LT3088IST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High voltage, low dropout linear regulator
  • Adjustable output voltage
  • Low quiescent current
  • Thermal shutdown protection
• Package: TO-220
• Essence: Provides stable and regulated output voltage for various electronic devices
• Packaging/Quantity: Available in reels of 250 units

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 34.5V
• Maximum Output Current: 1.1A
• Dropout Voltage: 350mV
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3088IST has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND ADJ |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• ADJ: Adjust pin (used to set the desired output voltage)

Functional Features

• High accuracy and stability in regulating output voltage
• Wide input voltage range allows for versatile applications
• Low dropout voltage enables efficient power conversion
• Thermal shutdown protection prevents overheating and damage

Advantages

• Adjustable output voltage provides flexibility for different applications
• Low quiescent current minimizes power consumption
• Thermal shutdown protection ensures device safety
• High voltage capability suits a wide range of electronic devices

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• TO-220 package may require additional heat sinking for certain operating conditions

Working Principles

The LT3088IST is a high voltage, low dropout linear regulator. It operates by comparing the output voltage to a reference voltage and adjusting the pass transistor accordingly. This feedback loop ensures that the output voltage remains stable even with varying input voltages and load conditions. The device also incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Detailed Application Field Plans

The LT3088IST can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for portable electronics, ensuring consistent performance throughout the battery life.
2. Automotive electronics: Stabilizes voltage supply for automotive systems, preventing damage from voltage fluctuations.
3. Industrial equipment: Enables precise voltage regulation in industrial machinery, enhancing reliability and efficiency.
4. Communication systems: Maintains stable voltage levels in communication devices, improving signal quality and transmission range.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with similar characteristics and pin configuration.
2. LT1086: Low dropout positive voltage regulator suitable for various applications.
3. LM7805: Fixed 5V voltage regulator commonly used in electronic circuits.

These alternative models offer similar functionality and can be considered as substitutes for the LT3088IST depending on specific requirements.

In conclusion, the LT3088IST is a versatile voltage regulator IC that provides stable and regulated output voltage for a wide range of electronic devices. Its adjustable output voltage, low quiescent current, and thermal shutdown protection make it an ideal choice for various applications. However, its limited maximum output current and TO-220 package may have certain limitations in high-power scenarios.