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TPS70145PWPR
+NomenclatureIC REG LIN 3.3V/1.2V 20-HTSSOP
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FabricantTexas Instruments
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Pièce fabricant #TPS70145PWPR
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Fiche technique TPS70145PWPR DataSheet
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En stock9696
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Spécifications
| Attribut | Valeur |
| PartStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 2 |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 3.3V, 1.2V |
| VoltageDropout(Max) | 0.28V @ 500mA, - |
| Current-Output | 500mA, 250mA |
| Current-Quiescent(Iq) | 190 µA |
| PSRR | 60dB (1kHz) |
| ControlFeatures | Enable, Power Good, Reset, Sequencing |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173", 4.40mm Width) |
| SupplierDevicePackage | 20-HTSSOP |
| BaseProductNumber | TPS70145 |
| Current-Supply(Max) | 230 µA |
Présentation
Description
The TPS70145PWPR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a stable output voltage with low noise and high power supply rejection, making it suitable for powering sensitive analog and digital circuits.
Key features include an output voltage of 1.45V, a maximum output current of 1A, and a dropout voltage of 200mV at full load, allowing for efficient operation with low input-output voltage differences. The TPS70145 incorporates protection features such as thermal shutdown and current limiting to enhance reliability.
Its compact package (PowerPAD™) facilitates efficient thermal dissipation and integration into various applications, including portable devices, battery-operated equipment, and other electronics requiring stable voltage regulation.
The device operates over a wide temperature range, ensuring consistent performance in diverse environmental conditions. Overall, the TPS70145PWPR is ideal for applications demanding high performance and reliability in voltage regulation.
Key features include an output voltage of 1.45V, a maximum output current of 1A, and a dropout voltage of 200mV at full load, allowing for efficient operation with low input-output voltage differences. The TPS70145 incorporates protection features such as thermal shutdown and current limiting to enhance reliability.
Its compact package (PowerPAD™) facilitates efficient thermal dissipation and integration into various applications, including portable devices, battery-operated equipment, and other electronics requiring stable voltage regulation.
The device operates over a wide temperature range, ensuring consistent performance in diverse environmental conditions. Overall, the TPS70145PWPR is ideal for applications demanding high performance and reliability in voltage regulation.
Equivalent
The TPS70145PWPR is a low-dropout (LDO) voltage regulator. Equivalent products include the LM1117-3.3, MIC5205-3.3, and MCP1700-3302E. These alternatives offer similar output voltage levels and current capacities. When selecting an equivalent, consider parameters like dropout voltage, output current, and thermal performance to ensure compatibility with your specific application.
Features
The TPS70145PWPR is a low-dropout (LDO) voltage regulator designed for various applications. Key features include:
1. Output Voltage: Fixed output voltage of 1.45V with a tolerance of ±2%.
2. Output Current: Capable of delivering up to 1A of output current.
3. Low Dropout Voltage: Typically 170 mV at 1A load, ensuring efficient operation.
4. Power Supply Rejection Ratio (PSRR): High PSRR helps maintain output stability against input voltage fluctuations.
5. Thermal Protection: Integrated thermal shutdown prevents damage from overheating.
6. Short-Circuit Protection: Safeguards against excessive current draw.
7. Wide Input Voltage Range: Accepts input voltages from 1.8V to 6.5V, suitable for various power sources.
8. Low Quiescent Current: Efficient operation at low loads, enhancing battery life in portable applications.
9. Compact Package: Available in a 5-pin VQFN package, facilitating space-saving designs.
These features make the TPS70145PWPR ideal for powering digital circuits, RF applications, and battery-operated devices.
