WMSIC Electronic Components

MPS MP2338GTL-Z

ModelMP2338GTL-Z
PackageSOT-583
BrandMPS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MPS MP2338GTL-Z
Type
MPS
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MPS
Electronic Component
MP2338GTL-Z
Electronic Component
1
Package
SOT-583
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.068g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0227783308
Operating Temperature
40℃~+125℃
Operating Voltage
4.5V~28V
Switching Frequency
450kHz
Electronic Component
Electronic Component
Output Voltage
500mV~16V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MP2338GTL-Z 产品概述

一、概述

MP2338GTL-Z 是 MPS 提供的一款高效率降压型开关稳压器,单路输出,工作电压范围宽(4.5V 至 28V),输出可调(0.5V 至 16V),最大连续输出电流可达 3A。器件集成高侧与低侧开关(同步整流),在 430kHz 开关频率下工作,封装为小体积 SOT-583,适合空间受限且需高能效的点负载应用。器件提供 Power-Good (PG) 输出以及外部软启动 (ext.SS) 接口,便于供电监控和启动电流控制。

二、主要特性

  • 输入电压范围:4.5V ~ 28V,兼容 12V/24V 工业与车载辅助电源(需遵守系统浪涌限制)。
  • 输出电压范围:0.5V ~ 16V,可通过外部分压电阻设定。
  • 最大输出电流:3A(热限与散热条件相关)。
  • 开关频率:典型 430kHz,平衡效率与外部元件尺寸。
  • 低静态电流:典型 IQ = 160µA,适合待机节能场景。
  • 同步整流:内置功率 MOSFET,提高轻载与中载效率。
  • 功能引脚:PG(电源健康指示)、ext.SS(外部软启动),方便系统级电源管理。
  • 工作温度:-40℃ ~ +125℃;封装:SOT-583,适合表面贴装工艺。

三、电气与设计要点

  • 输出设置:以器件内部基准(0.5V)为参考,通过两个电阻构成反馈网络实现输出电压调节。
  • 软启动:ext.SS 接入电容可控制输出上升速率,限制启动浪涌、电容充电电流以及实现电源排序。
  • PG 功能:PG 输出用于指示输出是否达到设定范围,常用于系统上电监控与复位控制。
  • 效率与散热:内部同步 MOSFET 减少整流损耗,但在高输入电压与大电流工作时器件功耗仍需通过 PCB 铜厚与散热设计管理。

四、典型应用场景

  • 24V/12V 工业与自动化供电到低压数字/模拟电源(如 3.3V、5V、1.2V 等)。
  • 电信设备与网络设备的点负载转换模块。
  • 汽车辅助电源(非主动力系统,须符合车规电磁兼容与瞬态要求)。
  • 工业控制、嵌入式系统、可穿戴或手持设备中的高效率降压电源解决方案。

五、封装与布局建议

  • 尽量缩短 VIN、SW、PGND 与输入电容之间的回流路径,降低开关噪声与 EMI。
  • 将输入电容靠近 VIN 与 PGND 引脚放置,输出电容靠近 SW 与 VOUT 放置,电感靠近 SW 节点。
  • 选择电感饱和电流高于最大负载(>3A)且直流电阻低的器件以优化效率与热性能。
  • 输出与输入电容建议采用低 ESR 的陶瓷电容,必要时并联大容量电解/钽电容以提高瞬态响应。
  • 注意 SOT-583 小封装的热阻,必要时使用多层 PCB 的过孔与大面积铜箔作为散热路径。

六、选型与参考

在设计之前请参考最新版官方 datasheet 获取完整电气特性曲线、典型应用电路、元件选型表与布局范例。对于需要更高温度、汽车级认证或不同封装的场景,可向 MPS 查询相近系列器件与参考设计。

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