LTC3786

量产

低 I_Q、同步升压型控制器

数据手册 (Rev. E) 产品选型表

产品模型: 20

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产品详情

同步操作用于实现最高的效率并减少热耗散
宽 V_IN 范围：4.5V 至 38V (绝对最大值为 40V)，启动之后可在低至 2.5V 的电压条件下运作
输出电压高达 60V
±1% 1.2V 基准电压
R_SENSE 或电感器 DCR 电流检测
针对同步 MOSFET 的 100% 占空比能力
低静态电流：55μA

可锁相频率 (75kHz 至 850kHz)
可编程固定频率 (50kHz 至 900kHz)
可调输出电压软起动
电源良好输出电压监视器
低停机电流 I_Q：< 8μA
内部 5.4V LDO 用于提供栅极驱动电源
耐热性能增强型 16 引脚 3mm x 3mm QFN 封装和 MSOP 封装
通过AEC-Q100汽车应用认证

产品模型: 20

参考资料

ADI 始终高度重视提供符合最高质量和可靠性水平的产品。我们通过将质量和可靠性检查纳入产品和工艺设计的各个范围以及制造过程来实现这一目标。出货产品的“零缺陷”始终是我们的目标。查看我们的质量和可靠性计划和认证以了解更多信息。

产品型号	引脚/封装图-中文版	文档	CAD 符号，脚注和 3D模型
LTC3786EMSE#PBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786EMSE#TRPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786EUD#PBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786EUD#TRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HMSE#PBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HMSE#TRPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HMSE#WPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HMSE#WTRPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HUD#PBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HUD#TRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HUD#WPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786HUD#WTRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IMSE#PBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IMSE#TRPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IMSE#WPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IMSE#WTRPBF	16-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IUD#PBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IUD#TRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IUD#WPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3786IUD#WTRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

产品型号	产品生命周期	PCN

10月 11, 2022 - 22_0244 Epoxy Change from Henkel 8290 to 8290A for MSOP Package
		PCN22_0244_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC3786EMSE#PBF	量产
LTC3786EMSE#TRPBF	量产
LTC3786HMSE#PBF	量产
LTC3786HMSE#TRPBF	量产
7月 31, 2020 - 20_0245 Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)
		PCN20_0245_Form Material_Report Delta Qualification Matrix Other Qualification Results Summary
LTC3786EMSE#PBF	量产
LTC3786EMSE#TRPBF	量产
LTC3786EUD#PBF	量产
LTC3786EUD#TRPBF	量产
LTC3786HMSE#PBF	量产
LTC3786HMSE#TRPBF	量产
LTC3786HUD#PBF	量产
LTC3786HUD#TRPBF	量产
LTC3786IMSE#PBF	量产
LTC3786IMSE#TRPBF	量产
LTC3786IUD#PBF	量产
LTC3786IUD#TRPBF	量产
2月 4, 2020 - 20_0132 Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0132_Form Material_Report
LTC3786EMSE#PBF	量产
LTC3786EMSE#TRPBF	量产
LTC3786HMSE#PBF	量产
LTC3786HMSE#TRPBF	量产
LTC3786IMSE#PBF	量产
LTC3786IMSE#TRPBF	量产
6月 5, 2024 - 24_0003 Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)
		PCN24_0003_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC3786IMSE#PBF	量产
LTC3786IMSE#TRPBF	量产
7月 12, 2022 - 22_0157 UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages [With Modification in BOM]
		PCN22_0157_Form Material_Report Qualification Results Summary Delta Qualification Matrix Detailed Parts List
LTC3786IMSE#PBF	量产
LTC3786IMSE#TRPBF	量产
6月 21, 2022 - 22_0050 UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices
		PCN22_0050_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC3786IMSE#PBF	量产
LTC3786IMSE#TRPBF	量产

这是最新版本的数据手册

软件资源

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硬件生态系统

部分模型	产品周期	描述
浪涌抑制器、过压和过流保护 1
LT4363	推荐新设计使用	具电流限制功能的高电压浪涌抑制器

部分模型	产品周期	描述
LTC3787	推荐新设计使用	具有直通功能的多相同步升压控制器

工具及仿真模型

LTspice 3

LTspice中提供以下器件型号：

LTC3786

LTpowerCAD 1

LTC3786 Project - Low Iq, High Efficiency Synchronous Boost Controller (4-22V to 24V @ 5A)

LTspice^®是一款强大高效的免费仿真软件、原理图采集和波形观测器，为改善模拟电路的仿真提供增强功能和模型。

LTpowerCAD^®是一种电源设计程序，它选择功率级元件，提供详细效率信息，显示快速环路波特图稳定性和负载瞬态分析，并可导出至LTspice进行仿真。

评估套件

LTC3786 MS16E演示板5V VIN 24V；VOUT = 24V（高达10A）

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产品详情

演示电路DC1641是一款DC/DC升压转换器，内置LTC3786恒频电流模式升压控制器。DC1641A在5V至24V输入电压范围内工作，并在6V和10V输入电压时分别提供超过5A和9A的输出电流，如图3所示。恒定工作频率为350kHz，可实现小型高效电路。该转换器在宽负载范围内提供较高的输出电压精度（通常为±3%），且没有最低负载要求。该演示电路可轻松修改，以产生不同的输出电压。