BD7692FJ
临界模式控制 功率因数校正控制器IC
BD7692FJ
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。
主要规格
特性：
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
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
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)
特点：
- 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)
