WMSIC Electronic Components

MICRONE ME2108A56PG

ModelME2108A56PG
PackageSOT-89-3
BrandMICRONE
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
MICRONE ME2108A56PG
Type
MICRONE
Minimum package
1000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICRONE
Electronic Component
ME2108A56PG
Electronic Component
1
Package
SOT-89-3
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.145g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0229963187
Operating Temperature
25℃~+85℃@(TA)
Operating Voltage
900mV~6.5V
Switching Frequency
180kHz
Electronic Component
Electronic Component
Output Voltage
5.6V

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

ME2108A56PG 产品概述

一、产品简介

ME2108A56PG(MICRONE 南京微盟)是一款升压型 DC-DC 转换器,采用 SOT-89-3 小封装,内置开关晶体管,支持单路 5.6V 恒定输出,输入电压范围宽(0.9V ~ 6.5V),最大输出电流可达 400mA。该器件工作频率为 180kHz,静态电流仅 50µA,适合低电压电池或单节锂电供电的便携与物联网设备。

二、主要规格与特性

  • 功能类型:升压型(Boost)
  • 输入电压(VIN):0.9V ~ 6.5V
  • 输出电压(VOUT):5.6V(固定)
  • 输出电流:最大 400mA
  • 开关频率:180kHz(固定)
  • 同步整流:否(需外接整流二极管)
  • 工作温度(Ta):-25℃ ~ +85℃
  • 静态电流(Iq):约 50µA
  • 开关管:内置
  • 输出通道数:1
  • 封装:SOT-89-3

三、典型应用场景

  • 单节锂电池/碱性电池升压到固定 5.6V 的便携设备
  • 无线传感器节点、IoT 终端、电池供电模块
  • 小型相机、采集模组、测量仪器的局部升压供电
  • 需要低空闲功耗且占板面小的电源方案

四、设计与选型注意事项

  1. 同步整流为否:器件为非同步拓扑,输出侧需选用低 VF 的肖特基二极管,额定电流建议 ≥ 1.5× 负载电流以保证可靠性。
  2. 电感选择:选择饱和电流高于峰值电流、低 DCR 的功率电感。对于 180kHz 工作频率,典型电感值可在数 µH 到数十 µH 之间(根据负载与输入电压调整),并注意饱和特性与温升。
  3. 输入/输出电容:使用低 ESR 陶瓷电容作主滤波,输入侧需靠近芯片放置以抑制开关噪声;输出侧增大电容可降低输出纹波并提高瞬态响应。
  4. 热管理与封装限制:SOT-89-3 热阻较大,持续高负载下需关注芯片温升,建议加大铜箔散热面积或配置散热过孔,保证环境温度下满足热裕量。
  5. 布局要点:最小化电感、二极管、开关管与输入/输出电容之间的回流回路面积;将敏感信号走线远离开关节点,注意地线回流路径。

五、典型电路建议

  • 输入端:VIN 旁并联 4.7µF~22µF 陶瓷电容(X5R/X7R),增加 0.1µF 高频旁路。
  • 开关回路:尽量缩短 L、D、C 与芯片之间的连线。
  • 二极管:选低 Vf、快速恢复肖特基,耐压 ≥ 12V 为宜,正向电流能力建议 ≥ 600mA~1A。
  • 输出端:输出端并联 10µF~47µF 陶瓷电容以降低纹波并改善瞬态。

ME2108A56PG 凭借低输入启动电压、低静态电流与紧凑封装,适合电池供电且空间受限的应用,但在高效率要求与高功率场景需综合考量非同步拓扑带来的整流损耗与封装的散热限制。

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