사양
| 속성 | 가치 |
| Package / Case | Tube |
| 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 |
개요
Description
The TPS70445PWP is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments, designed for powering advanced microcontrollers and digital signal processors. It offers precise voltage regulation with high accuracy and low noise, making it suitable for sensitive electronic applications. The device features two independent LDO regulators, allowing for flexibility in powering multiple components with different voltage requirements from a single chip.
Key features include low dropout voltage, ensuring efficient operation even with minimal input voltage headroom, and robust protection mechanisms such as over-current and over-temperature shutdown to enhance reliability. It supports an input voltage range typically from 2.7V to 6.5V and offers adjustable output voltages, making it adaptable to various application needs.
The TPS70445PWP also includes a power-up sequencing capability, which is crucial for applications where the order of powering circuits is important. Its small package size and thermal efficiency make it suitable for compact and high-performance designs. This regulator is commonly used in telecommunications, networking equipment, and portable electronics.
Key features include low dropout voltage, ensuring efficient operation even with minimal input voltage headroom, and robust protection mechanisms such as over-current and over-temperature shutdown to enhance reliability. It supports an input voltage range typically from 2.7V to 6.5V and offers adjustable output voltages, making it adaptable to various application needs.
The TPS70445PWP also includes a power-up sequencing capability, which is crucial for applications where the order of powering circuits is important. Its small package size and thermal efficiency make it suitable for compact and high-performance designs. This regulator is commonly used in telecommunications, networking equipment, and portable electronics.
Equivalent
The TPS70445PWP is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products with similar functionalities could include:
1. Microchip MCP1725 - Offers dual LDO outputs with similar voltage and current specifications.
2. Analog Devices ADM7160 - Provides competitive low-dropout performance in dual configurations.
3. ON Semiconductor NCP1117 - A widely used LDO regulator with similar specs.
When selecting an equivalent, consider voltage, current ratings, dropout voltage, and package compatibility. Always verify specific application requirements.
1. Microchip MCP1725 - Offers dual LDO outputs with similar voltage and current specifications.
2. Analog Devices ADM7160 - Provides competitive low-dropout performance in dual configurations.
3. ON Semiconductor NCP1117 - A widely used LDO regulator with similar specs.
When selecting an equivalent, consider voltage, current ratings, dropout voltage, and package compatibility. Always verify specific application requirements.
Features
The TPS70445PWP is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide two independently controlled outputs with high accuracy and low noise. Key features include:
1. Dual Output: Supports two separate voltage outputs, typically used to power digital and analog circuits independently.
2. Low Dropout Voltage: Ensures efficient power regulation with minimal voltage drop across the regulator, enhancing efficiency and battery life.
3. High Accuracy: Provides precise voltage regulation crucial for sensitive electronic components.
4. Low Noise: Produces minimal output noise, making it suitable for powering noise-sensitive applications.
5. Output Current: Capable of delivering up to 1A per channel, suitable for a range of applications.
6. Thermal Shutdown: Protects the device from overheating by shutting down the output when excessive temperature is detected.
7. Overcurrent Protection: Prevents damage from short-circuits or excessive current draw.
8. Power-Save Mode: Includes a low-power mode for energy-efficient operation.
9. Package: Available in a PowerPAD™ package for improved thermal performance.
These features make the TPS70445PWP ideal for applications requiring efficient and reliable power management with dual-output capabilities.
1. Dual Output: Supports two separate voltage outputs, typically used to power digital and analog circuits independently.
2. Low Dropout Voltage: Ensures efficient power regulation with minimal voltage drop across the regulator, enhancing efficiency and battery life.
3. High Accuracy: Provides precise voltage regulation crucial for sensitive electronic components.
4. Low Noise: Produces minimal output noise, making it suitable for powering noise-sensitive applications.
5. Output Current: Capable of delivering up to 1A per channel, suitable for a range of applications.
6. Thermal Shutdown: Protects the device from overheating by shutting down the output when excessive temperature is detected.
7. Overcurrent Protection: Prevents damage from short-circuits or excessive current draw.
8. Power-Save Mode: Includes a low-power mode for energy-efficient operation.
9. Package: Available in a PowerPAD™ package for improved thermal performance.
These features make the TPS70445PWP ideal for applications requiring efficient and reliable power management with dual-output capabilities.
Pinout
The TPS70445PWP is a dual-output low-dropout (LDO) voltage regulator by Texas Instruments. It comes in a 20-pin HTSSOP (PWP) package. The device is designed to provide two regulated output voltages, typically used in applications requiring dual supply rails. It features an enable pin for each output, allowing for independent control, and provides a power-on-reset for each output.
The key functions of the pins include:
1. Input Pins: For supplying the input voltage to the regulators.
2. Output Pins: For the regulated outputs.
3. Enable Pins: To enable or disable each of the outputs.
4. Reset Pins: For reset functionality to indicate when the output voltage is within a specified range.
5. Ground Pins: Common ground for the device.
This configuration provides flexibility and control in power management applications. For specific pin assignments and detailed functionality, referring to the device's datasheet is recommended.
The key functions of the pins include:
1. Input Pins: For supplying the input voltage to the regulators.
2. Output Pins: For the regulated outputs.
3. Enable Pins: To enable or disable each of the outputs.
4. Reset Pins: For reset functionality to indicate when the output voltage is within a specified range.
5. Ground Pins: Common ground for the device.
This configuration provides flexibility and control in power management applications. For specific pin assignments and detailed functionality, referring to the device's datasheet is recommended.
Manufacturer
The TPS70445PWP is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, primarily focusing on developing analog chips and embedded processors, which are used in a wide array of electronics applications. TI serves industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company's emphasis on innovation and quality has made it a significant player in the electronics sector.
Application
The TPS70445PWP is a dual-output low-dropout (LDO) voltage regulator with power management features, commonly used in applications requiring precise power regulation and sequencing. Its application areas include:
1. Telecommunications: Provides stable power for network devices and communication equipment.
2. Consumer Electronics: Used in devices like TVs and gaming consoles for reliable power supply.
3. Industrial Equipment: Powers sensors and control systems requiring efficient power management.
4. Computing: Regulates power in servers, desktops, and laptops.
5. Medical Devices: Ensures stable operation of sensitive equipment requiring reliable power.
6. Automotive Electronics: Supports infotainment systems and other electronics needing precise voltage control.
1. Telecommunications: Provides stable power for network devices and communication equipment.
2. Consumer Electronics: Used in devices like TVs and gaming consoles for reliable power supply.
3. Industrial Equipment: Powers sensors and control systems requiring efficient power management.
4. Computing: Regulates power in servers, desktops, and laptops.
5. Medical Devices: Ensures stable operation of sensitive equipment requiring reliable power.
6. Automotive Electronics: Supports infotainment systems and other electronics needing precise voltage control.
Package
The TPS70445PWP is a dual-output low-dropout voltage regulator from Texas Instruments. It comes in a 20-pin HTSSOP (PWP) package type, which is a thermally enhanced thin shrink small-outline package, suitable for applications requiring efficient heat dissipation.
