LT3088MPST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output, current limiting, thermal shutdown
• Package: TO-220, TO-263, DDPAK, SO-8
• Essence: Linear Technology's LT3088 is a high-performance, low dropout voltage regulator designed for various applications.
• Packaging/Quantity: Available in tape and reel packaging with 1000 units per reel.

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 34.5V
• Output Current: Up to 800mA
• Dropout Voltage: 350mV at 800mA load
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 1.5mA typical
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3088MPST has the following pin configuration:

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| | --| VOUT |-- --| ADJ |-- --| VIN |-- --| GND |-- |_______| ```

Functional Features

1. High Precision: The LT3088 provides excellent line and load regulation, ensuring accurate output voltage.
2. Low Dropout Voltage: With a dropout voltage as low as 350mV, it can regulate even when the input voltage is close to the desired output voltage.
3. Adjustable Output: The output voltage can be easily adjusted using an external resistor divider network.
4. Current Limiting: The LT3088 incorporates current limiting circuitry to protect the load and regulator from excessive currents.
5. Thermal Shutdown: It features a built-in thermal shutdown mechanism that protects the device from overheating.

Advantages and Disadvantages

Advantages: - High precision regulation - Low dropout voltage - Adjustable output voltage - Current limiting protection - Thermal shutdown protection

Disadvantages: - Limited output current (up to 800mA)

Working Principles

The LT3088 is a linear voltage regulator that uses a PNP 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. The device operates in a constant current mode, providing excellent line and load regulation.

Detailed Application Field Plans

The LT3088MPST can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Industrial control systems 3. Automotive electronics 4. Portable instruments 5. Communication equipment

Alternative Models

1. LT3088EST: TO-220 package, adjustable output voltage, 1000 units per reel.
2. LT3088IDDPBF: DDPAK package, adjustable output voltage, 250 units per reel.
3. LT3088IS8#PBF: SO-8 package, adjustable output voltage, 1500 units per reel.

These alternative models offer similar functionality and characteristics as the LT3088MPST.

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