BD7690FJ
臨界模式控制 功率因數校正控制器IC

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。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
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:

Grade

Standard

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]

26.0

VS Dynamic OVP (L/A)

Auto Restart

VS Short Protection (L/A)

Auto Restart

BR PIN

No

Light Load mode

No

SW Frequency (Max.)[kHz]

220.0

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)

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

Design Resources

 

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Basics of Thermal Resistance and Heat Dissipation
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

2D/3D/CAD

  • SOP-J8 Footprint / Symbol
  • SOP-J8 3D STEP Data

Packaging & Quality

Package Information

  • Package Information

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration