feedback
评价本网页

需要帮助?

NCP1593: 同步降压稳压器,1 MHz,3.0 A

Datasheet: Synchronous Buck Regulator 1 MHz, 3 A
Rev. 2 (479kB)
产品概览
»浏览可靠性数据
»查看材料成分
» 产品更改通知
NCP1593 是一款固定的 1 MHz 高输出电流同步 PWM 转换器,集成了低电阻、高压侧 P 沟道 MOSFET 和低压侧 N 沟道 MOSFET。NCP1593 采用内部补偿的电流模式控制,提供良好的瞬变响应,易于实施,并具有出色的环路稳定性。它可以调节 4.0 V 至 5.5 V 的输入电压、低至 0.6 V 的输出电压,并能提供高达 3 A 的负载电流。 NCP1593 包括一个内部固定开关频率 (FSW),以及一个内部软启动来限制涌流。其他特性包括逐周期电流限制、100% 占空比运行、短路保护、省电模式和高温关断。
特性   优势
     
  • Wide Input Voltage Range: from 4.0 V to 5.5 V
 
  • Ability to run from various input voltage sources
  • Internal 90 mΩ High-Side P-Channel MOSFET and 70 mΩ Low-Side N-Channel MOSFET
 
  • High efficiency and good thermal performance
  • Fixed 1 MHz Switching Frequency
 
  • Small output inductor/capacitor and low ouptut ripple voltage
  • Cycle-by-Cycle Current Limiting
 
  • Protection feature
  • Hiccup Mode Short-Circuit Protection
 
  • Protection feature
  • Overtemperature Protection
 
  • Protection feature
  • Internal Fixed SoftStart with External Adjustment
 
  • Ability to reduce external components with fixed internal SS time or adjust externally
  • Start-up with Pre-Biased Output Load
 
  • Protection feature
  • Adjustable Output Voltage Down to 0.6 V
 
  • Ability to regulate low output voltages
  • Auto Power Saving Mode During Light Load
 
  • Increased efficiency at light load
  • 100% Duty Cycle Operation
 
  • Extends battery life
应用   终端产品
  • +5Vin buck regulator
 
  • DVD Drives and HDD
  • Notebook Computing
  • Set-Top-Box (STB)
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCP1593AGEVB Active
Pb-free
3 A Synchronous Buck Regulator Evaluation Board
NCP1593BGEVB Active
Pb-free
3 A Synchronous Buck Regulator Evaluation Board
Availability & Samples
Specifications
Intaractive 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
NCP1593AMNTWG Active
Pb-free
Halide free
NCP1593 DFN-10 485C 1 260 Tape and Reel 3000 $0.3333
NCP1593BMNTWG Active
Pb-free
Halide free
NCP1593 DFN-10 485C 1 260 Tape and Reel 3000 $0.3333
市场订货至交货的时间(周) : 4 to 8
市场订货至交货的时间(周) : 4 to 8

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
NCP1593AMNTWG  
 $0.3333 
Pb
H
 Active   
Step-Down
Current Mode
4
5.5
0.6 to 5.0
3
90
1000
DFN-10
NCP1593BMNTWG  
 $0.3333 
Pb
H
 Active   
Step-Down
Current Mode
4
5.5
0.6 to 5.0
3
90
1000
DFN-10
外形
485C   
之前浏览的产品
清除列表

精选视频
3 A Synchronous Buck Regulator
Your request has been submitted for approval.
Please allow 2-5 business days for a response.
You will receive an email when your request is approved.
Request for this document already exists and is waiting for approval.