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功率因数控制器 (PFC)
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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。
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CAD Models
Compliance
Package Type
Case Outline
MSL Type
MSL Temp (°C)
Container Type
Container Qty.
ON Target
PFC Mode
Frequency Operation
Control Mode
Topology
fSW Typ (kHz)
VCC Max (V)
Drive Cap. (mA)
UVLO (V)
Latch
UVP
Inhibition
Reference Price
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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可靠性数据
Die Related Summary Data
Device: MC33262DR2G
Equivalent to wafer fab process: BP STD LINEAR
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
BP STD LINEAR
10
12120914040
More Details
Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)