LT1959

量产

4.5A、500kHz 降压型开关稳压器

数据手册产品选型表

产品模型: 8

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产品详情

输入可低至 4V
输出范围低至 1.21V
恒定 500kHz 开关频率
可全部采用表面贴装元器件
电感量减至 1.8µH
开关管饱和电阻：0.07Ω
关断电流：15µA
易于同步
每个开关周期均有电流限制
4.5A 开关管
电流模式控制环路

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
LT1959CR#PBF	7-Lead DD Pak	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959CR#TRPBF	7-Lead DD Pak	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959CS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959CS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959IR#PBF	7-Lead DD Pak	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959IR#TRPBF	7-Lead DD Pak	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959IS8#PBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT1959IS8#TRPBF	8-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

产品型号	产品生命周期	PCN

8月 10, 2022 - 22_0175 Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark
		PCN22_0175_Form Material_Report Delta Qualification Matrix
LT1959CR#PBF	量产
LT1959CR#TRPBF	量产
LT1959IR#PBF	量产
LT1959IR#TRPBF	量产
10月 24, 2024 - 24_0246 Migrating Bottom Trace Code Marking to Top Side Laser Marking for SOIC_N Package
		PCN24_0246_Form Material_Report Marking Comparison Delta Qualification Matrix
LT1959CS8#PBF	量产
LT1959CS8#TRPBF	量产
LT1959IS8#PBF	量产
LT1959IS8#TRPBF	量产
10月 12, 2022 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
		PCN22_0255_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT1959CS8#PBF	量产
LT1959CS8#TRPBF	量产
LT1959IS8#PBF	量产
LT1959IS8#TRPBF	量产
6月 16, 2021 - 21_0026 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
		PCN21_0026_Form Material_Report Delta Qualification Matrix
LT1959CS8#PBF	量产
LT1959CS8#TRPBF	量产
LT1959IS8#PBF	量产
LT1959IS8#TRPBF	量产

这是最新版本的数据手册

硬件生态系统

部分模型	产品周期	描述
硅振荡器 1
LTC6909	量产	采用扩频调制、可提供 1 至 8 个输出的多相硅振荡器
数字电源系统管理器 1
LTC2974	推荐新设计使用	具有精确输出电流的4通道PMBus电源系统管理器
双电源监控器 1
LTC2960	推荐新设计使用	36V、纳安级电流、两输入电压监视器

部分模型	产品周期	描述
LTC2974	推荐新设计使用	具有精确输出电流的4通道PMBus电源系统管理器
LTC2960	推荐新设计使用	36V、纳安级电流、两输入电压监视器

工具及仿真模型

LTspice 1

LT1959 - Step-Down (Buck) Regulators

LTspice中提供以下器件型号：

LT1959

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。

评估套件

LT1959CS8 | 4.5A开关、500kHz降压稳压器，5V 至 15VIN， 1.8VOUT (4A)

立即购买更多内容

产品详情

DC355A：LT1959 4.5A、500kHz降压开关稳压器演示板。

资料

DC355A - Design File
857.00K

DC355A - Schematic
105.00K

DC355A - Demo Manual
329.00K

LT1959CR | 4.5A开关、500kHz降压稳压器，5V至 15VIN，1.8VOUT (4A)

立即购买更多内容

产品详情

DC356A：LT1959 4.5A、500kHz降压开关稳压器演示板。

资料

DC356A - Demo Manual
329.00K

DC356A - Schematic
103.00K

DC356A - Design File
477.00K

参考电路

查看参考设计详情

特性和优点

Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
Our reference designs are supported by an intuitive design tool set and IP
Our team can provide designs for quick prototypes that can speed time to market in the most complex applications

使用部分

查看参考设计详情

特性和优点

Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
Our reference designs are supported by an intuitive design tool set and IP
Our team can provide designs for quick prototypes that can speed time to market in the most complex applications