Analog Devices Inc. LTM4633/LTM4634降压型直流/直流μModule稳压器

Linear Technology/Analog Devices LTM4633/LTM4634三路输出降压型直流/直流μModule稳压器将三个开关模式直流/直流转换器整合在一个节约空间的热增强型15mm×15 mm×5.01mm BGA封装中。电流模式架构和高开关频率的运用实现了针对线路和负载变化的快速瞬态响应,并且未牺牲稳定性。LTM4633/LTM4634的优势和特性包括软启动、输出电压跟踪、频率同步,以及用于电源轨排序的多相并行工作。其他故障保护特性包括过流保护、过压保护和温度监控。

特性

  • LTM4633 
    • Three independent 10A DC output current regulator channels
    • 4.7V to 16V input voltage range
    • 2.375V to 16V with external 5V bias
    • 0.8V to 1.8V VOUT1,2 voltage range
    • 0.8V to 5.5V VOUT3 voltage range
    • ±1.5% maximum total DC output error
    • Current mode control/fast transient response
    • Frequency synchronization
    • Output overvoltage and overcurrent protection
    • Multiphase operation with current sharing on VOUT1 and VOUT2
    • General-purpose temperature monitors
    • Soft-start/voltage tracking
    • Power good monitors
    • 15mm × 15mm × 5.01mm BGA package
  • LTM4634 
    • Three independent high-efficiency regulator channels
    • IOUT1,2 = 5A, IOUT3 = 4A
    • 4.75V to 28V input voltage range
    • Independent VIN for each channel
    • 0.8V to 5.5V VOUT1,2 voltage range
    • 0.8V to 13.5V VOUT3 voltage range
    • ±1.5% maximum total DC output error
    • Current mode control/fast transient response
    • Frequency synchronization
    • Output overvoltage and overcurrent protection
    • PolyPhase® operation with current sharing
    • General-purpose temperature monitors
    • Soft-start/voltage tracking
    • Power good monitors
    • SnPb or RoHS compliant finish
    • 15mm × 15mm × 5.01mm BGA package

应用

  • Telecom, networking, and industrial equipment
  • High-density Point-of-Load regulation
发布日期: 2017-05-16 | 更新日期: 2025-03-25