BD7692FJ
臨界模式控制 功率因數校正控制器IC
BD7692FJ
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。
Product Detail
規格:
Controller Type
PFC
Channel
1
Zero Detect
Resistor
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
2 way
FET
-
OVP Pin Over Voltage Protection (L/A)
Auto Restart
Vin1(Max.)[V]
26
VS Pin Over Voltage Protection (L/A)
Auto Restart
VS Dynamic OVP (L/A)
Auto Restart
VS Short Protection (L/A)
Auto Restart
BR PIN
No
IS Short Protection (L/A)
Auto Restart
Startup VOUT Overshoot Countermeasure Function
Yes
SW Frequency (Max.)[kHz]
450
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)
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
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD7692FJ-EVK-001
PFC BCM (Boundary Current Mode) Method Output 200 W 400 V (BD7692FJ)
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