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NCP1937: 功率因数校正和准谐振反激控制器组合

Datasheet: Combination Power Factor Controller & Quasi-Resonant Flyback Controller
Rev. 6 (1065kB)
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此组合集成电路将为适配器应用实施一个紧凑、高能效的开关模式电源所需的功率因数校正 (PFC) 和准谐振反激功能进行集成。该 PFC 级以最大频率箝位在临界导通模式 (CrM) 下运行时表现为接近一致的功率因数。 该电路结合了构建一个坚固紧凑的 PFC 级所需的所有必要功能,同时最大程度减少了外部组件的数量。该准谐振电流模式反激级具有一个专属的谷锁闭电路,可确保稳定的谷切换。 该系统可在低至第 4 谷运行,对于超过第 4 谷的最小频率箝位则切换到频率折回模式,消除了噪声。跳过模式运行可在轻型负载条件下实现卓越能效,同时具有极低的待机功耗。
特性   优势
     
  • <10mW No Load Standby Performance
 
  • Lowest no load performance
  • High Voltage Startup Circuit and Active Input Filter Capacitor Discharge Circuitry
 
  • Eliminates the need for an external HV startup circuit and X2 resistors.
  • High Voltage Line Voltage Detector
 
  • Optimize performance based on 110 v or 220 V ac mains
  • Integrated High Voltage Switch Disconnects PFC Feedback Resistor Divider
 
  • Reduces no load standby power
  • Fault Input for Severe Fault Conditions
 
  • Enhanced protection capability
  • Bi-Level Line-Dependent Output Voltage
 
  • Optimized system with different input voltages
  • Boost Diode Short-Circuit Protection
 
  • Enhanced protection features
  • Adjustable PFC Disable Threshold Based on Output Power
 
  • Optimized system to improve efficiency
  • Frequency Foldback with Minimum Frequency Clamp
 
  • Enhanced efficiency at light and no load
  • Minimum Frequency Clamp
 
  • Eliminates audible noise
  • Valley Switching Operation with Valley-Lockout
 
  • Noise free operation
  • PFC
   
  • QR Flyback Controller
   
应用   终端产品
  • Adapters
  • Combo PFC+QR
 
  • All-In-One (AIO) Computers
  • High Power Notebook Adapters
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCP1937BADAPGEVB Active
Pb-free
90 W Adapter PFC+QR 10 MW Evaluation Board
Availability & Samples
Specifications
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
NCP1937A1DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937A2DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937A3DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937B1DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937B2DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937B3DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937B51DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937C1DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937C4DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
NCP1937C61DR2G Active
Pb-free
Halide free
NCP1937 SOIC-20 NB 751BS 1 260 Tape and Reel 2500 $0.7466
市场订货至交货的时间(周) : 13 to 16
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : 8 to 12
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : 13 to 16
ON Semiconductor   (2020-09-02 00:00) : 2,500
市场订货至交货的时间(周) : 13 to 16
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : 13 to 16
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
PFC Mode
Frequency Operation
Control Mode
Topology
fSW Typ (kHz)
VCC Max (V)
Drive Cap. (mA)
UVLO (V)
Latch
UVP
Inhibition
Package Type
NCP1937A1DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
SOIC-20 NB
NCP1937A2DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
SOIC-20 NB
NCP1937A3DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
SOIC-20 NB
NCP1937B1DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
No
Yes
Yes
SOIC-20 NB
NCP1937B2DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
No
Yes
Yes
SOIC-20 NB
NCP1937B3DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
No
Yes
Yes
SOIC-20 NB
NCP1937B51DR2G  
 $0.7466 
Pb
H
 Active   
SOIC-20 NB
NCP1937C1DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
SOIC-20 NB
NCP1937C4DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
SOIC-20 NB
NCP1937C61DR2G  
 $0.7466 
Pb
H
 Active   
CRM
Variable
Current Mode
Flyback
Variable
30
0.5
Yes
Yes
Yes
Yes
SOIC-20 NB
外形
751BS   
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