Images à titre indicatif uniquement
TPS74401RGRR
+NomenclatureIC REG LINEAR POS ADJ 3A 20VQFN
-
FabricantTexas Instruments
-
Pièce fabricant #TPS74401RGRR
-
Package VQFN (RGR)-20
-
En stock2942
365 Garantie qualité 24h/24
7*24 Garantie de service 24h/24
90-Garantie après-vente 24h/24
Garantie produit authentique
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 |
| Current-Supply(Max) | 100 µA |
| PSRR | 73dB ~ 50dB (1kHz ~ 800kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-VFQFN Exposed Pad |
Présentation
Description
The TPS74401RGRR features an adjustable output voltage range, typically from 0.8 V to 3.6 V, which can be set using external resistors. It offers excellent line and load regulation, fast transient response, and low noise, ensuring stable performance under varying conditions. Additional features include thermal shutdown, current limiting, and a power-good output that indicates when the output voltage is within a specified range.
Packaged in a small thermally-enhanced QFN, the TPS74401RGRR is suitable for compact designs. It supports a wide range of industrial and consumer electronics applications, making it a versatile choice for engineers seeking reliable power regulation solutions.
Equivalent
1. LT1963A from Analog Devices: A similar low-dropout regulator with adjustable output.
2. MIC69502 from Microchip Technology: Offers comparable performance in voltage regulation.
3. NCP59300 from ON Semiconductor: Another alternative with similar characteristics.
Always check the datasheets for detailed specifications to ensure compatibility with your application.
Features
1. Output Current: It supports up to 3 A output current, making it suitable for powering both digital and analog circuits.
2. Low Dropout Voltage: The device offers a very low dropout voltage of typically 100 mV at 3 A, enhancing efficiency and performance.
3. Adjustable Output Voltage: The output can be adjusted from 0.8 V to 5.5 V, allowing flexibility for various applications.
4. Fast Transient Response: It provides fast response to load transients, which is critical for maintaining performance in dynamic environments.
5. Soft Start: The regulator includes a programmable soft-start feature to limit inrush current and manage startup sequencing.
6. Power Good Indicator: A power good output signal indicates the status of the output voltage, assisting in system monitoring.
7. Thermal Protection: It includes thermal shutdown protection to prevent damage from overheating.
8. Package: Available in a 20-pin VQFN package, it is suitable for compact PCB designs.
These features make the TPS74401RGRR ideal for applications requiring high current, low noise, and precise voltage regulation.
Pinout
Key functions and features of the TPS74401RGRR include:
- Adjustable Output Voltage: The output voltage can be adjusted via external resistors.
- High Output Current: Capable of delivering up to 3 A.
- Low Dropout Voltage: Ensures minimal voltage difference between input and output.
- Soft-Start Capability: Allows control over the startup time to limit inrush current.
- Power Good (PG) Output: Indicates whether the output voltage is within regulation.
- Enable Pin (EN): Allows the device to be turned on or off.
- Thermal Protection and Current Limit: Safeguards the device against damage under fault conditions.
This combination of features makes the TPS74401RGRR suitable for use in applications requiring efficient power regulation with precision control over voltage and current.
Manufacturer
Application
1. Telecommunications Equipment: Ensures stable power for sensitive components.
2. Industrial and Medical Instruments: Provides precise voltage regulation for critical systems.
3. Networking Hardware: Offers reliable power supply in routers and switches.
4. Consumer Electronics: Supports battery-powered devices with efficient power usage.
5. Servers and Storage Systems: Maintains voltage stability in high-performance computing environments.
6. Embedded Systems: Offers compact power solutions for embedded applications.
These applications benefit from the TPS74401RGRR's low dropout voltage, fast transient response, and high accuracy.