臨界模式控制 功率因數校正控制器IC - BD7692FJ
作為AC/DC用功率因數校正轉換器（Power Factor Correction: PFC），本產品為所有需要改善功率因數的產品提供最佳系統。PFC部採用臨界模式（BCM），可透過Zero Current Detection降低開關損耗和雜訊。採用基於電阻的零電流檢測方式，無需ZCD用輔助繞組。
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規格:
FET
-
Controller Type
PFC
Vin1(Min.)[V]
10.0
Vin1(Max.)[V]
26.0
SW frequency(Max.)[kHz]
450.0
BR PIN
-
Channel
1
Light Load mode
No
EN
No
Thermal Shut-down
Yes
Under Voltage Lock Out
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
功能:
- Boundary Conduction Mode
- Low Power Consumption
- VCCUVLO
- Resister Detection for ZCD
- Switching Loss Reduction, Noise Reduction by ZCD
- Dynamic and Static OVP by the VS Pin
- High Accuracy Over Current Detection (±4 %)
- Error Amplifier Input Short Protection
- Stable MOSFET Gate Drive by the Clamper
- Protection Function by the OVP Pin
- Over Voltage Reduce by Soft Start
- Safe Design by the IS-GND Short Timer Operation