LT3050EMSE-3.3#PBF

Product Overview

Category

The LT3050EMSE-3.3#PBF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• The LT3050EMSE-3.3#PBF is a low dropout linear regulator.
• It provides a fixed output voltage of 3.3V.
• It has a high power supply rejection ratio (PSRR) and low output noise.
• The device operates over a wide input voltage range, making it suitable for various applications.
• It offers excellent line and load regulation.

Package

The LT3050EMSE-3.3#PBF comes in a surface-mount package known as MSOP-10.

Essence

The essence of the LT3050EMSE-3.3#PBF is to provide a stable and regulated output voltage of 3.3V for electronic devices.

Packaging/Quantity

The LT3050EMSE-3.3#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 45V
• Output Voltage: 3.3V
• Dropout Voltage: 340mV at 500mA Load
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Power Supply Rejection Ratio (PSRR): 70dB at 1kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3050EMSE-3.3#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SHDN: Shutdown control pin (active low)
4. VOUT: Output voltage pin

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Excellent line and load regulation ensures a stable output voltage under varying conditions.
• High PSRR minimizes the impact of power supply noise on the output voltage.
• Shutdown control feature enables power-saving mode when not in use.

Advantages and Disadvantages

Advantages

• Wide input voltage range makes it versatile for various applications.
• Low output noise ensures clean power supply to sensitive electronic components.
• Compact MSOP-10 package allows for space-efficient PCB design.
• Shutdown control feature helps conserve power when the device is not in use.

Disadvantages

• The LT3050EMSE-3.3#PBF has a relatively high quiescent current compared to some other voltage regulators.
• It may not be suitable for applications requiring higher output voltages.

Working Principles

The LT3050EMSE-3.3#PBF operates as a linear regulator, using a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.3V.

Detailed Application Field Plans

The LT3050EMSE-3.3#PBF finds applications in various fields, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics, such as smartphones, tablets, and wearables.
2. Industrial automation: Used in control systems, sensors, and actuators to ensure stable power supply.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication equipment: Provides clean power for routers, switches, and wireless access points.
5. Medical devices: Ensures precise and reliable power supply for medical instruments and implants.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular low dropout linear regulator with similar specifications.
2. LT1763-3.3: Another high-performance 3.3V linear regulator suitable for various applications.
3. TPS7A3301: A low-noise, low-dropout voltage regulator with a fixed output of 3.3V.

These alternative models offer similar functionality and can be considered as alternatives to the LT3050EMSE-3.3#PBF depending on specific requirements.

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