LT1963AEST-2.5#PBF

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LT1963AEST-2.5#PBF

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IC REG LINEAR 2.5V 1.5A SOT223-3

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Especificações

Atributo Valor
Package Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 20V
Voltage-Output(Min/Fixed) 2.5V
VoltageDropout(Max) 0.55V @ 1.5A
Current-Output 1.5A
Current-Quiescent(Iq) 1.5 mA
Current-Supply(Max) 120 mA
PSRR 63dB (120Hz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

Visão Geral

Description

The LT1963AEST-2.5#PBF is a low-dropout (LDO) linear voltage regulator designed by Analog Devices, initially under the Linear Technology brand. It delivers a fixed output voltage of 2.5V and can supply up to 1.5A of output current. The device operates with a low dropout voltage of approximately 340mV at full load, making it efficient for applications where power efficiency and thermal performance are important.
Key features include a fast transient response, low noise operation, and precise output voltage regulation, characteristics that make it suitable for powering sensitive electronic components like microcontrollers and communication systems. The LT1963AEST-2.5#PBF also includes protections such as current limiting and thermal shutdown to safeguard against overload conditions.
Packaged in a thermally enhanced SOIC-8, it offers ease of use and effective heat dissipation. It is often used in applications that require stable voltage under varying load conditions, such as in portable devices, industrial equipment, and telecommunications infrastructure. The "#PBF" suffix indicates that the device is lead-free and RoHS compliant.

Equivalent

The LT1963AEST-2.5#PBF is a low-dropout (LDO) linear voltage regulator. Equivalent products include:
1. LM1117-2.5 from Texas Instruments
2. MIC29302-2.5WT from Microchip Technology
3. NCP1117DT25 from ON Semiconductor
These alternatives have similar output voltage ratings and performance characteristics. However, always check specific parameters and pin configurations to ensure compatibility with your application.

Features

The LT1963AEST-2.5#PBF is a low dropout (LDO) linear regulator. Key features include:
1. Output Voltage: Fixed at 2.5V.
2. Current Capability: Can deliver up to 1.5A output current.
3. Dropout Voltage: Low dropout voltage of 340mV at full load, enhancing efficiency.
4. Stability: Stable with ceramic capacitors as small as 10µF.
5. Fast Transient Response: Quickly responds to changes in load current.
6. Low Noise: Produces low output noise of approximately 40µVRMS.
7. Protection: Offers protection features like overcurrent and thermal shutdown.
8. Quiescent Current: Low quiescent current which is beneficial for battery-powered applications.
9. Operating Temperature Range: Typically from -40°C to 125°C, suitable for various environments.
10. Package: Available in a small SOT-223 package, making it suitable for space-constrained applications.
These features make the LT1963AEST-2.5#PBF an efficient choice for applications requiring a stable 2.5V power supply with low dropout and noise performance.

Pinout

The LT1963AEST-2.5#PBF is a low dropout (LDO) linear regulator. It comes in a 5-lead SOT-223 package. Here are the pin functions:
1. Input (Pin 1): This is the input pin for the regulator. A capacitor may be needed for stability when connecting this pin to the power source.
2. Ground (Pin 2): The ground pin, which is the common return path of the circuit. It should be connected to the system ground.
3. Output (Pin 3): This is the output pin where the regulated voltage is provided. It usually requires an output capacitor for stability.
4. Adjust (Pin 4): This pin is used to set the output voltage, but for the fixed 2.5V version, it is internally connected and typically not used for adjustment.
5. Tab (Pin 5): The tab is internally connected to the ground, which can be used for heat dissipation.
The LT1963AEST-2.5#PBF is specifically configured to provide a fixed 2.5V output with high efficiency and low dropout voltage.

Manufacturer

The LT1963AEST-2.5#PBF is manufactured by Analog Devices, Inc. This company is a multinational semiconductor company that designs, manufactures, and markets a broad portfolio of products, including analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices is known for its focus on high-performance analog and digital signal processing technology, which is used in various applications across industries such as automotive, communications, consumer electronics, healthcare, and industrial sectors. The product in question, the LT1963AEST-2.5#PBF, is a low dropout linear regulator, which is part of their power management solutions.

Application

The LT1963AEST-2.5#PBF is a low-dropout (LDO) linear voltage regulator. Its application areas include powering microcontrollers, digital signal processors (DSPs), and other digital logic circuits where a stable 2.5V power supply is required. It is also suitable for use in portable electronics, battery-powered devices, and systems requiring low noise and fast transient response. Additionally, it can be used in post-regulation of switching power supplies, telecom equipment, and industrial control systems. Its low dropout voltage makes it ideal for applications where the input voltage is close to the output voltage.

Package

The LT1963AEST-2.5#PBF is in a SOT-223 package.

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