LT3032EDE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Low Noise - High PSRR (Power Supply Rejection Ratio) - Adjustable Output Voltage - Current Limit Protection - Thermal Shutdown Protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The LT3032EDE#TRPBF is a voltage regulator IC that provides a stable output voltage with low dropout and noise. It is commonly used in various electronic devices to regulate the voltage supplied to sensitive components.

Packaging/Quantity: The LT3032EDE#TRPBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 1.8V to 20V
• Output Voltage Range: 0.6V to 19.5V
• Dropout Voltage: 300mV at 200mA Load
• Output Current: Up to 200mA
• Quiescent Current: 40µA
• PSRR: 70dB at 1kHz
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3032EDE#TRPBF has a total of 8 pins arranged as follows:

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| | --| VIN VOUT |-- --| GND NC |-- |___________| ```

• VIN: Input Voltage Pin
• VOUT: Output Voltage Pin
• GND: Ground Pin
• NC: No Connection Pin

Functional Features

1. Low Dropout Voltage: The LT3032EDE#TRPBF has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. Low Noise: This voltage regulator IC is designed to minimize output voltage noise, ensuring a clean and stable power supply for sensitive components.

3. High PSRR: The LT3032EDE#TRPBF exhibits high Power Supply Rejection Ratio, which means it can effectively reject variations in the input voltage, providing a stable output voltage.

4. Adjustable Output Voltage: The output voltage of the LT3032EDE#TRPBF can be adjusted within a specified range, making it versatile for various applications.

5. Current Limit Protection: The IC incorporates current limit protection, preventing excessive current flow that could damage the device or connected components.

6. Thermal Shutdown Protection: To prevent overheating, the LT3032EDE#TRPBF includes thermal shutdown protection, automatically shutting down the device if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - Low noise output for sensitive applications - High PSRR provides stable output voltage despite input voltage variations - Adjustable output voltage for versatility - Current limit and thermal shutdown protection for device and component safety

Disadvantages: - Limited output current capacity (up to 200mA) - Not suitable for high-power applications

Working Principles

The LT3032EDE#TRPBF operates as a linear voltage regulator. It takes an input voltage from the VIN pin and regulates it to provide a stable output voltage at the VOUT pin. The internal circuitry of the IC maintains the desired output voltage by adjusting the current flow through a pass transistor.

Detailed Application Field Plans

The LT3032EDE#TRPBF finds applications in various electronic devices where a stable and regulated power supply is required. Some common application fields include:

1. Portable Electronics: The IC can be used in smartphones, tablets, portable media players, and other battery-powered devices to regulate the voltage supplied to the internal circuitry.

2. Wireless Communication Systems: It can be employed in wireless routers, access points, and communication modules to ensure a stable power supply for reliable operation.

3. Industrial Control Systems: The LT3032EDE#TRPBF can be utilized in industrial control systems, PLCs (Programmable Logic Controllers), and automation equipment to provide regulated power to critical components.

4. Medical Devices: It finds applications in medical devices such as patient monitors, infusion pumps, and diagnostic equipment, where precise and noise-free power supply is crucial.

Detailed and Complete Alternative Models

1. LT1763: Another voltage regulator IC from Linear Technology Corporation, offering similar features and performance as the LT3032EDE#TRPBF.

2. LM317: A popular adjustable linear voltage regulator IC from Texas Instruments, widely used in various electronic applications.

3. **ADP3339