MAX1999EVKIT

MAX1777、MAX1977、MAX1999评估板


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说明

MAX1999评估板(EV kit)展示MAX1999器件的标准应用电路。该DC-DC变换器降压转换高电池电压或交流适配器的电压,产生笔记本电脑的系统电源。MAX1999评估板从7V至24V的电池电压输入,产生5V和3.3V的双路电压输出。具有5V/5A和3.3V/5A的输出能力,且效率超过90%。该评估板工作于200kHz/300kHz的开关频率(分别对应于5V/3.3V),且具有出色的线路和负载瞬态响应。

该评估板是一块完全安装和测试过的电路板。通过改变反馈电阻R1至R4,可以评估2V至5.5V范围内的其它输出电压。

该评估板也可评估MAX1777 (200kHz/5.0V的SMPS和300kHz/3.3V的SMPS)和MAX1977 (400kHz/5.0V的SMPS和500kHz/3.3V的SMPS)。

关键特性

  • 7V至24V输入电压范围
  • 3.3V和5V输出电压
  • 2V至5.5V的可调输出(外置电阻)
  • 5A的输出电流(3.3V输出)
  • 5A的输出电流(5V输出)
  • 无需检流电阻(MAX1999)
  • 使用检流电阻的准确电流检测(MAX1777/MAX1977)
  • 200kHz/300kHz开关频率(分别对应于5V/3.3V)
  • 电源就绪(PGOOD)输出
  • 故障保护使能/禁止
  • 28引脚QSOP封装
  • 低截面元件
  • 经过完全安装与测试
  • 应用

    • 有线电视机顶盒
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    相关资料


    MAX17783C
    4.5V to 60V, 2.5A, High Efficiency, Step-Down DC-DC Converter

    • Reduces External Components and Total Cost
    • Reduces Number of DC-DC Regulators to Stock
    • Reduces Power Dissipation

    MAX20028
    Step-Down Controller with Dual 2.1MHz Step-Down DC-DC Converters

    • High-Efficiency Voltage DC-DC Controller Saves Power
    • Dual 2.1MHz DC-DC Converters with Integrated FETs Saves Space
    • High Accuracy to Meet ASIL Specification

    MAX77533
    14V Input, 1.5A High-Efficiency Buck Converter with 9μA IQ

    • 1.5A Single Channel Buck Regulator
    • 3V to 14V Input Voltage Range
    • 0.8V to 99%VSUP Output Voltage Range

    MAX20766
    Smart Slave IC with Integrated Current and Temperature Sensors

    • Increased Power Density with Fewer External Components
    • Accurate Real-Time Telemetry of Critical Parameters
    • Advanced Self-Protection Features for the System and IC

    MAX20796
    Dual-Phase Scalable Integrated Voltage Regulator with PMBus Interface

    • Peak Efficiency 92%; Full-Load Efficiency 90% at VIN = 12V, VOUT = 1V
    • Operating Input Voltage Range 4.5V to 16V
    • Output Voltage Range is 0.5V to 5.5V

    MAX17227A
    400mV to 5.5V Input, 2A nanoPower Boost Converter with Short-Circuit Protection and True Shutdown

    • 350nA Quiescent Supply Current from Output
    • Output Short-Circuit Protection
    • True Shutdown Mode

    MAX20030
    Dual Buck, Sync Boost and LDO–Complete Front-End Power Supply with 17μA IQ

    • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • Enables Crank-Ready Designs
    • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range

    MAX20031
    Dual Buck, Sync Boost and LDO–Complete Front-End Power Supply with 17μA IQ

    • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • Enables Crank-Ready Designs
    • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range

    MAX25431
    Automotive 40V, 2.2MHz, H-Bridge Buck-Boost Controller

    • Meets Stringent Automotive Quality and Reliability Requirements
    • Efficient Solution in a Small Solutions Size
    • Low Quiescent Current Helps Designers Meet Stringent OEM Current Requirements

    MAX20710
    Integrated, Step-Down Switching Regulator with PMBus

    • High Power Density and Low Component Count
    • Optimized Component Performance and Efficiency with Reduced Design-In Time
    • Increased Power-Supply Reliability with System and IC Self-Protection Features

    MAX17760
    4.5V to 76V, 300mA, High-Efficiency, Synchronous Step-Down DC-DC Converter

    • Reduces External Components and Total Cost
    • Reduces Number of DC-DC Regulators to Stock
    • Reduces Power Dissipation

    MAX20430
    Four-Output Mini PMIC for Safety Applications

    • Multiple Functions for Small Size
    • High-Precision for ASIL Applications
    • Diagnostics and Redundant Circuits

    MAX18066
    High-Efficiency, 4A, Step-Down DC-DC Regulator with Internal Power Switches

    • Feature Integration Shrinks Solution Size
    • High Efficiency Conserves Power
    • Safe, Reliable, Accurate Operation

    MAX18166
    High-Efficiency, 4A, Step-Down DC-DC Regulator with Internal Power Switches

    • Feature Integration Shrinks Solution Size
    • High Efficiency Conserves Power
    • Safe, Reliable, Accurate Operation

    MAX77511
    10V输入、四相位、可配置、3A/相位、高效Buck转换器

    • 3A/相配置Buck调节器
    • 2.3V至10V输入电压范围
    • 0.25V至5.2V输出电压范围

    MAX77711
    10V输入、四相位、可配置、3A/相位、高效Buck转换器

    • 3A/相配置Buck调节器
    • 2.3V至10V输入电压范围
    • 0.25V至5.2V输出电压范围

    MAX15158, MAX15158A
    High-Voltage Multiphase Boost Controller

    • Wide Operating Range
    • Integration Reduces Design Footprint
    • Robust Fault Protection Improves Quality and Reliability

    MAX15158A
    High-Voltage Multiphase Boost Controller

    • Wide Operating Range
    • Integration Reduces Design Footprint
    • Robust Fault Protection Improves Quality and Reliability