TPS75933KTTT
High-current 3.3V LDO voltage regulators with fast transient response
Manufacturer： ['rochester', 'ti']
series introduction
# Introduction to the TPS75933KTTT Product Series
## 1. Overview
The TPS75933KTTT belongs to a high - performance voltage regulator product series designed 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 TPS75933KTTT is specifically engineered to meet the demanding power requirements of modern electronic systems, offering a combination of precision, efficiency, and flexibility.
## 2. Key Features
### 2.1 Output Voltage Regulation
- **Fixed Output Voltage**: The TPS75933KTTT provides a fixed output voltage of 3.3V. This precise output voltage is ideal for powering a wide range of integrated circuits (ICs), microcontrollers, and other digital components that require a stable 3.3V power source. The tight voltage regulation ensures that the connected devices operate within their specified voltage tolerance, minimizing the risk of malfunctions due to voltage fluctuations.
- **Low Dropout Voltage**: It has a low dropout voltage, which means it can maintain a stable output voltage even when the input - output voltage differential is small. This feature is particularly useful in battery - powered applications where the battery voltage gradually decreases over time. With a low dropout voltage, the TPS75933KTTT can continue to provide a regulated 3.3V output until the battery voltage drops to a very low level, effectively extending the battery life.
### 2.2 High - Current Capability
- **Adequate Output Current**: The device is capable of delivering a maximum output current of up to several hundred milliamperes. This high - current capability makes it suitable for powering multiple components simultaneously or components with relatively high power consumption, such as high - speed microprocessors or power - hungry sensors.
### 2.3 Low Quiescent Current
- **Power Efficiency**: The TPS75933KTTT has a low quiescent current, which is the current consumed by the regulator when there is no load or a very light load. A low quiescent current is essential for battery - powered applications as it helps to conserve battery power. Even during standby or idle modes, the regulator consumes minimal power, ensuring that the overall power consumption of the system remains low.
### 2.4 Thermal Performance
- **Thermal Protection**: The product is equipped with thermal protection features. In case of excessive heat generation due to high load currents or high ambient temperatures, the thermal protection circuitry will automatically shut down the regulator to prevent damage. Once the temperature returns to a safe level, the regulator can resume normal operation. This ensures the long - term reliability and durability of the device.
### 2.5 Package and Pinout
- **Small - Size Package**: The TPS75933KTTT comes in a compact and industry - standard package. The small size makes it suitable for use in space - constrained applications, such as portable devices, wearables, and small - form - factor circuit boards. The well - defined pinout simplifies the PCB layout design, allowing for easy integration into existing or new electronic systems.
## 3. Applications
### 3.1 Portable Electronic Devices
- **Smartphones and Tablets**: In smartphones and tablets, the TPS75933KTTT can be used to power various subsystems, such as the display driver, audio codec, and sensor modules. Its low dropout voltage and low quiescent current help to optimize the battery life of these devices, while the stable 3.3V output ensures the proper functioning of the components.
- **Wearable Devices**: Wearable devices like smartwatches and fitness trackers require a small - size and power - efficient voltage regulator
Images for reference
D2PAK5
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