应用与设计

LT3667 5V、3.3V 和 2.5V 降压型转换器具 100mA LDO 电流限制

详情介绍

概览

产品详情

5V to 12V Input, ±12V/0.4A Output SEPIC Converter

LT3757 / LT3757A 是一款宽输入电压范围、电流模式 DC/DC 控制器,该器件能够产生正输出电压或负输出电压。它可以配置为一个升压型、反激式、SEPIC 型或负输出转换器。LT3757 / LT3757A 从内部 7.2V 稳压电源来驱动一个低端外部 N 沟道功率 MOSFET。固定频率、电流模式架构在一个很宽的电源电压和输出电压范围内实现了稳定的操作。


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