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LM26484SQE/NOPB

电源管理 IC
  • 参考价格：￥11.73-￥25.74

更新日期：2024-04-01

LM26484SQE/NOPB

电源管理 IC

产品简介：两个直流/直流转换器和一个 LDO 可配置 PMIC

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  • 参考价格：￥11.73-￥25.74

LM26484SQE/NOPB 供应商

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LM26484SQE/NOPB 中文资料属性参数

  • 制造商：National Semiconductor (TI)
  • 最大输入电压：5.5 V
  • 输出电压：0.8 V to 1.5 V
  • 输出电流：1 A
  • 输出端数量：2
  • 输出类型：Adjustable
  • 最大工作温度：+ 125 C
  • 安装风格：SMD/SMT
  • 封装 / 箱体：LLP-24 (QFN-24)
  • Input Voltage MIN：3 V
  • 最小工作温度：- 40 C
  • 封装：Reel
  • PSRR / 脉动抑制（典型值）：30 dB at 10 KHz
  • 工厂包装数量：250

产品特性

  • Step-Down DC/DC Converter (Buck)3.0–5.5V Input Range Externally Adjustable VOUT: Bucks 1 & 2: 0.8V–3.5V @ 2A 180° Phase Shift Between Bucks Clocks 2 MHz PWM Switching Frequency ±1% feedback Voltage Accuracy Automatic Soft Start Current Overload Protection PWM/PFM efficiency Modes Available
  • 3.0–5.5V Input Range
  • Externally Adjustable VOUT:
  • Bucks 1 & 2: 0.8V–3.5V @ 2A
  • 180° Phase Shift Between Bucks Clocks
  • 2 MHz PWM Switching Frequency
  • ±1% feedback Voltage Accuracy
  • Automatic Soft Start
  • Current Overload Protection
  • PWM/PFM efficiency Modes Available
  • Linear Regulator (LDO) Controller3.0V–5.5V Input Range Externally Adjustable VOUT ±1.5% Feedback Voltage Accuracy Regulated to Low VIN - Low VOUT LI-LO (Low Input Low Output) NFET Operation Input to the LI-LO Configuration, Can Be Post Regulated When Supply is Regulated by Buck2 Up to 1000 mA Output Current by Selection of External FET
  • 3.0V–5.5V Input Range
  • Externally Adjustable VOUT
  • ±1.5% Feedback Voltage Accuracy
  • Regulated to Low VIN - Low VOUT LI-LO (Low Input Low Output) NFET Operation
  • Input to the LI-LO Configuration, Can Be Post Regulated When Supply is Regulated by Buck2
  • Up to 1000 mA Output Current by Selection of External FET

产品概述

The LM26484 is a multi-function, configurable Power Management Unit. This device integrates two highly efficient 2.0A Step-Down DC/DC converters, one LDO Controller, a POR (Power On Reset) circuit, and thermal overload protection circuitry. All regulator output voltages are externally adjustable. The LDO controller is a low-voltage NMOS voltage regulator. The LM26484 is offered in a 5 x 4 x 0.8 mm WQFN-24 pin package.
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LM26484SQE/NOPB 数据手册

数据手册 说明 数量 操作
LM26484SQE/NOPB

Digital Cores PMIC 24-WQFN (4x5)

 25页,2.32M 查看

LM26484SQE/NOPB 电路图

LM26484SQE/NOPB 电路图

LM26484SQE/NOPB 电路图

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