LT3050MPMSE-3.3#PBF

Product Overview

Category

The LT3050MPMSE-3.3#PBF belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 45V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 340mV at 500mA
• Low Quiescent Current: 30μA
• Adjustable Soft-Start
• Thermal Shutdown Protection
• Short-Circuit Protection

Package

The LT3050MPMSE-3.3#PBF comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, even when the input voltage varies.

Packaging/Quantity

The LT3050MPMSE-3.3#PBF is typically packaged in reels and is available in quantities suitable for both prototyping and production purposes.

Specifications

• Input Voltage Range: 2.7V to 45V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 340mV at 500mA
• Quiescent Current: 30μA
• Soft-Start Time: Adjustable
• Thermal Shutdown Temperature: 150°C
• Short-Circuit Current Limit: 1.5A

Detailed Pin Configuration

The LT3050MPMSE-3.3#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. SET: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Adjustable soft-start feature prevents excessive inrush current.
• Thermal shutdown protection prevents overheating.
• Short-circuit protection safeguards the circuit from damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage minimizes power dissipation.
• Adjustable soft-start feature protects sensitive components during power-up.
• Thermal shutdown and short-circuit protection enhance reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Surface-mount package may require specialized equipment for soldering.

Working Principles

The LT3050MPMSE-3.3#PBF operates based on a linear regulator architecture. It uses a feedback mechanism to maintain a constant output voltage, regardless of variations in the input voltage or load conditions. The internal circuitry adjusts the pass transistor to regulate the output voltage at the desired level.

Detailed Application Field Plans

The LT3050MPMSE-3.3#PBF finds applications in various fields, including:

1. Portable electronic devices: Provides stable power supply for battery-powered devices such as smartphones, tablets, and portable audio players.
2. Industrial automation: Regulates voltage in control systems, sensors, and actuators.
3. Automotive electronics: Ensures reliable power delivery to automotive modules and subsystems.
4. Communication systems: Used in base stations, routers, and network switches to maintain consistent voltage levels.

Detailed and Complete Alternative Models

1. LT1763: Similar voltage regulator with adjustable output voltage and higher maximum output current.
2. LM1117: Fixed output voltage regulator with a wide input voltage range and low dropout voltage.
3. ADP3339: High-precision voltage regulator with low quiescent current and thermal shutdown protection.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the LT3050MPMSE-3.3#PBF is a voltage regulator with a wide input voltage range, low dropout voltage, and various protective features. It finds applications in portable electronic devices, industrial automation, automotive electronics, and communication systems. Alternative models such as LT1763, LM1117, and ADP3339 provide additional options for voltage regulation in different scenarios.