is an optocoupler-less isolated flyback converter. It is not necessary to use any optocouplers and feedback circuits by a third winding of transformers; these have been ever required to obtain a stable output voltage in Isolated Power Supply for Industrial Equipment. Furthermore, adoption of the original adapted type technology that controls on time makes the external phase compensation parts unnecessary, reduces a lot of parts number and minimalizes applications, which realizes the designs of isolated power supply application with high reliability.

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Product Detail

 
Part Number | BD7J200HFN-LBTR
Package | HSON8
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Specifications:

Common Standard

Industrial

FET

Integrated

Controller Type

PWM

Output Power [W]

5W@Vin=24V 10W@Vin=48V

Switch Current Limit(Typ.)[A]

1.75

Vin1(Min.)[V]

8.0

Vin1(Max.)[V]

80.0

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

Features:

  • Long Time Support Product for Industrial Applications
  • No Need of Any Optocoupler and Third Winding of Transformer
  • Set Output Voltage with Two External Resistor and Ratio of Transformer Turns
  • Adopt of Original Adapted Type Technology that Controls On Time.
  • No Need of External Phase Compensation Parts by High-speed Load Response
  • Low Output Ripple by Fixed Switching Frequency (At normal operation)
  • High Efficient Light Load Mode (At PFM operation)
  • Shutdown and Enable Control
  • Built-in 120V Switching MOSFET
  • Soft Start Function
  • Load Compensation Function
  • Input Under Voltage Lockout (VIN UVLO)
  • Over Current Protection (OCP)
  • Over Voltage Protection (OVP)
  • Short Circuit Protection (SCP)
  • Thermal Shutdown (TSD)
  • Battery Short Protection (BSP)
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Design Resources

 

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Thermal Resistance

Tools

2D/3D/CAD

  • HSON8 Footprint / Symbol
  • HSON8 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information