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NCP1032: 集成式 DC-DC 转换器,PWM,3.0W

Datasheet: Low Power PWM Controller with On-Chip Power Switch
Rev. 3 (625kB)
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NCP1032x 是一款微型高电压单片转换器,带有片上电源开关和启动电路。它使用极少的外部组件,在一个集成电路中结合了实施若干开关稳压器应用所需的所有有源电源、控制逻辑和保护电路,如辅助侧偏置电源和低功耗 DC-DC 转换器。此转换器适用于 24V、48V 典型和医疗隔离电源应用。NCP1032x 可配置在任何单端拓扑结构中,如正向和反激转换器。NCP1032x 适用于最高需要 3W 的应用。 内部误差放大器使得 NCP1032x 能够轻松配置用于隔离和非隔离配置中的辅助侧或初级侧调节运行。固定频率振荡器针对 1MHz 的运行而优化,能够实现外部频率同步,提供更高的设计灵活性。另外,NCP1032x 结合了欠电压和过电压线路检测器、可编程按周期电流限制、内部软启动和高温关断,以便在故障条件下保护控制器。
特性   优势
     
  • On Chip High 200 V Power Switch Circuit and Startup Circuit
 
  • No external circuitry needed for high voltage start up
  • Internal Startup Regulator with Auxiliary Winding Override
 
  • Smaller PCB footprint
  • Programmable Oscillator Frequency, Operation up to 1 MHz
 
  • Optimization of switching frequency for size and efficiency
  • External Frequency Synchronization Capability
 
  • Optimization of switching frequency for size and efficiency
  • Frequency Fold-down Under Fault Conditions
 
  • System level protection
  • Trimmed ± 1% Internal Reference
 
  • Output voltage accuracy
  • Programmable Cycle by Cycle Current Limit
 
  • System level protection
  • Line Under and Over Voltage Protection
 
  • System level protection
  • Over Temperature Protection
 
  • System level protection
  • Internal Soft Start
   
  • Active Leading Edge Blanking Circuit
   
应用   终端产品
  • Stand Alone Low Power DC-DC Converter
  • Secondary Side Bias Supply for Isolated DC-DC Converters
  • Low Power Bias Supply
  • Low Power Boost Converter
  • Medical Isolated Power Supplies
  • POE (Power Over Ethernet)/PD. Refer to Application Note AND8247.
  • Bias Supply for Telecom Systems. Refer to Application Note AND8119/D.
 
  • Microinverter for solar systems
  • High voltage Power Supplies
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCP1032BGEVB Active
Pb-free
Integrated DC-DC Converter, PWM, 3.0W Evaluation Board
Availability & Samples
Specifications
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
NCP1032AMNTXG Active
Pb-free
Halide free
NCP1032, OV enabled WDFN-8 511BH 1 260 Tape and Reel 3000 $0.88
NCP1032BMNTXG Active
Pb-free
Halide free
NCP1032 WDFN-8 511BH 1 260 Tape and Reel 3000 $0.88
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

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Package Type
NCP1032AMNTXG  
 $0.88 
Pb
H
 Active   
Flyback
Voltage Mode
8
200
12
80
1000
WDFN-8
NCP1032BMNTXG  
 $0.88 
Pb
H
 Active   
Flyback
Voltage Mode
8
200
12
80
1000
WDFN-8
外形
511BH   
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Integrated DC-DC Converter, PWM, 3.0W Evaluation Board - NCP1032BGEVB Test Procedure
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