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Power Factor Controllers | MC33262
概览
MC34262/MC33262 为有效功率因数校正控制器，特别适合用作电子镇流器和离线功率转换器应用中的预转换器。此类集成电路具有用于独立应用的内部启动计时器、接近一致功率因数的一象限乘法器、确保严格导通运行的零电流检测器、跨导误差放大器、用于增强启动性能的快速启动电路、微调内部禁带参比、电流感应比较器和图腾柱输出，适用于驱动功率 MOSFET。另外还包括一些保护功能，包括用于消除由于负载去除导致的失控输出电压的欠电压比较器、带迟滞的输入欠压锁定、按周期电流限制、限制最大峰值开关电流的乘法器输出箝位、用于单脉冲计量的 RS 锁存，以及用于 MOSFET 门极保护的驱动器输出高电平状态箝位。此类器件采用双列直插和表面贴装塑料封装。
- Active Power Factor Control
- Electronic Ballast
- OffLine Power Converters
- Overvoltage Comparator Eliminates Runaway Output Voltage
- Internal Startup Timer
- One Quadrant Multiplier
- Zero Current Detector
- Trimmed 2% Internal Bandgap Reference
- Totem Pole Output with High State Clamp
- Undervoltage Lockout with 6.0 V of Hysteresis
- Low Startup and Operating Current
- Supersedes Functionality of SG3561 and TDA4817 Simplified Block Diagram
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Obsolete
Pb
A
H
P
SOIC-8
1
260
TUBE
98
N
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 500
8 - 13
Yes
No
Yes
Price N/A
More Details
Active, Not Rec
Pb
A
H
P
SOIC-8
1
260
REEL
2500
Y
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 500
8 - 13
Yes
No
Yes
$0.4868
More Details
Active, Not Rec
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
Y
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 500
8 - 13
Yes
No
Yes
$0.6107
More Details
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