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TPS74401RGWT
+NomenclatureIC REG LINEAR POS ADJ 3A 20VQFN
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FabricantTexas Instruments
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Pièce fabricant #TPS74401RGWT
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Package VQFN-20
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En stock4150
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 3.6V |
| VoltageDropout(Max) | 0.24V @ 3A |
| Current-Output | 3A |
| PSRR | 73dB ~ 50dB (1kHz ~ 800kHz) |
| ControlFeatures | Enable, Power Good, Soft Start |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 20-VQFN Exposed Pad |
Présentation
Description
The TPS74401RGWT is a high-performance low-dropout (LDO) linear voltage regulator from Texas Instruments. It is designed for applications requiring low voltage, high current output, and precise regulation. This device can deliver up to 3A of output current with an input voltage range from 0.8V to 5.5V. The TPS74401RGWT features a low dropout voltage, typically around 225mV at full load, which enhances efficiency by minimizing power loss.
Key features include an adjustable output voltage range, programmable soft-start, and a power-good signal to indicate when the output is within regulation. It also offers excellent transient response, low noise, and stable operation with minimal external components. Additionally, it includes overcurrent protection and thermal shutdown to ensure reliability and safety in various applications.
The TPS74401RGWT is commonly used in applications like telecommunications, networking equipment, and high-performance processors where space, efficiency, and precise voltage regulation are critical. Its compact VQFN package makes it suitable for space-constrained designs.
Key features include an adjustable output voltage range, programmable soft-start, and a power-good signal to indicate when the output is within regulation. It also offers excellent transient response, low noise, and stable operation with minimal external components. Additionally, it includes overcurrent protection and thermal shutdown to ensure reliability and safety in various applications.
The TPS74401RGWT is commonly used in applications like telecommunications, networking equipment, and high-performance processors where space, efficiency, and precise voltage regulation are critical. Its compact VQFN package makes it suitable for space-constrained designs.
Equivalent
The TPS74401RGWT is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Equivalent products could include:
1. LT3080 from Analog Devices
2. MIC69502 from Microchip Technology
3. NCP59152 from ON Semiconductor
4. LP3878 from Texas Instruments
While these alternatives offer similar functionality, differences in specifications like output current, dropout voltage, and package type should be considered for compatibility. Always consult the datasheets for exact feature matching and electrical compatibility.
1. LT3080 from Analog Devices
2. MIC69502 from Microchip Technology
3. NCP59152 from ON Semiconductor
4. LP3878 from Texas Instruments
While these alternatives offer similar functionality, differences in specifications like output current, dropout voltage, and package type should be considered for compatibility. Always consult the datasheets for exact feature matching and electrical compatibility.
Features
The TPS74401RGWT is a high-performance low-dropout (LDO) linear voltage regulator from Texas Instruments. Key features include:
1. Ultra-Low Dropout Voltage: Offers low dropout operation, making it suitable for applications requiring high current (up to 3A) and low voltage differential.
2. Output Voltage: Provides adjustable output voltage ranging from 0.8V to 3.6V, allowing it to support a wide range of applications.
3. Fast Transient Response: Designed to handle rapid changes in load current, maintaining stable output.
4. Soft-Start Capability: Includes an adjustable soft-start feature that minimizes inrush current during startup.
5. Power-Good Output: Features a "power-good" signal that indicates when the output voltage is within regulation.
6. Thermal Protection: Comes with over-temperature protection to prevent damage from overheating.
7. Current Limit Protection: Provides current limiting to prevent damage from overcurrent conditions.
8. Input Voltage Range: Supports an input voltage range from 0.9V to 5.5V.
9. Package: Available in a compact, thermally-enhanced 20-pin VQFN package, suitable for space-constrained applications.
These features make the TPS74401RGWT ideal for high-performance applications requiring stable power delivery.
1. Ultra-Low Dropout Voltage: Offers low dropout operation, making it suitable for applications requiring high current (up to 3A) and low voltage differential.
2. Output Voltage: Provides adjustable output voltage ranging from 0.8V to 3.6V, allowing it to support a wide range of applications.
