Abbildungen dienen nur als Referenz
TPS79518DCQR
+StücklisteIC REG LIN 1.8V 500MA SOT223-6
-
HerstellerTexas Instruments
-
Herstellerteil #TPS79518DCQR
-
Paket SOT-223-6
-
Auf Lager3876
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.8V |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 385 µA |
| PSRR | 59dB ~ 39dB (100Hz ~ 100kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-223-6 |
Übersicht
Description
Key features of the TPS79518DCQR include:
1. Input Voltage Range: It typically supports an input voltage range from 2.7V to 5.5V.
2. Output Current: It can deliver up to 500 mA of output current.
3. Low Dropout Voltage: The dropout voltage is very low, which increases efficiency and extends battery life in portable applications.
4. High PSRR: It provides excellent noise rejection, making it suitable for sensitive analog circuits.
5. Package: The DCQR suffix indicates it is offered in a small SOT-223 package, optimizing it for space-constrained applications.
The TPS79518DCQR is commonly used in applications such as portable electronics, communication systems, and industrial equipment where stable and reliable power supply is crucial.
Equivalent
1. Microchip Technology MCP1700 - Offers similar low dropout features.
2. LD1117 series - A common equivalent for 3.3V and other voltages.
3. ON Semiconductor NCP1117 - Also provides a low dropout voltage regulation.
Ensure to match electrical specifications, packaging, and pin configurations when selecting equivalents.
Features
1. Output Voltage: Fixed output voltage of 1.8V.
2. Input Voltage Range: Operates over a wide input voltage range from 2.7V to 5.5V.
3. Dropout Voltage: Low dropout voltage, typically around 190 mV at 500 mA output current.
4. Output Current: Provides up to 500 mA of output current.
5. High PSRR: Offers excellent power supply rejection ratio (PSRR) for clean output performance.
6. Fast Transient Response: Capable of responding quickly to changes in load conditions.
7. Low Noise: Designed for low noise operation, suitable for noise-sensitive applications.
8. Thermal Protection: Includes built-in thermal shutdown protection for safety.
9. Stability: Stable with low ESR ceramic output capacitors.
10. Package: Available in a small footprint 8-pin HVSSOP package for compact design requirements.
These features make the TPS79518DCQR suitable for applications requiring efficient power regulation and minimal space, such as portable devices and communication equipment.
Pinout
The key functions of the TPS79518DCQR include:
1. Voltage Regulation: It maintains a constant output voltage of 1.8V.
2. Low Dropout: Provides efficient regulation with minimal voltage difference between input and output.
3. High PSRR: Reduces noise from the power supply, ensuring a clean output.
4. Enable Pin: Allows the regulator to be turned on or off via an external signal.
5. Thermal Protection: Prevents damage due to overheating.
6. Current Limiting: Protects against excessive current draw.
These features make the TPS79518DCQR suitable for applications requiring precise voltage regulation and low noise, such as in RF, analog, and other sensitive electronic circuits.
Manufacturer
Application
1. Communications Equipment: Provides stable power for RF and analog circuits.
2. Consumer Electronics: Powers microprocessors and DSPs in devices like smartphones and tablets.
3. Industrial Systems: Supports sensors and data acquisition systems requiring precise voltage regulation.
4. Medical Devices: Ensures reliable operation of sensitive equipment.
5. Automotive Electronics: Offers robust power management for infotainment and control systems.
Its small footprint also makes it suitable for space-constrained designs.