XC9140A331MR-G
Compact PFM-controlled step-up DC-DC voltage regulators
Manufacturer： torex
series introduction
# XC9140A331MR - G Product Series Introduction
## 1. Overview
The XC9140A331MR - G is a remarkable product series that belongs to the realm of advanced electronic components. Specifically designed to meet the diverse and demanding requirements of modern electronic systems, this series offers a high - performance and reliable solution for a wide range of applications.
## 2. Key Features
### 2.1 Voltage Regulation
- **Precision Output**: The XC9140A331MR - G provides a highly accurate output voltage. With a specified output voltage of 3.3V, it maintains a tight tolerance, ensuring that connected electronic devices receive a stable power supply. This precision is crucial for the proper functioning of sensitive components such as microcontrollers, sensors, and communication modules.
- **Low Dropout Voltage**: It has a low dropout voltage characteristic. This means that even when the input voltage is only slightly higher than the output voltage, the regulator can still maintain a stable output. For example, in battery - powered applications where the battery voltage gradually decreases over time, the low dropout feature allows the regulator to continue providing a stable 3.3V output until the battery voltage drops to a very low level, maximizing the battery's usable life.
### 2.2 Low Quiescent Current
- **Power Efficiency**: The series features a low quiescent current. Quiescent current is the current consumed by the regulator when there is no load or a very light load connected. In battery - operated devices, minimizing the quiescent current is essential for conserving power. The XC9140A331MR - G's low quiescent current ensures that the device consumes minimal power during standby or idle modes, thereby extending the battery life of portable electronics.
### 2.3 Thermal Performance
- **Over - Temperature Protection**: Built - in over - temperature protection circuitry safeguards the regulator from damage due to excessive heat. When the temperature of the device rises above a certain threshold, the protection mechanism kicks in and reduces the output current or shuts down the regulator temporarily. This feature not only protects the XC9140A331MR - G itself but also prevents potential damage to the connected electronic components.
- **Good Thermal Dissipation**: The package design of the XC9140A331MR - G is optimized for efficient thermal dissipation. It allows heat to be transferred away from the device quickly, ensuring that the regulator can operate within its specified temperature range even under high - load conditions.
### 2.4 Noise Reduction
- **Low Output Noise**: The regulator is engineered to produce low output noise. In applications where noise can interfere with the performance of sensitive analog or digital circuits, such as audio systems or high - speed data communication interfaces, the low output noise of the XC9140A331MR - G is a significant advantage. It helps to ensure clean and reliable signal transmission.
## 3. Package and Dimensions
The XC9140A331MR - G comes in a compact and industry - standard package. The small form factor makes it suitable for use in space - constrained applications, such as wearable devices, IoT sensors, and small - sized consumer electronics. The package is also designed for easy surface - mount assembly, which simplifies the manufacturing process and reduces production costs.
## 4. Applications
### 4.1 Consumer Electronics
- **Smartphones and Tablets**: In these devices, the XC9140A331MR - G can be used to power various subsystems, such as the display driver, camera module, and wireless communication chips. Its high - precision voltage regulation and low power consumption help to improve the overall performance and battery life of the device.
- **Wearable Devices**: Wear
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