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IC REG LINEAR 3.3/1.2V 24HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS70445PWPR
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Em Estoque6477
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 2 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min / Fixed) | 3.3V, 1.2V |
| Voltage Dropout (Max) | 0.25V @ 1A, - |
| Current - Output | 1A, 2A |
| Current - Quiescent (Iq) | 250 µA |
| PSRR | 65dB (1kHz), 60dB (1kHz) |
| Control Features | Enable, Power Good, Reset, Sequencing |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 24-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-HTSSOP |
| Base Product Number | TPS70445 |
Visão Geral
Description
The TPS70445PWPR is a low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to provide a stable output voltage with excellent power efficiency. It features a fixed output voltage of 4.5V and can deliver up to 1A of output current, making it suitable for powering various electronic circuits and devices.
Key features include low quiescent current, which enhances battery life in portable applications, and a wide input voltage range of 2.5V to 6.5V. The device ensures low output voltage noise, making it ideal for sensitive analog and RF applications. It also includes built-in overcurrent protection and thermal shutdown for enhanced reliability.
The TPS70445PWPR comes in a small 5-pin WSON package, facilitating easy integration into compact designs. Its performance makes it a popular choice in automotive, industrial, and consumer electronics sectors, where stable power supply and efficiency are critical.
Key features include low quiescent current, which enhances battery life in portable applications, and a wide input voltage range of 2.5V to 6.5V. The device ensures low output voltage noise, making it ideal for sensitive analog and RF applications. It also includes built-in overcurrent protection and thermal shutdown for enhanced reliability.
The TPS70445PWPR comes in a small 5-pin WSON package, facilitating easy integration into compact designs. Its performance makes it a popular choice in automotive, industrial, and consumer electronics sectors, where stable power supply and efficiency are critical.
Equivalent
The TPS70445PWPR is a low-dropout (LDO) voltage regulator. Equivalent products include the LM1117-3.3 (Texas Instruments), LT1086-3.3 (Analog Devices), and MIC5205-3.3 (Microchip). Other alternatives are the MCP1700-3302E (Microchip) and the LP2950-3.3 (Texas Instruments). Always check specific parameters like output current, voltage accuracy, and thermal performance to ensure compatibility.
Features
The TPS70445PWPR is a low-dropout (LDO) linear voltage regulator designed for high-performance applications. Key features include:
1. Output Voltage: Fixed output voltage options of 1.5V, 1.8V, 2.5V, 3.3V, and adjustable versions.
2. Output Current: Supports up to 1A of output current.
3. Low Dropout Voltage: Typically around 200 mV at full load, ensuring efficient operation.
4. Low Quiescent Current: Offers low power consumption, making it suitable for battery-powered devices.
5. Thermal Protection: Includes built-in thermal shutdown and current limit protection for enhanced reliability.
6. Power Supply Rejection Ratio (PSRR): High PSRR provides stable output voltage with minimal ripple.
7. Wide Input Voltage Range: Operates from 1.8V to 5.5V input voltage.
8. Small Package: Available in a compact 5-pin SOT-23 package, facilitating space-saving designs.
These features make the TPS70445PWPR ideal for portable electronics, sensor power supplies, and other applications requiring precise voltage regulation.
1. Output Voltage: Fixed output voltage options of 1.5V, 1.8V, 2.5V, 3.3V, and adjustable versions.
2. Output Current: Supports up to 1A of output current.
3. Low Dropout Voltage: Typically around 200 mV at full load, ensuring efficient operation.
4. Low Quiescent Current: Offers low power consumption, making it suitable for battery-powered devices.
5. Thermal Protection: Includes built-in thermal shutdown and current limit protection for enhanced reliability.
6. Power Supply Rejection Ratio (PSRR): High PSRR provides stable output voltage with minimal ripple.
7. Wide Input Voltage Range: Operates from 1.8V to 5.5V input voltage.
8. Small Package: Available in a compact 5-pin SOT-23 package, facilitating space-saving designs.
These features make the TPS70445PWPR ideal for portable electronics, sensor power supplies, and other applications requiring precise voltage regulation.
Pinout
The TPS70445PWPR is a low-dropout (LDO) voltage regulator from Texas Instruments. It has a pin count of 5. The functions of each pin are as follows:
1. Input (VIN): The power supply input for the LDO.
2. Output (VOUT): The regulated output voltage.
3. Ground (GND): The return path for current; serves as the reference point.
4. Enable (EN): A control pin that enables or disables the output; active high to enable.
5. Feedback (FB): Used for voltage regulation control; connects to an external resistor divider to set the desired output voltage.
The TPS70445PWPR is commonly used in various applications requiring stable low voltage, such as powering microcontrollers and RF circuitry.
1. Input (VIN): The power supply input for the LDO.
2. Output (VOUT): The regulated output voltage.
3. Ground (GND): The return path for current; serves as the reference point.
4. Enable (EN): A control pin that enables or disables the output; active high to enable.
5. Feedback (FB): Used for voltage regulation control; connects to an external resistor divider to set the desired output voltage.
The TPS70445PWPR is commonly used in various applications requiring stable low voltage, such as powering microcontrollers and RF circuitry.
Manufacturer
The TPS70445PWPR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and producing a wide range of electronics and semiconductor products, including analog, embedded processing, and digital signal processing solutions. Founded in 1930, TI is known for its innovation in the field of electronics, providing products for various applications such as communications, automotive, industrial, and consumer electronics.
The TPS70445PWPR is a low-dropout (LDO) voltage regulator designed to provide stable output voltage with low power dissipation. Its applications include powering sensitive analog and digital circuits in portable and battery-operated devices. Texas Instruments is recognized for its commitment to quality and reliability in its products, making it a key player in the semiconductor industry.
The TPS70445PWPR is a low-dropout (LDO) voltage regulator designed to provide stable output voltage with low power dissipation. Its applications include powering sensitive analog and digital circuits in portable and battery-operated devices. Texas Instruments is recognized for its commitment to quality and reliability in its products, making it a key player in the semiconductor industry.
Application
The TPS70445PWPR is a low-dropout (LDO) voltage regulator primarily used in applications requiring precise voltage regulation and low noise. Key application areas include:
1. Portable Electronics: Powers battery-operated devices, ensuring stable performance.
2. Wireless Communication: Supplies voltage for RF modules and transceivers.
3. Consumer Electronics: Used in audio/video equipment for clean power supply.
4. Industrial Automation: Provides power to sensors and control circuits.
5. Automotive Systems: Supports various electronic control units (ECUs).
Its high power supply rejection ratio (PSRR) makes it suitable for sensitive analog circuits.
1. Portable Electronics: Powers battery-operated devices, ensuring stable performance.
2. Wireless Communication: Supplies voltage for RF modules and transceivers.
3. Consumer Electronics: Used in audio/video equipment for clean power supply.
4. Industrial Automation: Provides power to sensors and control circuits.
5. Automotive Systems: Supports various electronic control units (ECUs).
Its high power supply rejection ratio (PSRR) makes it suitable for sensitive analog circuits.
Package
The TPS70445PWPR is packaged in a TSSOP (Thin Shrink Small Outline Package) with a PowerPAD. This package type allows for efficient thermal performance and reduced footprint in electronic circuits.
