BD7690FJ
临界模式控制 功率因数校正控制器IC

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。

Data Sheet 购买 *
* 本产品是标准级的产品。
本产品不建议使用于车载设备。

主要规格

 
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:

Controller Type

PFC

Channel

1

Zero Detect

Auxiliary Winding

W/W Input IEC61000-3-2 Class-C Support

No

Vin1 (Typ.)[V]

2.5

Reference Voltage Accuracy (%)

1.5

Brown Out

No

VCC Discharge

No

OVP System

1 way

FET

-

VS Pin Over Voltage Protection (L/A)

Auto Restart

Vin1(Max.)[V]

26

VS Dynamic OVP (L/A)

Auto Restart

VS Short Protection (L/A)

Auto Restart

BR PIN

No

SW Frequency (Max.)[kHz]

220

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

Package Size [mm]

4.9x6 (t=1.65)

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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