LM25574MTX
Compact 16-pin TSSOP DC-DC step-down switching regulators for voltage conversion
Manufacturer： ['national-semiconductor', 'ti']
series introduction
# LM25574MTX Product Series Introduction
## 1. Overview
The LM25574MTX is a highly versatile and efficient product series within the realm of power management integrated circuits (PMICs). Designed by Texas Instruments, this series is engineered to meet the demanding power requirements of a wide range of electronic applications. With its advanced features and robust performance, the LM25574MTX has become a popular choice among designers looking for reliable and cost - effective power solutions.
## 2. Key Features
### 2.1 High - Efficiency Operation
The LM25574MTX series is known for its high - efficiency power conversion. It utilizes a synchronous buck topology, which significantly reduces power losses compared to traditional non - synchronous designs. This high efficiency not only helps in minimizing heat dissipation but also extends the battery life in portable applications. For example, in battery - powered devices such as handheld medical monitors or wireless sensors, the reduced power consumption can lead to longer operating times between charges.
### 2.2 Wide Input Voltage Range
One of the standout features of the LM25574MTX is its wide input voltage range. It can accept input voltages from [minimum input voltage] to [maximum input voltage]. This wide range makes it suitable for a variety of power sources, including batteries, wall adapters, and automotive power systems. In automotive applications, where the voltage can vary significantly due to engine start - stop cycles and electrical load changes, the LM25574MTX can maintain stable output voltage.
### 2.3 Adjustable Output Voltage
The output voltage of the LM25574MTX can be easily adjusted using external resistors. This flexibility allows designers to tailor the power supply to the specific requirements of their application. Whether it's powering a low - voltage microcontroller or a higher - voltage analog circuit, the adjustable output voltage feature provides a customizable solution. For instance, in a printed circuit board (PCB) design for a consumer electronics device, the designer can set the output voltage to match the voltage requirements of different components on the board.
### 2.4 Integrated Protection Features
To ensure the reliability and safety of the system, the LM25574MTX series comes with a comprehensive set of integrated protection features. These include over - current protection (OCP), over - voltage protection (OVP), and thermal shutdown. Over - current protection prevents the device from being damaged in case of a short - circuit or excessive load current. Over - voltage protection safeguards the connected components from voltage spikes, while thermal shutdown protects the IC from overheating. In industrial control systems, where reliability is crucial, these protection features help in preventing system failures and reducing maintenance costs.
### 2.5 Low Quiescent Current
The LM25574MTX has a low quiescent current, which is the current consumed by the device when there is no load or a very light load. This low quiescent current is particularly beneficial in battery - powered applications where power conservation is a top priority. For example, in a wearable device that spends most of its time in standby mode, the low quiescent current helps in conserving battery power and extending the device's battery life.
## 3. Applications
### 3.1 Consumer Electronics
In consumer electronics, the LM25574MTX can be used in a variety of devices such as smartphones, tablets, and smartwatches. It can provide a stable power supply to the different components of these devices, including the processor, display, and wireless communication modules. The high - efficiency operation and adjustable output voltage make it an ideal choice for powering the sensitive and power - hungry components in modern consumer electronics.
### 3.2 Industrial Automation
Industrial automation systems require reliable and efficient power supplies to ensure the
Images for reference
16-TSSOP
Image Preview
Image Preview