TPS70445PWPR

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TPS70445PWPR

IC REG LINEAR 3.3/1.2V 24HTSSOP

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  • Mfr. Parte #TPS70445PWPR
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Especificaciones

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

Descripción general

Description

The TPS70445PWPR is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to provide a high-performance power solution with two independent LDO regulators, each capable of delivering up to 1 A of output current. The device operates with a low dropout voltage, which makes it suitable for applications where efficiency is crucial, such as in battery-powered devices.
The TPS70445PWPR features fast transient response, low noise, and high ripple rejection, making it ideal for powering sensitive analog and digital circuits. It includes internal current limiting and thermal protection to enhance reliability and prevent damage due to overloading or overheating.
This device operates over a wide input voltage range and offers adjustable output voltages, providing flexibility for various applications. It is packaged in a PowerPAD™ package, which enhances heat dissipation, allowing it to handle higher power levels efficiently.
Typical applications for the TPS70445PWPR include telecommunications, computing, and portable electronics, where stable and efficient power regulation is required.

Features

The TPS70445PWPR is a dual-output voltage regulator from Texas Instruments, offering a combination of high power efficiency and robust performance. Key features include:
1. Dual Outputs: Provides two regulated output voltages, typically used for different system components.
2. High Output Current: Delivers up to 500 mA per output, suitable for powering various digital and analog loads.
3. Low Dropout Voltage: Ensures efficient operation even with low headroom, enhancing battery life in portable applications.
4. Fast Transient Response: Quickly responds to changes in load conditions, maintaining stable output voltage.
5. Adjustable Output: Allows customization of output voltage levels to match specific application requirements.
6. Power Good Indicator: Facilitates system power sequencing and monitoring.
7. Thermal Protection: Prevents damage from overheating by shutting down the regulator if thermal limits are exceeded.
8. Short-Circuit Protection: Safeguards the device and connected components by limiting output current during fault conditions.
9. Low Output Noise: Minimizes interference with sensitive circuits, ideal for noise-sensitive applications.
The TPS70445PWPR is suitable for a variety of applications, including telecom infrastructures, industrial equipment, and consumer electronics.

Package

The TPS70445PWPR is a dual-output low-dropout voltage regulator from Texas Instruments. It comes in a PowerPAD™ TSSOP (Thin Shrink Small Outline Package) with 20 pins, denoted by the "PWPR" in its part number. This package type helps in heat dissipation and is suitable for space-constrained applications.

Pinout

The TPS70445PWPR is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a PowerPAD™ package that has a total of 20 pins. This device is designed to provide two regulated output voltages with high accuracy and low dropout, making it suitable for applications requiring dual voltage rails.
Key functions of the TPS70445PWPR include:
1. Dual Output: The device features two independently regulated outputs, enabling it to supply power to different parts of a system with distinct voltage requirements.
2. Low Dropout Voltage: The LDO design ensures efficient operation with minimal voltage drop between input and output, enhancing power efficiency.
3. Power Management: It includes features such as power-up sequencing control, making it suitable for complex power management in embedded systems.
4. Thermal and Overcurrent Protection: The device is equipped with protection features to prevent damage due to overheating or overcurrent conditions.
This combination of features makes the TPS70445PWPR ideal for power supply applications in various electronics, including telecommunications, data processing, and industrial systems.

Manufacturer

The TPS70445PWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog chips and embedded processors. It is headquartered in Dallas, Texas, and is known for its innovations in the electronics industry. TI supplies components to a wide range of markets, including industrial, automotive, personal electronics, and communications equipment.

Application

The TPS70445PWPR is a dual-output low-dropout (LDO) voltage regulator from Texas Instruments, designed for applications requiring efficient power management. Its application areas include powering processors, ASICs, FPGAs, and other digital circuits in telecommunications, networking, industrial, and consumer electronics. It is ideal for systems needing precise voltage regulation, low noise, and fast transient response. Additionally, it's useful in battery-powered devices due to its low quiescent current and thermal shutdown protection features.

Equivalent

The TPS70445PWPR is a dual-output low-dropout (LDO) voltage regulator with supervisory functions. Equivalent products would include similar dual-output LDOs with comparable voltage ratings, current outputs, and features. Some potential equivalents are:
- Linear Technology LT1963 series
- Analog Devices ADM7160 series
- Microchip MCP1827 series
Ensure to compare specific electrical characteristics and package types to match your requirements.

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UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

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