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MC33368 是一款有源功率因数校正控制器,用作离线电源应用中的升压预转换器。MC33368 适用于需要最小板面积、减少组件计数和低功耗的低功耗、高功率密度电源。窄体 SOIC 封装占位小。与高电压启动的集成与电阻自举电路相比,节省了大约 0.7 W 的功率。MC33368 具有监督计时器用于启动输出开关,单象限乘法器可强制线路电流跟随瞬变线路电压,零电流检测器确保临界导通运行,跨导误差放大器电路,电流感应比较器,5.0 V 参比,欠电压锁闭 (UVLO) 电路用于监督 VCC 电源电压,以及 CMOS 驱动器用于驱动 MOSFET。MC33368 还包括了可编程的输出开关频率箝位。保护功能包括输出过电压比较器用于最大程度减少超射,重启延迟计时器和按周期电流限制。
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MC33368DG
Obsolete
Pb
A
H
P
SOIC-16
1
260
TUBE
48
N
CRM
Variable
Current Mode
Step-Up
Variable
16
1000 / 1000
8.5 - 13
Yes
No
Yes
Price N/A
More Details
MC33368DR2G
Last Shipments
Pb
A
H
P
SOIC-16
1
260
REEL
2500
N
CRM
Variable
Current Mode
Step-Up
Variable
16
1000 / 1000
8.5 - 13
Yes
No
Yes
Price N/A
More Details
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