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NCP1681是一个PFC控制器IC,用于驱动无桥图腾柱PFC拓扑结构。无桥图腾柱PFC是一种功率因数校正结构,包括一个以PWM开关频率驱动的快速开关桥臂和一个以AC线频率工作的第二桥臂。这种拓扑结构消除了传统PFC电路输入端存在的二极管桥,使功率级的效率得到显著提高。这款控制器可以配置用于连续导通模式(CCM)或多模式(CrM-CCM)运行。
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Status
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
NCP1681AAD2R2G
Active
Pb
A
H
P
-
1
260
REEL
2500
Y
CCM
Fixed
Current/Voltage Mode
Totem Pole
65
30
100 / 100
10.5
Yes
Yes
No
$0.8208
More Details
NCP1681ABD2R2G
Active
Pb
A
H
P
-
1
260
REEL
2500
F
CCM
Fixed
Current/Voltage Mode
Totem Pole
95
30
100 / 100
10.5
Yes
Yes
No
$0.8709
More Details
NCP1681BAD2R2G
Active
Pb
A
H
P
-
1
260
REEL
2500
F
MM
Variable
Current/Voltage Mode
Totem Pole
65 / Variable
30
100 / 100
10.5
Yes
Yes
No
$0.7776
More Details
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