临界模式控制 功率因数校正控制器IC_BD7690FJ

作为AC/DC用功率因数校正转换器(Power Factor Correction: PFC),本产品为所有需要改善功率因数的产品提供优良系统。PFC部采用临界模式(BCM),可通过Zero Current Detection降低开关损耗和噪声。采用基于电阻的零电流检测方式,无需ZCD用辅助绕组。

* 本产品是标准级的产品。本产品不建议使用于车载设备。
型号 | BD7690FJ-E2
Status | 推荐品
封装 | SOP-J8
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes

特性:

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

特点:

  • 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