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APEK8590KLP-01-MH
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APEK8590KLP-01-MH

  • 所属类别:稳压器
  • 产品名称:宽输入电压,2.4 MHz、3.0 A 异步降压稳压器,具有低IQ待机、睡眠模式、外部同步和NPOR输出性能
  • 厂商:Allegro
  • 生产批号:15+
  • 封装:DEMO BOARD
  • 库存状态:有库存
  • 库存量:9050
  • 最低订购量:1
  • 详细资料:点击查找APEK8590KLP-01-MH的pdf资料
  • 点击询价
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  • Product Introduction

A8590的设计旨在满足下一代汽车音频和信息娱乐系统的供电需求,提供生产具有±1.0%输出电压精确度的大电流稳压器的全部控制和保护电路。A8590使用脉冲频率调制(PFM),使12 VIN(输入电压)拉流负载小于50 μA,同时输出3.3 V/40 μA。启动后,A8590可在至少3.6 VInput voltage(输入voltage下降)下运行。

A8590的功能包括用以启用 PWM(逻辑高)或 PFM(逻辑低)的PWM/PFM模式控制输入。若PWM/PFM输入由高于基础频率的外部时钟信号驱动(fOSC),PWM频率将与输入时钟频率同步。该sleep输入引脚控制超低电流关断模式,对于内部电路,要求小于5 μA,对于MOSFET泄漏(16 VIN,85ºC),要求10  μ A(最大值)。A8590具有外部补偿,以适应宽频率范围和外部组件,并且提供由输出电压验证的上电复位(NPOR)信号。A8590采用增强怠速/熄火-启动故障恢复技术,减少或消除VIN(输入电压)从低于最小VIN(即VOUT低于调节值)值恢复时的输出过冲故障。

The A8590's extensive protection features include pulse-by-pulse current limiting, hiccup-mode short-circuit protection, open/short-circuit asynchronous diode protection, BOOT open/short-circuit voltage protection, VIN undervoltage lockout, VOUT overvoltage protection, and over-temperature shutdown.

The A8590 is available in an ultra-thin 16-pin TSSOP package with an exposed power strip (suffix LP). The package is lead-free (Pb) and the pin frame is 100% matte tin plated.

Application >

  • 仪表组
  • 音响系统
  • 导航
  • HVAC
    • 符合汽车AEC-Q100标准
    • 承受冲击电压不超过40 V
    • 可在低至 3.4 V 的Input voltage(典型)下运行(VIN 下降)
    • 通过利用脉冲频率调制 (PFM),可在输入电压下仅耗用十几毫安的电流,同时保持维弧输出电压
    • PWM/PFM模式控制输入引脚
    • 提供至多3.0 A输出电流与集成110 mΩ高压MOSFET
    • SLEEP输入引脚控制极低的电流关机模式
    • 可调输出电压,在0±C到85°C的温度范围下精确度为°1.0%,在0±C到150–C°的温度范围下精确度为°1.5%
    • 可编程开关频率:250 kHz 至 2.4 MHz
    • 同步功能:向PWM/PFM输入引脚应用时钟输入将增加PWM频率
    • 低电平、上电复位(NPOR)漏极开路输出
    • 低压差的最大工作周期
      • 增强怠速-熄火恢复瞬变
    • 能够实现预偏置启动,输出电压不会导致复位
    • 可利用外部补偿实现最大灵活性
    • 兼容陶瓷或电解输出电容器
    • 出色的保护功能,可满足最严格的应用要求
    • 过电压、逐脉冲电流限制、打嗝模式短路保护和热保护
    • 稳健的FMEA可防止引脚开路/短路和元件故障
    • 具有增强散热功能的表面安装封装

The ICs associated with the APEK8590KLP-01-MH include:


Model Manufacturers lot number encapsulation illustrate
APEK8590KLP-01-MH Allegro 15+ DEMO BOARD Wide input voltage, 2.4 MHz, 3.0 A asynchronous buck regulator with low IQ standby, sleep mode, external synchronization, and NPOR output performance
A8590KLPTR-T Allegro 15+ 16-lead TSSOP Wide input voltage, 2.4 MHz, 3.0 A asynchronous buck regulator with low IQ standby, sleep mode, external synchronization, and NPOR output performance

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