TPS78330DDCT
Low-dropout voltage regulators with 3V output and 150mA capacity
Manufacturer： ti
series introduction
# TPS78330DDCT Product Series Introduction
## 1. Overview
The TPS78330DDCT 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, protecting them from voltage fluctuations and ensuring proper operation.
## 2. Key Features
### 2.1 Low Dropout Voltage
One of the standout features of the TPS78330DDCT is its low dropout voltage. Dropout voltage is the minimum difference between the input voltage and the output voltage required for the regulator to maintain a stable output. With a low dropout voltage, this regulator can operate efficiently even when the input voltage is only slightly higher than the desired output voltage. For example, in battery - powered applications where the battery voltage gradually decreases over time, the low dropout characteristic allows the regulator to continue providing a stable output until the battery voltage drops to a very low level, thus extending the battery life.
### 2.2 High Output Accuracy
The TPS78330DDCT offers high output voltage accuracy. It can precisely regulate the output voltage to a specific value, in this case, 3.3V. This high accuracy is essential for applications that require a stable and well - defined power supply, such as microcontrollers, digital signal processors (DSPs), and other sensitive integrated circuits. Even in the presence of variations in the input voltage, load current, and temperature, the regulator can maintain the output voltage within a tight tolerance range, ensuring the reliable operation of the connected devices.
### 2.3 Low Quiescent Current
Quiescent current is the current consumed by the regulator when there is no load or a very light load connected. The TPS78330DDCT has a low quiescent current, which is beneficial for battery - powered and energy - efficient applications. By consuming less current during standby or low - load conditions, it helps to conserve battery power and reduce overall power consumption, making it suitable for portable devices such as smartphones, tablets, and wearable electronics.
### 2.4 Thermal Shutdown and Current Limit Protection
To ensure the safety and reliability of the regulator and the connected circuits, the TPS78330DDCT is equipped with thermal shutdown and current limit protection features. The thermal shutdown feature automatically turns off the regulator when the temperature exceeds a certain threshold, preventing damage due to overheating. The current limit protection restricts the output current to a safe level, protecting the regulator and the load from excessive current flow, which could otherwise cause damage to the components.
## 3. Package and Pin Configuration
The TPS78330DDCT comes in a small - outline package, specifically the DCT package. This package offers several advantages, including a compact size, which is suitable for space - constrained applications. The pin configuration of the TPS78330DDCT is designed for easy integration into electronic circuits. It typically has pins for input voltage (VIN), output voltage (VOUT), ground (GND), and other control or feedback pins. The clear and well - defined pin layout simplifies the circuit design process and allows for efficient PCB layout.
## 4. Applications
### 4.1 Portable Electronics
As mentioned earlier, the low quiescent current and low dropout voltage make the TPS78330DDCT an ideal choice for portable electronics. In devices such as mobile phones, it can provide a stable 3.3V power supply to the various components, including the processor, memory, and sensors. The compact package also helps in reducing the overall size of the device, which is a key requirement in the portable electronics market.
### 4.2 Industrial Control Systems
In industrial control systems, where reliability and
Images for reference
TSOT-23-5
Image Preview
Image Preview