Allicdata Part #: | 296-24782-2-ND |
Manufacturer Part#: |
TPS7A4501KTTR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG LIN POS ADJ 1.5A DDPAK |
More Detail: | Linear Voltage Regulator IC Positive Adjustable 1 ... |
DataSheet: | TPS7A4501KTTR Datasheet/PDF |
Quantity: | 17000 |
Current - Output: | 1.5A |
Base Part Number: | TPS7A4501 |
Supplier Device Package: | DDPAK/TO-263-5 |
Package / Case: | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C |
Protection Features: | Over Current, Over Temperature, Reverse Polarity |
Control Features: | Enable |
PSRR: | 68dB (120Hz) |
Current - Supply (Max): | 90mA |
Current - Quiescent (Iq): | 1.5mA |
Series: | -- |
Voltage Dropout (Max): | 0.45V @ 1.5A |
Voltage - Output (Max): | 20V |
Voltage - Output (Min/Fixed): | 1.21V |
Voltage - Input (Max): | 20V |
Number of Regulators: | 1 |
Output Type: | Adjustable |
Output Configuration: | Positive |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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Introduction
The TPS7A4501KTTR is a low-noise, high-current, low-dropout precision linear regulator from Texas Instruments. It is a two-terminal, adjustable output voltage device suitable for a wide range of applications in automotive, industrial, and consumer markets. Its capabilities include extended temperature range operation, short-circuit protection, and over-voltage protection. This device is especially suitable for automotive and industrial applications where robust operation in harsh environment is required.
General Description
The TPS7A4501KTTR is a monolithic low-dropout voltage regulators with an adjustable output voltage range of 1.2V to 5.5V with an accuracy of ±1.5% (max). Its circuit configuration provides excellent transient response and extremely low output noise regulated core supply. This device provides a low dropout voltage, low noise, and an adjustable voltage, with a wide range of features and specialty functions suitable for automotive and industrial applications. With an internal current limiting circuit, the device can provide both steady-state and in-rush current protection, allowing for the use of the device in critical applications where a reliable and robust voltage regulator is needed. Additionally, the device has an overtemperature protection and over-voltage protection feature to protect from any surge or spike.
Features and Benefits
- High precision reference voltage accuracy ±1.5% (max)
- Low-noise and high-current capabilities
- Low dropout voltage
- Internal short-circuit protection
- Overtemperature protection
- Overvoltage protection
- Wide range of features and specialty functions
- Robust operation in harsh environment
Applications
The TPS7A4501KTTR is suitable for a wide range of applications in automotive, industrial, and consumer markets. Its applications include:
- Automotive electronics
- Industrial electronics
- Consumer electronics
- Battery-driven systems
- Aircrafts and motor sports applications
Working Principle
The working principle of the TPS7A4501KTTR is based on the LT1114, which is a high precision integrated linear regulator. This device is designed to provide a regulated output voltage with excellent long-term stability and very low noise. The voltage regulator IC operates by sensing the output voltage (Vout) relative to the internal reference voltage (VREF). When the output exceeds the set voltage, the regulator reduces the output current by increasing the absolute resistance across the series regulator. This reduces the output current until the desired voltage is reached.
The device also contains an output current limit circuitry as an added protection measure against overloads. If the output is shorted or overloaded, the voltage regulator will automatically reduce the output current to a safe value for the circuit. This prevents damage to the device and helps ensure the output voltage is kept at a safe level.
The device also contains a thermal limiting feature which helps protect the device from operating at temperatures beyond the specified temperature range. This feature prevents damage to the device if it is exposed to extreme temperature conditions.
Conclusion
The TPS7A4501KTTR is a low-noise, high-current, low-dropout precision linear regulator from Texas Instruments. It has a wide range of features, specialty functions, and protection mechanisms suitable for automotive, industrial, and consumer applications. The device has excellent long-term stability and very low noise, with an adjustable output voltage range of 1.2V to 5.5V and an accuracy of ±1.5% (max). Additionally, it offers short-circuit protection, over-temperature protection, and overload protection, making it suitable for critical applications where a reliable and robust voltage regulator is needed.
The specific data is subject to PDF, and the above content is for reference
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