LP3985IM5X-3.3

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LP3985IM5X-3.3

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IC REG LINEAR 3.3V 150MA SOT23-5

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.1V @ 150mA
Current-Output 150mA
Current-Quiescent(Iq) 150 µA
Current-Supply(Max) 250 µA
PSRR 50dB ~ 40dB (1kHz ~ 10kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Visão Geral

Description

The LP3985IM5X-3.3 is a fixed output, low dropout (LDO) voltage regulator from Texas Instruments, designed to provide a stable 3.3V output. It's part of the LP3985 series, known for its low noise and high power supply rejection ratio (PSRR), making it ideal for noise-sensitive applications. This device features a low dropout voltage, typically around 280 mV at full load, which allows it to maintain regulation with minimal input-output voltage differential.
The LP3985IM5X-3.3 supports a wide input voltage range, typically from 2.5V to 6V, and can deliver up to 150 mA of output current. It is packaged in a compact SOT-23-5 package, making it suitable for space-constrained designs. Additional features include thermal shutdown and current limit protection, ensuring device reliability and robustness against over-temperature and over-current conditions. The regulator is often used in portable and battery-powered devices, where its efficiency and low quiescent current (around 30 µA) help extend battery life.

Equivalent

The LP3985IM5X-3.3 is a low-dropout (LDO) voltage regulator providing a fixed 3.3V output. Equivalent products could include the AMS1117-3.3, MIC5205-3.3, and the TPS79333 from Texas Instruments. These components should have similar output voltage, dropout voltage, and current specifications. Always verify the electrical characteristics and pin configurations before substitution to ensure compatibility with your application.

Features

The LP3985IM5X-3.3 is a low-dropout (LDO) linear voltage regulator designed for efficiency and precision in power management applications. It features a fixed output voltage of 3.3V and is capable of delivering up to 150 mA of output current. Key features of the LP3985IM5X-3.3 include:
1. Low Dropout Voltage: This allows for efficient operation close to the input voltage, conserving power in battery-operated devices.
2. Low Quiescent Current: It consumes minimal power when idle, enhancing battery life in portable applications.
3. High PSRR (Power Supply Rejection Ratio): Ensures stable performance even with varying input voltages and noise.
4. Thermal and Short-Circuit Protection: Protects the device and connected components from damage due to overheating or excessive current.
5. Small Footprint: Offered in a compact SOT-23-5 package, making it suitable for space-constrained designs.
These features make the LP3985IM5X-3.3 ideal for use in battery-powered devices, smartphones, portable electronics, and other applications requiring efficient voltage regulation.

Pinout

The LP3985IM5X-3.3 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It typically comes in a SOT-23-5 package, which has 5 pins. Here are the pin functions:
1. IN: Input voltage pin where the unregulated input voltage is supplied.
2. GND: Ground pin, which serves as the reference point for the regulator.
3. EN (Enable): Enable pin that allows the regulator to be turned on or off. Driving this pin high enables the device, while driving it low puts it into shutdown mode.
4. BP (Bypass): Bypass pin for connecting an external capacitor to reduce output noise.
5. OUT: Output voltage pin where the regulated output voltage (3.3V in this variant) is provided.
These pins work together to deliver a stable 3.3V output, ideal for powering low-voltage digital circuits with minimal power loss.

Manufacturer

The LP3985IM5X-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas. It is one of the largest semiconductor companies in the world and is well-known for designing and manufacturing a wide range of semiconductor products, including integrated circuits, embedded processors, and analog chips. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its emphasis on innovation and development of electronic components that contribute to advanced technological solutions.

Application

The LP3985IM5X-3.3 is a low-dropout (LDO) voltage regulator that provides a stable 3.3V output. Its application areas include:
1. Portable Devices: Suitable for smartphones, tablets, and other battery-powered devices due to its low quiescent current.
2. Wearable Technology: Ideal for smartwatches and fitness trackers where power efficiency is crucial.
3. IoT Devices: Used in sensors and modules requiring reliable power supply regulation.
4. Consumer Electronics: Applicable in cameras, audio equipment, and handheld devices.
5. Communication Equipment: Supports circuitry in wireless applications where space-saving is important.
These applications benefit from its small package, low noise, and efficient power regulation.

Package

The LP3985IM5X-3.3 is a low-dropout (LDO) linear regulator packaged in a SOT-23-5 configuration. This is a small, surface-mount package commonly used for compact designs, offering efficient thermal performance and easy integration into various electronic circuits.

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