TPS79718DCKR

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TPS79718DCKR

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IC REG LINEAR 1.8V 50MA SC-70-5

  • ПроизводительТехасские инструменты

  • Мфр. Часть #TPS79718DCKR

  • В наличии7387

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Спецификации

Атрибут Ценность
Part Status Active
Base Product Number TPS79718
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 1.8V
Current - Output 50mA
Current - Quiescent (Iq) 2 µA
PSRR 50dB (100Hz)
Control Features Power Good
Protection Features Over Current, Reverse Polarity
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package SC-70-5
Packaging Cut Tape (CT), Tape & Reel (TR)

Обзор

Description

The TPS79718DCKR is a low-dropout (LDO) voltage regulator from Texas Instruments, specifically designed for portable and battery-powered applications. It features a fixed output voltage of 1.8V with a maximum output current of 200mA. The device is part of the TPS797xx family and is known for its ultra-low quiescent current, typically around 1.2µA, which makes it highly efficient for use in low-power applications.
Key features of the TPS79718DCKR include its low dropout voltage, typically around 50mV at 200mA load, and its capability to maintain regulation over a wide input voltage range. The regulator also offers excellent line and load transient response, which ensures stable operation under varying power supply conditions and load demands.
The device comes in a small SOT-223 package, which is suitable for compact circuit designs. Additional features include thermal shutdown and current limit protection, enhancing the reliability and safety of the regulator in various application environments, such as smartphones, portable electronics, and other embedded systems.

Equivalent

The TPS79718DCKR is a low-dropout (LDO) voltage regulator by Texas Instruments. Equivalent products from other manufacturers can include:
1. Microchip MCP1700-1802E/MB: A low dropout, 250 mA linear regulator.
2. ON Semiconductor NCP551SQ18T1G: A low dropout regulator with similar specifications.
3. Analog Devices ADP3338-1.8: A precision low dropout linear regulator.
When selecting an equivalent, ensure compatibility in parameters like voltage output, current output, package type, and dropout voltage.

Features

The TPS79718DCKR is a low-dropout (LDO) voltage regulator by Texas Instruments. Here are its key features:
1. Output Voltage: It provides a fixed output voltage of 1.8V.
2. Low Dropout Voltage: Designed with a low dropout voltage to enhance efficiency, suitable for battery-operated devices.
3. Input Voltage Range: Operates over a wide input voltage range, typically from 2.7V to 5.5V.
4. Output Current: Capable of supplying up to 200mA of current.
5. Quiescent Current: Features ultra-low quiescent current (around 1.2µA), making it ideal for low-power applications.
6. PSRR: Offers high Power-Supply Rejection Ratio, improving performance in noisy environments.
7. Package: Available in a small SOT-6 package, which is space-efficient for compact designs.
8. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
9. Short-Circuit Protection: Safeguards against potential short-circuit conditions.
10. Stability: Utilizes ceramic capacitors for output stability.
These features make the TPS79718DCKR suitable for portable devices, battery-powered applications, and any project requiring efficient voltage regulation.

Pinout

The TPS79718DCKR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a 5-pin SOT-23 (DCK) package. Here is a brief overview of the pin functions:
1. IN: Input voltage pin. This pin receives the unregulated input voltage that the LDO will regulate.
2. GND: Ground pin. This is the common ground for the regulator and is used as a reference point for the output voltage.
3. NR/FB (Noise Reduction/Feedback): This pin can be used for noise reduction by connecting an external capacitor to ground, improving the power supply rejection ratio (PSRR) and transient response. It can also function as a feedback pin in adjustable versions.
4. OUT: Output voltage pin. This pin provides the regulated output voltage.
5. EN (Enable): Enable pin. It is used to enable or disable the regulator. Pulling this pin high enables the regulator, while pulling it low disables it, reducing power consumption.
The TPS79718DCKR is specifically designed to provide a 1.8V output with low quiescent current, making it suitable for battery-operated devices.

Manufacturer

The TPS79718DCKR is manufactured by Texas Instruments (TI), a well-known technology company. TI is a global semiconductor design and manufacturing company that develops analog chips and embedded processors. They cater to a wide range of industries, including automotive, industrial, personal electronics, and communications equipment. Texas Instruments is recognized for its innovation in producing high-quality electronic components that contribute to various applications in modern technology.

Application

The TPS79718DCKR is a low-dropout (LDO) voltage regulator. Key application areas include:
1. Portable Devices: Used in battery-powered equipment due to low quiescent current.
2. Medical Instruments: Supports precision electronics requiring stable voltage.
3. Consumer Electronics: Provides power regulation for devices like smartphones and tablets.
4. Industrial Equipment: Ensures reliable operation in various control systems.
5. Communication Devices: Used in wireless and RF applications for stable power supply.
6. Automotive Systems: Suitable for infotainment and control modules with stringent power requirements.
Its ability to deliver precise voltage regulation with low power consumption makes it versatile for many precision electronic applications.

Package

The TPS79718DCKR is a low-dropout voltage regulator from Texas Instruments, housed in a SC70-5 package.

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