BD7F200UEFJ-LB
無需光耦的隔離型反激式轉換器
BD7F200UEFJ-LB
無需光耦的隔離型反激式轉換器
本產品是能夠確保長期供應工業設備市場的產品，而且是非常適用於這些應用領域的產品。
本產品是不需要光耦的隔離型反激式轉換器。為了獲得由變壓器隔離的穩定輸出電壓，不再需要以往應用中所需的光電耦合器或透過變壓器的三次繞組組成的反饋電路，從而可以大大減少元件數量，並可實現小型、高可靠性的隔離型電源應用。此外，透過採用ROHM自有的自適應導通時間控制技術，也不再需要以往方式所需的外部相位補償裝置，從而可以輕鬆實現高效能的隔離型電源應用。
Product Detail
規格:
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
Vin1(Max.)[V]
40
SW frequency (Max.)[kHz]
400
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
Package Size [mm]
4.9x6.0 (t=1.0)
功能:
- 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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