XC6221B302
Compact 3V LDO voltage regulators for high-speed, low-noise applications
Manufacturer： torex
series introduction
# Introduction to the XC6221B302 Product Series
## 1. Overview
The XC6221B302 product series is a remarkable line of voltage regulators that offers high - performance and reliable power management solutions. These regulators are designed to meet the diverse power requirements of a wide range of electronic devices, from portable consumer electronics to industrial control systems. With their advanced features and excellent electrical characteristics, the XC6221B302 series stands out in the market as a top - choice component for power - sensitive applications.
## 2. Key Features
### 2.1 Low Dropout Voltage
One of the most significant features of the XC6221B302 series is its low dropout voltage. Dropout voltage is the minimum voltage difference between the input and output voltages required for the regulator to maintain a stable output. In this series, the low dropout voltage ensures efficient power conversion, especially when the input voltage is close to the desired output voltage. This is particularly beneficial in battery - powered devices, as it helps to extend the battery life by reducing power dissipation.
### 2.2 High Output Voltage Accuracy
The XC6221B302 regulators offer high output voltage accuracy. They can maintain a stable output voltage within a very narrow tolerance range, typically ±1%. This high accuracy is crucial in applications where precise voltage levels are required for the proper functioning of sensitive components, such as microcontrollers, sensors, and RF modules.
### 2.3 Low Quiescent Current
Quiescent current is the current consumed by the regulator when there is no load or a very light load. The XC6221B302 series has a very low quiescent current, which is ideal for battery - operated devices. A low quiescent current means that the regulator consumes less power during standby or idle modes, further contributing to the overall energy efficiency of the system.
### 2.4 Built - in Protection Features
This product series is equipped with several built - in protection features to ensure the safety and reliability of the connected devices. Over - current protection (OCP) limits the output current to a safe level in case of a short - circuit or overload condition, preventing damage to the regulator and the load. Thermal shutdown protection (TSD) automatically turns off the regulator when the temperature exceeds a certain threshold, protecting it from overheating.
### 2.5 Wide Input and Output Voltage Ranges
The XC6221B302 series supports a wide input voltage range, which allows it to be used in various power supply scenarios. The output voltage can also be set to different values within a specified range, providing flexibility for different application requirements.
## 3. Applications
### 3.1 Portable Consumer Electronics
In portable devices such as smartphones, tablets, smartwatches, and wireless earbuds, the XC6221B302 series is an excellent choice for power management. Its low dropout voltage, low quiescent current, and high output voltage accuracy help to optimize battery life and ensure stable power supply to the internal components, enabling smooth operation and high - performance features.
### 3.2 Industrial Control Systems
Industrial control systems often require precise and reliable power sources for sensors, actuators, and control modules. The XC6221B302 regulators can provide the necessary stable voltage with high accuracy and protection features, ensuring the proper functioning of these critical components in harsh industrial environments.
### 3.3 IoT Devices
Internet of Things (IoT) devices are typically battery - powered and require long - lasting power solutions. The low power consumption and high efficiency of the XC6221B302 series make it well - suited for IoT applications, such as smart home sensors, environmental monitors, and asset tracking devices.
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Images for reference
USPN-4
USP-4
SOT25