应用与设计

DDR 存储器电源:3.3VIN,1.5V/±3A VTT (采用 2.5V 外部基准)

详情介绍

概览

产品详情

LT3514 包括 3 个降压型稳压器 (2A、1A、1A 输出电流)。该器件具有 3.2V 至 36V 的宽工作输入范围。一个片内升压型稳压器允许每个通道以高达 100% 的占空比运作。LT3514 设计用于最大限度地减少外部组件数目,并实现简单小巧的应用电路。

Triple Buck Regulator

LT3514 Start-Up and Shutdown Waveform. VIN (Top Trace) Is Ramped from OV Up to 8V and Then Back Down to 0V. The Other Three Traces Are the Output Voltages of All Three Channels

工具及仿真模型

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

LTspice