LTM4639

推荐新设计使用

低 V_IN、20A、DC/DC μModule 降压型稳压器

数据手册产品选型表

产品模型: 3

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产品详情

完整的 20A 开关模式电源
2.375V 至 7V 输入电压范围 (V_IN < 4.5V，需要 C_PWR 偏置)
0.6V 至 5.5V 输出电压范围
±1.5% 的最大总 DC 输出电压误差 (-40°C 至 125°C)
差分远端采样放大器用于精准稳压 (V_OUT≤ 3.3V)
电流模式控制 / 快速瞬态响应
并联多相均流 (高达 80A)
频率同步
可选的脉冲跳跃或突发模式 (Burst Mode^®) 操作
软起动 / 电压跟踪
效率高达 88% (3.3V_IN、1.5V_OUT)
过流折返保护
输出过压保护
内部温度监视器
过热保护
15mm x 15mm x 4.92mm BGA 封装

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
LTM4639EY#PBF	133-Lead BGA (15mm x 15mm x 4.92mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTM4639IY	133-Lead BGA (15mm x 15mm x 4.92mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTM4639IY#PBF	133-Lead BGA (15mm x 15mm x 4.92mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

产品型号	产品生命周期	PCN

7月 3, 2023 - 23_0094 LTM4637 and LTM4639 - FET and SUBSTRATE (BGA Package ONLY)
		PCN23_0094_Form Material_Report Qualification Results Summary
LTM4639EY#PBF	量产
LTM4639IY	量产
LTM4639IY#PBF	量产
7月 28, 2021 - 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
LTM4639EY#PBF	量产
LTM4639IY	量产
LTM4639IY#PBF	量产
7月 21, 2021 - 21_0159 Ink Mark to Laser Mark Conversion for µModule
		PCN21_0159_Form Material_Report Delta Qualification Matrix
LTM4639EY#PBF	量产
LTM4639IY	量产
LTM4639IY#PBF	量产
9月 28, 2020 - 20_0301 LTM4639- Notification of Qualification of New Mold Compound and Substrate Change
		PCN20_0301_Form Material_Report Qualification Results Summary
LTM4639EY#PBF	量产
LTM4639IY	量产
LTM4639IY#PBF	量产
2月 28, 2020 - 20_0123 Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia
		PCN20_0123_Form Material_Report Test Correlation Report Other Qualification Results Summary
LTM4639EY#PBF	量产
LTM4639IY	量产
LTM4639IY#PBF	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
数字电源系统管理器 1
LTC2975	推荐新设计使用	具准确输入电流和能量测量功能的 4 通道 PMBus 电源系统管理器

工具及仿真模型

LTspice 2

LTspice中提供以下器件型号：

LTM4639

LTpowerCAD 1

LTM4639 Project - Low Vin, 20A Step-Down μModule Regulator (2.4-7V to 1.8V @ 20A)

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

LTM4639 Demo Board |μModule Buck, 2.375V ≤ VIN ≤ 7V, VOUT = 1.0V/1.2V/1.5V/1.8V @ 20A

立即购买更多内容

产品详情

Demonstration circuit 2166A features the LTM4639EY, a 20A high efficiency, switch mode step-down power μModule^® regulator. The input voltage range is from 2.375V to 7V. The output voltage range is 0.6V to 5.5V. Derating is necessary for certain V_IN, V_OUT, frequency and thermal conditions. The DC2166A offers the TRACK/SS pin allowing the user to program output tracking or soft-start period. The board operates in continuous conduction mode in heavy load conditions. For high efficiency at low load currents, the MODE jumper (JP3) selects pulse-skipping mode for noise sensitive applications or Burst Mode^® operation in less noise sensitive applications. There is an on board boost circuit using LT1935 to provide control power to LTM4639 when V_IN is less than 4.5V. LTM4639 has on board diode connected PNP transistors to monitor its internal temperature. A temperature sensor LTC2997 converts the internal temperature to an analog voltage output. The LTM4639 data sheet must be read in conjunction with this demo manual prior to working on or modifying demo circuit DC2166A.

资料

DC2166A - Schematic
48.00K

DC2166A - Design Files
1.00M

DC2166A - Demo Manual
867.00K

LTM4639

产品详情

参考资料

数据手册 1

可靠性数据 1

用户手册 1

新闻 1

产品选型卡 2

硬件生态系统

工具及仿真模型

LTspice 2

LTspice中提供以下器件型号：

LTpowerCAD 1

评估套件

产品详情

资料

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