3. Fast Transient Response: Designed to handle rapid changes in load current, maintaining stable output.
4. Soft-Start Capability: Includes an adjustable soft-start feature that minimizes inrush current during startup.
5. Power-Good Output: Features a "power-good" signal that indicates when the output voltage is within regulation.
6. Thermal Protection: Comes with over-temperature protection to prevent damage from overheating.
7. Current Limit Protection: Provides current limiting to prevent damage from overcurrent conditions.
8. Input Voltage Range: Supports an input voltage range from 0.9V to 5.5V.
9. Package: Available in a compact, thermally-enhanced 20-pin VQFN package, suitable for space-constrained applications.
These features make the TPS74401RGWT ideal for high-performance applications requiring stable power delivery.
Pinout
The TPS74401RGWT is a high-performance low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is housed in a 20-pin VQFN (RGW) package. The device is designed for applications requiring low dropout voltage at high current levels, offering excellent performance with an output current capability up to 3 A.
Key functions of the TPS74401 include:
- Output voltage regulation: It provides precise regulation and maintains a stable output voltage even with variations in input voltage and load current.
- Adjustable output: The output voltage can be set via external resistors, making it versatile for different applications.
- Low dropout voltage: Enables efficient regulation close to the input voltage level, suitable for applications with tight voltage margins.
- Soft-start capability: Allows controlled ramp-up of the output voltage to prevent overshoot and minimize inrush current during startup.
- Power Good (PG) signaling: Indicates when the output voltage is within a certain threshold of the desired level, useful for system monitoring.
- Thermal shutdown and current limit protection: Ensures device safety and reliability under abnormal conditions.
The TPS74401 is typically used in applications like telecommunications, industrial systems, and computing devices.
Key functions of the TPS74401 include:
- Output voltage regulation: It provides precise regulation and maintains a stable output voltage even with variations in input voltage and load current.
- Adjustable output: The output voltage can be set via external resistors, making it versatile for different applications.
- Low dropout voltage: Enables efficient regulation close to the input voltage level, suitable for applications with tight voltage margins.
- Soft-start capability: Allows controlled ramp-up of the output voltage to prevent overshoot and minimize inrush current during startup.
- Power Good (PG) signaling: Indicates when the output voltage is within a certain threshold of the desired level, useful for system monitoring.
- Thermal shutdown and current limit protection: Ensures device safety and reliability under abnormal conditions.
The TPS74401 is typically used in applications like telecommunications, industrial systems, and computing devices.
Manufacturer
The TPS74401RGWT is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a variety of electronic components, including integrated circuits and embedded processors. TI is well-known for its development and production of analog chips, digital signal processors, microcontrollers, and other electronic systems for various industries such as automotive, industrial, consumer electronics, communications, and computing. The company has a strong emphasis on innovation and technology development, providing solutions that are integral to a wide range of electronic devices and systems.
Application
The TPS74401RGWT is a low-dropout (LDO) voltage regulator commonly used in applications requiring precise voltage regulation and efficient power management. Typical application areas include:
1. Telecommunications Equipment: Ensuring stable voltage supply for communication devices.
2. Networking Devices: Providing reliable power in routers, switches, and modems.
3. Industrial Control Systems: Maintaining voltage stability in automated systems.
4. Consumer Electronics: Powering components in devices like laptops and smartphones.
5. Medical Instruments: Supplying stable power for sensitive medical devices.
6. Test and Measurement Equipment: Ensuring precise power delivery for accurate measurements.
These applications benefit from the regulator's high current capability, low noise, and robust performance.
1. Telecommunications Equipment: Ensuring stable voltage supply for communication devices.
2. Networking Devices: Providing reliable power in routers, switches, and modems.
3. Industrial Control Systems: Maintaining voltage stability in automated systems.
4. Consumer Electronics: Powering components in devices like laptops and smartphones.
5. Medical Instruments: Supplying stable power for sensitive medical devices.
6. Test and Measurement Equipment: Ensuring precise power delivery for accurate measurements.
These applications benefit from the regulator's high current capability, low noise, and robust performance.
Package
The TPS74401RGWT is packaged in a thin shrink small-outline package (VQFN) with a 20-pin layout. The package type is denoted as RGW, which is a lead-free, thermally enhanced PowerPAD™ QFN package. This design aids in efficient heat dissipation, crucial for the device's voltage regulation functions.
