TPS70345PWPR

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TPS70345PWPR

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IC REG LINEAR 3.3V/1.2V 24HTSSOP

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 2
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 3.3V, 1.2V
VoltageDropout(Max) 0.26V @ 1A, -
Current-Output 1A, 2A
Current-Quiescent(Iq) 250 µA
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 24-TSSOP (0.173, 4.40mm Width) Exposed Pad

Übersicht

Description

The TPS70345PWPR is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments. It is part of the TPS703xx series, designed for applications requiring both a regulated output voltage and a separate tracking/bias supply. The device features two independent LDO regulators each capable of delivering up to 1A of output current with low dropout voltage, making it suitable for powering digital circuits, microcontrollers, and other electronic components.
Key features include high power supply rejection ratio (PSRR), low quiescent current, and fast transient response. The TPS70345PWPR provides programmable output voltage options, enabling flexibility in design. It also includes safety features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation under various conditions.
The device is housed in a PowerPAD™ package, enhancing thermal performance and allowing for efficient heat dissipation. This makes the TPS70345PWPR suitable for applications in consumer electronics, telecommunications, and industrial equipment where space and power efficiency are critical.

Equivalent

The TPS70345PWPR is a dual-output low-dropout (LDO) voltage regulator by Texas Instruments. Equivalent products might include LDOs with similar specifications from companies like Analog Devices, Maxim Integrated, and ON Semiconductor. Specific equivalents could be the ADP3338 series from Analog Devices, the MAX15033 from Maxim Integrated, or the NCP699 series from ON Semiconductor, but exact compatibility should be confirmed based on detailed specifications like input/output voltage, current ratings, and package type. Always consult the datasheets for precise matching.

Features

The TPS70345PWPR is a dual-output, low-dropout (LDO) voltage regulator with integrated supervisory and tracking features. It supports applications that require precise voltage regulation and sequencing. Key features include:
1. Dual Output: Provides two independent output voltages, often used for powering different sections of a circuit.
2. Low Dropout Voltage: Ensures efficient operation with minimal voltage difference between input and output.
3. Integrated Supervisory Circuit: Monitors system voltages to ensure proper operation and can reset the system in case of a fault.
4. Tracking Capability: Allows the outputs to power up and down in a controlled sequence, ensuring the correct powering order of components.
5. Adjustable Outputs: Offers adjustable output voltages to fit various application requirements.
6. Thermal and Overcurrent Protection: Safeguards against overheating and excessive current, enhancing reliability.
7. High Current Capability: Suitable for powering complex systems requiring significant current.
8. PowerPAD™ Package: Enhances thermal performance for efficient heat dissipation.
This combination of features makes the TPS70345PWPR ideal for use in applications such as telecommunications, industrial systems, and portable devices.

Pinout

The TPS70345PWPR is a dual-output, low-dropout (LDO) voltage regulator with supervisory functions, manufactured by Texas Instruments. It comes in a 20-pin HTSSOP (PWP) package. Below are key details about its pin count and functions:
- Pin Count: 20 pins
- Functions:
- The device features two independent LDO regulators that provide precise voltage regulation.
- It includes supervisory functions to monitor output voltages and provide a reset signal if they fall outside specified thresholds.
- The TPS70345 provides overcurrent protection and thermal shutdown for enhanced reliability.
- It supports features like enable control for each regulator, power-good indicators, and adjustable output voltages.
This regulator is typically used in applications requiring reliable voltage regulation with supervisory monitoring, such as in microprocessor and DSP systems.

Manufacturer

The TPS70345PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits for various applications. TI is well-known for its innovations in analog and embedded processing products, serving industries such as automotive, industrial, personal electronics, and communications. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leader in the semiconductor industry through its focus on research, development, and quality manufacturing processes.

Application

The TPS70345PWPR is a dual-output low-dropout (LDO) voltage regulator commonly used in applications requiring precise power management. Key application areas include telecommunications, networking equipment, and industrial systems, where it provides stable power to sensitive components. It's also used in consumer electronics, such as set-top boxes and gaming consoles, to manage power efficiently. Additionally, the TPS70345PWPR is suitable for battery-powered devices, offering features like low dropout voltage and low quiescent current to extend battery life. With integrated supervisory functions, it enhances reliability in systems needing power monitoring and sequencing. Overall, its versatility makes it ideal for applications demanding robust power regulation and management.

Package

The TPS70345PWPR is a Texas Instruments device in a PowerPAD™ package, specifically a 20-pin HTSSOP (PWP) package. This type of package is designed for efficient heat dissipation and compact board layout.

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