TPS78230DRVT
Ultra-low quiescent current LDO regulators for efficient voltage control
Manufacturer： ['analog-devices', 'ti']
series introduction
# TPS78230DRVT Product Series Introduction
## 1. Overview
The TPS78230DRVT belongs to a high - performance voltage regulator product series offered by Texas Instruments. Voltage regulators are crucial components in electronic circuits as they ensure a stable and reliable power supply to various electronic devices. The TPS78230DRVT is specifically designed to meet the demanding power requirements of modern electronic systems, providing a precise and regulated output voltage in a wide range of applications.
## 2. Key Features
### 2.1 Output Voltage Regulation
- **Precision Output**: The TPS78230DRVT is capable of providing a fixed output voltage of 3.0V with high precision. This accuracy is essential for powering sensitive electronic components such as microcontrollers, digital signal processors (DSPs), and analog - to - digital converters (ADCs). A stable output voltage helps these components operate within their specified voltage ranges, ensuring optimal performance and reducing the risk of errors or malfunctions.
- **Low Dropout Voltage**: It has a low dropout voltage, which means it can maintain a regulated output voltage even when the input voltage is only slightly higher than the output voltage. For example, in battery - powered applications, as the battery voltage gradually decreases over time, the low dropout characteristic of the TPS78230DRVT allows it to continue providing a stable 3.0V output until the battery voltage drops to a very low level. This extends the battery life and enhances the overall efficiency of the system.
### 2.2 Low Quiescent Current
- **Power Efficiency**: The device features a low quiescent current, which is the current consumed by the regulator when there is no load or a very light load connected. This low quiescent current is particularly important in battery - powered or energy - sensitive applications. By minimizing the power consumption of the regulator itself, more power can be delivered to the load, thereby increasing the overall energy efficiency of the system and extending the battery runtime.
### 2.3 Fast Transient Response
- **Load Variation Handling**: In real - world applications, the load current can change rapidly. The TPS78230DRVT has a fast transient response, which enables it to quickly adjust the output voltage in response to sudden changes in the load current. For instance, when a microcontroller switches from a low - power standby mode to a high - speed operation mode, the load current can increase significantly. The fast transient response of the regulator ensures that the output voltage remains stable during these transitions, preventing voltage dips or spikes that could damage the load or cause it to malfunction.
### 2.4 Thermal Protection
- **Reliability**: The TPS78230DRVT is equipped with thermal protection circuitry. In case the device temperature rises above a certain threshold due to excessive power dissipation or high ambient temperature, the thermal protection mechanism will automatically reduce the output current or shut down the regulator to prevent overheating. This protects the device from damage and ensures its long - term reliability in various operating conditions.
## 3. Package and Pin Configuration
- **Package Type**: The TPS78230DRVT comes in a small - outline package (SOT - 23). The SOT - 23 package is widely used in the electronics industry due to its compact size, which makes it suitable for space - constrained applications such as portable devices, wearables, and small - form - factor circuit boards.
- **Pin Functionality**: The device has a well - defined pin configuration. The input pin (VIN) is used to connect the unregulated input voltage source, typically a battery or a power supply. The output pin (VOUT) provides the regulated 3.0V output voltage to the load. The enable
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