臨界模式控制 功率因數校正控制器IC - BD7690FJ

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。

* 本產品是標準級的產品。本產品不建議使用的車載設備。
料號 | BD7690FJ-E2
狀態 | 推薦品
封裝 | SOP-J8
單位數量 | 2500
最小包裝數量 | 2500
包裝形式 | Taping
RoHS | Yes

規格:

FET

-

Controller Type

PFC

Vin1(Min.)[V]

10.0

Vin1(Max.)[V]

26.0

SW frequency(Max.)[kHz]

220.0

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
  • The ZCD detection by auxiliary winding
  • Switching loss reduction, noise reduction by ZCD
  • Improving the efficiency by the max frequency control
  • Dynamic and Static OVP by the VS pin
  • High accuracy over current detection (±4%)
  • Error amplifier input short protection
  • Restart timer
  • Stable MOSFET gate drive by the Clamper