1. Output Voltage: Fixed output voltage of 1.45V with a tolerance of ±2%.
2. Output Current: Capable of delivering up to 1A of output current.
3. Low Dropout Voltage: Typically 170 mV at 1A load, ensuring efficient operation.
4. Power Supply Rejection Ratio (PSRR): High PSRR helps maintain output stability against input voltage fluctuations.
5. Thermal Protection: Integrated thermal shutdown prevents damage from overheating.
6. Short-Circuit Protection: Safeguards against excessive current draw.
7. Wide Input Voltage Range: Accepts input voltages from 1.8V to 6.5V, suitable for various power sources.
8. Low Quiescent Current: Efficient operation at low loads, enhancing battery life in portable applications.
9. Compact Package: Available in a 5-pin VQFN package, facilitating space-saving designs.
These features make the TPS70145PWPR ideal for powering digital circuits, RF applications, and battery-operated devices.
Pinout
The TPS70145PWPR is a low-dropout (LDO) voltage regulator with a pin count of 5. Its primary function is to provide a regulated output voltage, specifically 4.5 V, with minimal dropout voltage, making it suitable for battery-powered applications.
The pin functions are as follows:
1. Input (Vin): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. Output (Vout): Provides the regulated output voltage.
4. Enable (EN): Controls the output state; enabling or disabling the regulator.
5. Bypass (BP): Used to improve power supply rejection and transient response; typically connected to a capacitor.
The TPS70145PWPR is designed for low quiescent current, making it efficient for use in portable devices.
The pin functions are as follows:
1. Input (Vin): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. Output (Vout): Provides the regulated output voltage.
4. Enable (EN): Controls the output state; enabling or disabling the regulator.
5. Bypass (BP): Used to improve power supply rejection and transient response; typically connected to a capacitor.
The TPS70145PWPR is designed for low quiescent current, making it efficient for use in portable devices.
Manufacturer
The TPS70145PWPR is manufactured by Texas Instruments (TI), a well-known semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and producing a wide range of analog and embedded processing technologies. The company is recognized for its innovation in the semiconductor industry, offering products such as integrated circuits, microcontrollers, and digital signal processors.
Texas Instruments serves various markets, including automotive, industrial, communications, and personal electronics, providing solutions that enhance performance and efficiency in electronic devices. With a strong emphasis on research and development, TI continues to lead in advancements in analog technology and signal processing.
The TPS70145PWPR itself is a low-dropout (LDO) voltage regulator, designed to provide a stable output voltage for various applications. Texas Instruments is committed to delivering high-quality products and support, making it a trusted name among engineers and designers in the electronics sector.
Texas Instruments serves various markets, including automotive, industrial, communications, and personal electronics, providing solutions that enhance performance and efficiency in electronic devices. With a strong emphasis on research and development, TI continues to lead in advancements in analog technology and signal processing.
The TPS70145PWPR itself is a low-dropout (LDO) voltage regulator, designed to provide a stable output voltage for various applications. Texas Instruments is committed to delivering high-quality products and support, making it a trusted name among engineers and designers in the electronics sector.
Application
The TPS70145PWPR is a low-dropout (LDO) voltage regulator primarily used in applications requiring a stable output voltage with minimal power loss. Key application areas include:
1. Battery-Powered Devices: Efficient regulation for longer battery life.
2. Portable Electronics: Power management in smartphones, tablets, and wearables.
3. Automotive Systems: Regulation in infotainment and control units.
4. Industrial Equipment: Reliable power supply for sensors and control systems.
5. Telecommunications: Ensuring stable voltage for communication devices.
Its low quiescent current and wide input voltage range make it suitable for various low-power applications.
1. Battery-Powered Devices: Efficient regulation for longer battery life.
2. Portable Electronics: Power management in smartphones, tablets, and wearables.
3. Automotive Systems: Regulation in infotainment and control units.
4. Industrial Equipment: Reliable power supply for sensors and control systems.
5. Telecommunications: Ensuring stable voltage for communication devices.
Its low quiescent current and wide input voltage range make it suitable for various low-power applications.
Package
The TPS70145PWPR is packaged in a TSSOP (Thin Shrink Small Outline Package) with a 20-pin configuration. This surface-mount package is designed for compact applications and provides efficient thermal and electrical performance.
