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NCP1219: PWM 控制器,带可调节跳过水平和外部锁存输入

Datasheet: PWM Controller with Adjustable Skip Level and External Latch Input
Rev. 3 (210.0kB)
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NCP1219 是成功的 7 引脚电流模式 NCP12XX 系列的新一代引脚-引脚兼容新产品。该控制器通过使用可调节的跳过模式和集成式高电压启动 FET,实现了出色的待机功耗。内部频率抖动、斜坡补偿、基于计时器的故障检测和锁存输入使得此控制器成为耐用性和部件成本为关键限制因素的转换器的绝佳备选。动态自供电 (DSS) 大大简化了变压器的设计,无需使用辅助绕组为 NCP1219 供电。此功能对于输出电压在运行期间会发生变化的应用尤其有用(如电池充电器)。由于其高电压技术,该集成电路直接联接高电压直流轨。
特性   优势
     
  • Cycle Skip Mode
 
  • Improved efficiency at light loads and standby conditions
  • Internal High Voltage Startup Circuit
 
  • Clean and loss less start-up sequence and reduces component count
  • Latch Input for Easy Implementation of Overvoltage and Overtemperature Protection
 
  • Design versatility
  • Fixed-Frequency Current-Mode Operation with Ramp Compensation (65 kHz and 100 kHz Options)
   
  • Dynamic Self Supply Eliminates the Need for an Auxiliary Winding
   
  • Timer-Based Fault Protection for Improved Overload Detection
   
  • Latch and Auto-Recovery Overload Protection Options
   
  • Accurate Current Limit Detector (±5%)
   
  • Adjustable Skip Level
   
  • Frequency Modulation for Softened EMI Signature
   
  • 500 mA/800 mA Peak Source/Sink Current Drive Capability
   
  • Pin to Pin Compatible with the Existing NCP12XX Series
   
  • This is a Pb-Free and Halide-Free Device
   
应用   终端产品
  • AC-DC Adapters
  • Consumer Electronic Power Supplies
 
  • Offline Battery Chargers
  • STB, DVD, DVDR
  • Notebooks
  • LCD Monitors
  • Printers
Availability & Samples
Specifications
外形
应用框图
Interactive Block Diagram
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
NCP1219AD100R2G Active
Pb-free
Halide free
NCP1219 SOIC-7 751U 1 260 Tape and Reel 2500 $0.56
NCP1219AD65R2G Active
Pb-free
Halide free
NCP1219 SOIC-7 751U 1 260 Tape and Reel 2500 $0.56
NCP1219BD100R2G Lifetime
Pb-free
Halide free
NCP1219 SOIC-7 751U 1 260 Tape and Reel 2500 $0.4213
NCP1219BD65R2G Active
Pb-free
Halide free
NCP1219 SOIC-7 751U 1 260 Tape and Reel 2500 $0.56
市场订货至交货的时间(周) : Contact Factory
PandS   (2020-09-14 00:00) : >1K
市场订货至交货的时间(周) : Contact Factory
PandS   (2020-09-14 00:00) : <1K
市场订货至交货的时间(周) : Contact Factory
PandS   (2020-09-14 00:00) : >1K
ON Semiconductor   (2020-09-02 00:00) : 115,000
市场订货至交货的时间(周) : Contact Factory
PandS   (2020-09-14 00:00) : <100

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
fsw Typ (kHz)
Stand-by Mode
UVLO (V)
Short Circuit Protection
Latch
Soft Start
VCC Max (V)
Drive Cap. (mA)
Package Type
NCP1219AD100R2G  
 $0.56 
Pb
H
 Active   
Flyback
Current Mode
100
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-7
NCP1219AD65R2G  
 $0.56 
Pb
H
 Active   
Flyback
Current Mode
65
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-7
NCP1219BD65R2G  
 $0.56 
Pb
H
 Active   
Flyback
Current Mode
65
Yes
9.4
Yes
Yes
Yes
20
500 / 800
SOIC-7
外形
751U   
封装
NCP1219: PWM 控制器,带可调节跳过水平和外部锁存输入
NCP1219: PWM 控制器,带可调节跳过水平和外部锁存输入
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