BD7694FJ
具有Brown Out功能 臨界模式控制 功率因數校正控制器IC
BD7694FJ
具有Brown Out功能 臨界模式控制 功率因數校正控制器IC
BD7694FJ是一款功率因數校正（Power Factor Correction：PFC）轉換器，可為各種需要改善功率因數的產品提供理想系統。 PFC部分採用臨界模式，通過檢測過零電流，可以降低開關損耗和噪聲。內置了可減少總諧波失真（THD）的電路，因此可以支持 IEC61000-3-2 Class-C。
提供支持各種功率段和拓撲的評估板。
Product Detail
規格:
Controller Type
PFC
Channel
1
Zero Detect
Auxiliary Winding
W/W Input IEC61000-3-2 Class-C Support
Yes (LowTHD)
Vin1 (Typ.)[V]
2.5
Reference Voltage Accuracy (%)
1.5
Brown Out
Yes
VCC Discharge
Yes
OVP System
1 way
FET
-
Vin1(Max.)[V]
38
VS Pin Over Voltage Protection (L/A)
Auto Restart
VS Short Protection (L/A)
Auto Restart
BR PIN
Yes
Startup VOUT Overshoot Countermeasure Function
Yes
Light Load mode
Yes
EN
No
Thermal Shut-down
Yes
Under Voltage Lock Out
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
4.9x6.0 (t=1.65)
功能:
- Boundary Conduction Mode PFC
- Low THD Circuit Incorporation
- Low Power Consumption
- VCC UVLO Function
- ZCD by Auxiliary Winding
- Static OVP by the VS Pin
- Error Amplifier Input Short Protection
- Stable MOSFET Gate Drive
- Soft Start
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