LT3085MPMS8E#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output voltage, current limiting, thermal shutdown
• Package: MSOP-8
• Essence: Linear Technology voltage regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 34.5V
• Output Current: Up to 500mA
• Dropout Voltage: 350mV at 500mA load
• Line Regulation: 0.02% typical
• Load Regulation: 0.04% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3085MPMS8E#TRPBF package has the following pin configuration:

1. ADJ: Adjustable Output Voltage Pin
2. IN: Input Voltage Pin
3. GND: Ground Pin
4. OUT: Output Voltage Pin
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• High precision voltage regulation
• Low dropout voltage for efficient operation
• Adjustable output voltage for flexibility
• Current limiting to protect connected devices
• Thermal shutdown to prevent overheating

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures stable output - Low dropout voltage allows for efficient power conversion - Adjustable output voltage provides versatility in various applications - Current limiting protects connected devices from excessive current - Thermal shutdown prevents overheating and damage

Disadvantages: - Limited output current of up to 500mA - Requires external components for proper operation

Working Principles

The LT3085MPMS8E#TRPBF is a linear voltage regulator that regulates the output voltage based on the difference between the input and desired output voltage. It uses a pass transistor to control the output voltage by adjusting the resistance between the input and output pins. The adjustable output voltage feature allows users to set the desired voltage level within the specified range.

The device also incorporates current limiting and thermal shutdown features to protect both the regulator and connected devices. Current limiting prevents excessive current flow, while thermal shutdown activates when the temperature exceeds a safe threshold, preventing damage due to overheating.

Detailed Application Field Plans

The LT3085MPMS8E#TRPBF is commonly used in various applications, including:

1. Power supplies: Provides regulated voltage for electronic circuits, ensuring stable operation.
2. Battery-powered devices: Regulates battery voltage to a constant level, extending the lifespan of connected devices.
3. Automotive electronics: Ensures stable voltage supply for automotive systems, preventing damage from voltage fluctuations.
4. Industrial equipment: Used in control systems, sensors, and other industrial applications requiring precise voltage regulation.
5. Audio amplifiers: Provides clean and stable power supply for audio amplification circuits, reducing noise and distortion.

Detailed and Complete Alternative Models

1. LT3080: Similar voltage regulator with higher output current capability (up to 1.1A).
2. LM317: Widely used adjustable voltage regulator with a lower dropout voltage but limited output current (up to 1.5A).
3. LT1763: Low dropout voltage regulator with fixed output voltage options and higher output current (up to 3A).

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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