規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 20V |
| VoltageDropout(Max) | 0.45V @ 1.5A |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 1.5 mA |
| Current-Supply(Max) | 90 mA |
| PSRR | 68dB (120Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-223-6 |
概述
Description
The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a stable and precise output voltage with a high current output capability of up to 1.5 A. This LDO is particularly suitable for applications requiring noise-sensitive power supplies, such as RF and analog circuits, due to its low noise performance and high power supply rejection ratio (PSRR).
Key features of the TPS7A4501DCQR include a wide input voltage range, typically from 3 V to 20 V, and an adjustable output voltage range from 1.21 V to 20 V. It is equipped with thermal shutdown and current limit protection to enhance reliability and prevent damage under fault conditions. The device comes in a small, thermally efficient TO-263 (DCQ) package, allowing for easy integration into various circuit designs.
Overall, the TPS7A4501DCQR is a versatile and robust solution for powering sensitive electronic components, ensuring stable operation and efficient performance in various applications.
Key features of the TPS7A4501DCQR include a wide input voltage range, typically from 3 V to 20 V, and an adjustable output voltage range from 1.21 V to 20 V. It is equipped with thermal shutdown and current limit protection to enhance reliability and prevent damage under fault conditions. The device comes in a small, thermally efficient TO-263 (DCQ) package, allowing for easy integration into various circuit designs.
Overall, the TPS7A4501DCQR is a versatile and robust solution for powering sensitive electronic components, ensuring stable operation and efficient performance in various applications.
Equivalent
The TPS7A4501DCQR is a low dropout (LDO) voltage regulator from Texas Instruments. Equivalent products include:
1. Analog Devices: ADP3338 series
2. Microchip Technology: MCP1826 series
3. ON Semiconductor: NCP1117 series
4. STMicroelectronics: LD1117 series
5. Rohm Semiconductor: BA50DD0T series
These are similar LDO regulators, but specifications like output current, voltage, and package options should be checked for compatibility with specific requirements.
1. Analog Devices: ADP3338 series
2. Microchip Technology: MCP1826 series
3. ON Semiconductor: NCP1117 series
4. STMicroelectronics: LD1117 series
5. Rohm Semiconductor: BA50DD0T series
These are similar LDO regulators, but specifications like output current, voltage, and package options should be checked for compatibility with specific requirements.
Features
The TPS7A4501DCQR is a high-performance low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Output Current: Capable of delivering up to 1.5A of output current.
2. Low Dropout Voltage: Designed with a low dropout voltage, making it efficient for battery-powered applications.
3. Wide Input Voltage Range: Operates over a wide input voltage range, typically from 1.5V up to 20V.
4. Adjustable Output Voltage: The output voltage is adjustable via external resistors, providing flexibility for various applications.
5. Low Noise and High PSRR: Exhibits low output noise and high Power Supply Rejection Ratio (PSRR), which is ideal for powering noise-sensitive components.
6. Current Limit and Thermal Protection: Includes overcurrent and thermal shutdown protection to enhance reliability.
7. Stability with Ceramic Capacitors: Stable operation with ceramic output capacitors, helping to reduce board space and cost.
8. Package: Available in a small, thermally enhanced package that supports higher power dissipation.
These features make the TPS7A4501DCQR suitable for applications requiring precise voltage regulation and high efficiency.
1. Output Current: Capable of delivering up to 1.5A of output current.
2. Low Dropout Voltage: Designed with a low dropout voltage, making it efficient for battery-powered applications.
3. Wide Input Voltage Range: Operates over a wide input voltage range, typically from 1.5V up to 20V.
4. Adjustable Output Voltage: The output voltage is adjustable via external resistors, providing flexibility for various applications.
5. Low Noise and High PSRR: Exhibits low output noise and high Power Supply Rejection Ratio (PSRR), which is ideal for powering noise-sensitive components.
6. Current Limit and Thermal Protection: Includes overcurrent and thermal shutdown protection to enhance reliability.
7. Stability with Ceramic Capacitors: Stable operation with ceramic output capacitors, helping to reduce board space and cost.
8. Package: Available in a small, thermally enhanced package that supports higher power dissipation.
These features make the TPS7A4501DCQR suitable for applications requiring precise voltage regulation and high efficiency.
Pinout
The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. IN: Input voltage pin where the input supply is connected.
2. GND: Ground pin for the IC.
3. OUT: Output voltage pin where the regulated voltage is provided.
4. FB (Feedback): Used for adjusting the output voltage by connecting to a resistor divider.
5. NC (No Connect): Not internally connected; may be left open or connected to ground.
6. NR/SS (Noise Reduction/Soft Start): Connect a capacitor here to reduce output noise or control startup behavior.
7. EN (Enable): Used to turn the regulator on or off; active high.
8. NC (No Connect): Another pin that is not internally connected.
The TPS7A4501 offers features like low noise, high PSRR, and up to 1.5A output current, making it suitable for high-performance applications.
1. IN: Input voltage pin where the input supply is connected.
2. GND: Ground pin for the IC.
3. OUT: Output voltage pin where the regulated voltage is provided.
4. FB (Feedback): Used for adjusting the output voltage by connecting to a resistor divider.
5. NC (No Connect): Not internally connected; may be left open or connected to ground.
6. NR/SS (Noise Reduction/Soft Start): Connect a capacitor here to reduce output noise or control startup behavior.
7. EN (Enable): Used to turn the regulator on or off; active high.
8. NC (No Connect): Another pin that is not internally connected.
The TPS7A4501 offers features like low noise, high PSRR, and up to 1.5A output current, making it suitable for high-performance applications.
Manufacturer
The TPS7A4501DCQR is manufactured by Texas Instruments (TI), which is an American technology company. TI is a global leader in the design and manufacturing of semiconductors and various integrated circuits, which are used in a wide array of electronic applications. The company has a diverse product portfolio that includes analog chips, embedded processors, and digital light processing (DLP) technology, among others. Founded in 1930 and headquartered in Dallas, Texas, TI has a long-standing reputation for innovation and development in the electronics industry. Their products are widely used in consumer electronics, automotive systems, industrial equipment, telecommunications, and more.
Application
The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator primarily used in applications requiring precise voltage regulation and low noise. Key application areas include:
1. Industrial Instrumentation: Provides stable power for sensitive measurement devices.
2. Telecommunications: Supports stable voltage supplies for communication equipment.
3. Automotive Electronics: Used in systems requiring high reliability and noise immunity.
4. Consumer Electronics: Powers audio and video devices for improved performance.
5. Medical Devices: Ensures reliable operation of battery-powered medical equipment.
6. Test and Measurement Equipment: Supplies low-noise voltage for accurate readings.
Its features like low dropout voltage, high accuracy, and noise reduction make it suitable for these applications.
1. Industrial Instrumentation: Provides stable power for sensitive measurement devices.
2. Telecommunications: Supports stable voltage supplies for communication equipment.
3. Automotive Electronics: Used in systems requiring high reliability and noise immunity.
4. Consumer Electronics: Powers audio and video devices for improved performance.
5. Medical Devices: Ensures reliable operation of battery-powered medical equipment.
6. Test and Measurement Equipment: Supplies low-noise voltage for accurate readings.
Its features like low dropout voltage, high accuracy, and noise reduction make it suitable for these applications.
Package
The TPS7A4501DCQR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is provided in a DCT (SOT-223) package, which is a small-outline package with three leads commonly used for surface-mount applications.
