Power Factor Controllers | NCP1653
概览
NCP1653 是一款用于连续导通模式 (CCM) 功率因数校正 (PFC) 升压电路的控制器。它以 67 kHz (NCP1653A) 或 100 kHz (NCP1653) 固定开关频率下，在跟随升压或固定电压中运行。跟踪升压提供了输出电压降低的优点，因此也带来了感应器和电源开关尺寸和成本降低的优点。该电路采用 DIP-8 或 SO-8 封装，最大程度减少了外部部件数量，并极大简化了 CCM PFC 实施。它还集成了高安全保护功能。NCP1653 是一款实现耐用和紧凑型 PFC 级的驱动器。
- Power Factor Correction Stage
- Flat TVs
- Desktop PCs
- AC Adapters SMPS
- White Goods
- IEC61000-3-2 Compliant
- Continuous Conduction Mode
- Average Current-Mode or Peak Current-Mode Operation
- Constant Output Voltage or Follower Boost Operation
- Very Few External Components
- 67 or 100 kHz Fixed Switching Frequency
- Soft-Start Capability
- VCC Undervoltage Lockout with Hysteresis (8.7 / 13.25 V)
- Overvoltage Protection (107% of Nominal Output Level)
- Undervoltage Protection or Shutdown (8% of Nominal Output Level)
- Programmable Overcurrent Protection
- Programmable Overpower Limitation
- Thermal Shutdown with Hysteresis (120/ 150 °C)
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Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
CCM
Fixed
Current Mode
Step-Up
67
18
1000 / 1000
8.7 - 13.25
Yes
Fixed
Yes
Price N/A
More Details
Obsolete
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
CCM
Fixed
Current Mode
Step-Up
67
18
1000 / 1000
8.7 - 13.25
Yes
Fixed
Yes
Price N/A
More Details
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
CCM
Fixed
Current Mode
Step-Up
100
18
1000 / 1000
8.7 - 13.25
Yes
Fixed
Yes
Price N/A
More Details
Obsolete
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
CCM
Fixed
Current Mode
Step-Up
100
18
1000 / 1000
8.7 - 13.25
Yes
Fixed
Yes
Price N/A
More Details
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