LM2575T-ADJ屬于集成電路（IC）的DCDC開關(guān)穩(wěn)壓器。由安森美半導(dǎo)體公司制造生產(chǎn)的LM2575T-ADJ穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器DC-DC 開關(guān)穩(wěn)壓器 PMIC（電源管理集成電路）產(chǎn)品族中的產(chǎn)品是元器件級設(shè)備，用于需要穩(wěn)定 DC 輸入電壓和/或?qū)⑵滢D(zhuǎn)換為不同幅度的輸出電壓的應(yīng)用。這些器件與稱為“控制器”PMIC 的類似產(chǎn)品的區(qū)別在于集成了主開關(guān)元件，設(shè)備提供的電力會通過該元件。

1.0 A, Adjustable Output Voltage, Step?Down Switching Regulator

The LM2575 series of regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step?down switching regulator (buck converter). All circuits of this series are capable of driving a 1.0 A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5.0 V, 12 V, 15 V, and an adjustable output version.

特性 Features

? 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions

? Adjustable Version Output Voltage Range of 1.23 V to 37 V ±4 Maximum Over Line and Load Conditions

? Guaranteed 1.0 A Output Current

? Wide Input Voltage Range: 4.75 V to 40 V

? Requires Only 4 External Components

? 52 kHz Fixed Frequency Internal Oscillator

? TTL Shutdown Capability, Low Power Standby Mode

? High Efficiency

? Uses Readily Available Standard Inductors

? Thermal Shutdown and Current Limit Protection

? Moisture Sensitivity Level (MSL) Equals 1

? Pb?Free Packages are Available*

Applications

? Simple and High?Efficiency Step?Down (Buck) Regulators

? Efficient Pre?Regulator for Linear Regulators

? On?Card Switching Regulators

? Positive to Negative Converters (Buck?Boost)

? Negative Step?Up Converters

? Power Supply for Battery Chargers