LT1185: 5V、3A稳压器具有 3.5A 电流限制
详情介绍
概览
产品详情
LT3480 是一款可调频率 (200kHz 至 2.4MHz) 单片式降压型开关稳压器，可接受高达 36V (最大 60V) 的输入电压。一个高效率 0.25Ω 开关与一个升压肖特基二极管以及必需的振荡器、控制和逻辑电路一起被集成在芯片上。电流模式拓扑结构用于实现快速瞬态响应和上佳的环路稳定性。低纹波突发模式操作可在低输出电流条件下保持高效率，并能够在典型应用中将输出纹波抑制在 15mV 以下。此外，LT3480 还能通过在 VOUT 高于 3V 时从输出吸收偏置电流来进一步提升低输出电流效率。
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.
