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TPS74401KTWR
+NomenclatureIC REG LIN POS ADJ 3A DDPAK
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FabricantTexas Instruments
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Pièce fabricant #TPS74401KTWR
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Package TO263-7
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En stock1678
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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 | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA |
Présentation
Description
The TPS74401KTWR is a Texas Instruments low-dropout (LDO) linear voltage regulator. It provides a high-performance solution for applications requiring a stable and precise output voltage. Key features include a wide input voltage range (from 0.8V to 5.5V), high output current capability (up to 3A), and excellent transient response. It is designed with low dropout voltage, which makes it efficient in power-sensitive applications. The device also offers adjustable output voltage, typically ranging from 0.8V to 3.6V, ensuring versatility for various requirements.
The TPS74401KTWR includes features like soft-start capability, power-good signaling, and thermal shutdown protection, enhancing reliability and safeguarding the device under adverse conditions. The small package size and high-performance characteristics make it ideal for portable devices, telecom infrastructure, and other applications demanding efficient power management. Its ease of use and robust performance make the TPS74401KTWR a popular choice among engineers and designers seeking reliable LDO regulators.
The TPS74401KTWR includes features like soft-start capability, power-good signaling, and thermal shutdown protection, enhancing reliability and safeguarding the device under adverse conditions. The small package size and high-performance characteristics make it ideal for portable devices, telecom infrastructure, and other applications demanding efficient power management. Its ease of use and robust performance make the TPS74401KTWR a popular choice among engineers and designers seeking reliable LDO regulators.
Equivalent
The TPS74401KTWR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products could include:
1. Linear Technology/Analog Devices LT3080: Similar performance with adjustable output.
2. ON Semiconductor NCP1117: A common 1A LDO voltage regulator.
3. Micrel/Microchip MIC29302: Offers high current and low dropout voltage.
4. STMicroelectronics L78S00 series: Reliable LDO with comparable specs.
Always verify specific requirements like pin configuration and thermal performance.
1. Linear Technology/Analog Devices LT3080: Similar performance with adjustable output.
2. ON Semiconductor NCP1117: A common 1A LDO voltage regulator.
3. Micrel/Microchip MIC29302: Offers high current and low dropout voltage.
4. STMicroelectronics L78S00 series: Reliable LDO with comparable specs.
Always verify specific requirements like pin configuration and thermal performance.
Features
The TPS74401KTWR is a low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Output Current: It can deliver up to 3 A of continuous output current.
2. Dropout Voltage: The device has a low dropout voltage, making it efficient for applications requiring low power loss.
3. Input Voltage Range: Supports a wide input voltage range from 0.8 V to 5.5 V.
4. Adjustable Output Voltage: The output voltage can be adjusted using an external resistor divider.
5. Soft-Start Capability: Integrated soft-start feature prevents inrush currents during startup.
6. Power-Good Indicator: Includes a power-good (PG) output to signal when the output voltage is within a specified range.
7. Overcurrent Protection: Provides robust protection features such as overcurrent and thermal shutdown.
8. Low Noise: Designed for low output noise, which is beneficial for sensitive applications.
9. Package: Available in a thermally-enhanced, small-outline package for efficient heat dissipation.
These features make the TPS74401KTWR suitable for powering sensitive electronics in consumer, industrial, and communications applications.
1. Output Current: It can deliver up to 3 A of continuous output current.
2. Dropout Voltage: The device has a low dropout voltage, making it efficient for applications requiring low power loss.
3. Input Voltage Range: Supports a wide input voltage range from 0.8 V to 5.5 V.
4. Adjustable Output Voltage: The output voltage can be adjusted using an external resistor divider.
5. Soft-Start Capability: Integrated soft-start feature prevents inrush currents during startup.
6. Power-Good Indicator: Includes a power-good (PG) output to signal when the output voltage is within a specified range.
7. Overcurrent Protection: Provides robust protection features such as overcurrent and thermal shutdown.
8. Low Noise: Designed for low output noise, which is beneficial for sensitive applications.
9. Package: Available in a thermally-enhanced, small-outline package for efficient heat dissipation.
These features make the TPS74401KTWR suitable for powering sensitive electronics in consumer, industrial, and communications applications.
Pinout
The TPS74401KTWR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It typically comes in a 5-pin TO-263 package, which is also referred to by TI as the DDPAK/TO-263 package. The pin functions are as follows:
1. IN (Input Voltage): This pin accepts the unregulated input voltage. It should be connected to a clean power supply voltage.
2. OUT (Output Voltage): This pin provides the regulated output voltage. It is connected to the load.
3. GND (Ground): This pin is the common ground reference for the input and output.
4. FB (Feedback): This pin is used to adjust the output voltage through an external resistor divider network.
5. SS (Soft Start): This pin controls the soft start feature, allowing you to control the rate at which the output voltage rises.
The TPS74401KTWR features a high output current capability, low dropout voltage, and is designed for applications requiring low noise and fast transient response.
1. IN (Input Voltage): This pin accepts the unregulated input voltage. It should be connected to a clean power supply voltage.
2. OUT (Output Voltage): This pin provides the regulated output voltage. It is connected to the load.
3. GND (Ground): This pin is the common ground reference for the input and output.
4. FB (Feedback): This pin is used to adjust the output voltage through an external resistor divider network.
5. SS (Soft Start): This pin controls the soft start feature, allowing you to control the rate at which the output voltage rises.
The TPS74401KTWR features a high output current capability, low dropout voltage, and is designed for applications requiring low noise and fast transient response.
Application
The TPS74401KTWR is a linear voltage regulator designed for applications requiring high current and low dropout voltage, making it suitable for use in telecommunications, servers, and networking equipment. Its features, such as fast transient response and low noise output, make it ideal for powering sensitive analog and digital components, such as microprocessors and FPGAs, in computing and industrial systems. Additionally, its thermal and power protection features make it suitable for automotive and high-reliability applications. The device is also used in consumer electronics for efficient power management, particularly where space is a constraint and reliable power supply is critical.
Package
The TPS74401KTWR is packaged in a TO-263 surface-mount package, also known as a DDPAK/TO-263-7. This package type is designed for efficient thermal performance and compactness, suitable for high-power applications.
