TPS70348
Dual-output LDO voltage regulators for stable power supply
Manufacturer： ['rochester', 'ti']
series introduction
# TPS70348 Product Series Introduction
## 1. Overview
The TPS70348 product series is a highly versatile and efficient line of voltage regulators designed to meet the demanding power management requirements of a wide range of electronic applications. These regulators are engineered to provide stable and reliable power supply solutions, ensuring the proper functioning of various components in complex electronic systems.
## 2. Key Features
### 2.1 Low Dropout Voltage
One of the standout features of the TPS70348 series is its extremely low dropout voltage. This means that the regulator can maintain a stable output voltage even when the input - output voltage differential is very small. 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 consistent output voltage until the battery is nearly depleted. This extends the usable life of the battery and enhances the overall efficiency of the system.
### 2.2 High Output Accuracy
The TPS70348 regulators offer high output voltage accuracy. They are capable of maintaining the output voltage within a tight tolerance band, typically ±1% or better. This high accuracy is crucial in applications where precise voltage levels are required for the proper operation of sensitive components such as microcontrollers, analog - to - digital converters (ADCs), and radio frequency (RF) circuits. By providing a stable and accurate output voltage, the TPS70348 helps to minimize errors and improve the performance of these components.
### 2.3 Low Quiescent Current
In battery - powered and energy - sensitive applications, minimizing power consumption is of utmost importance. The TPS70348 series features a low quiescent current, which is the current drawn by the regulator when there is no load or a very light load. This low quiescent current helps to conserve battery power and extend the battery life, making the regulators ideal for portable devices such as smartphones, tablets, and wearable electronics.
### 2.4 Adjustable Output Voltage
Many models in the TPS70348 series offer adjustable output voltage capabilities. This allows designers to customize the output voltage according to the specific requirements of their applications. By using external resistors, the output voltage can be set within a certain range, providing flexibility in powering different types of components with varying voltage needs.
### 2.5 Thermal Protection
To ensure the reliability and safety of the regulators, the TPS70348 series is equipped with thermal protection features. In case of excessive heat generation due to high power dissipation or abnormal operating conditions, the thermal protection circuitry will automatically shut down the regulator to prevent damage. Once the temperature returns to a safe level, the regulator will resume normal operation.
### 2.6 Short - Circuit Protection
Short - circuit protection is another important feature of the TPS70348 series. If the output of the regulator is accidentally short - circuited to ground or another low - impedance source, the regulator will limit the output current to a safe level, preventing damage to the regulator and other components in the system.
## 3. Applications
### 3.1 Portable Electronics
The combination of low dropout voltage, low quiescent current, and high output accuracy makes the TPS70348 series well - suited for portable electronic devices. In smartphones, for example, these regulators can be used to power the processor, memory, and other critical components, ensuring stable operation while conserving battery power. In wearable devices such as smartwatches and fitness trackers, the small form factor and low power consumption of the TPS70348 regulators are highly advantageous.
### 3.2 Industrial Automation
In industrial automation systems, where reliable power supply is essential for the proper functioning of sensors, actuators, and control circuits,
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24-TSSOP Exposed Pad
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