LT3091MPDE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Shutdown Protection

Package: DFN-10

Essence: The LT3091MPDE#TRPBF is a voltage regulator IC designed to provide a stable output voltage from a higher input voltage. It offers low dropout voltage, high output current capability, and adjustable output voltage, making it suitable for various applications.

Packaging/Quantity: The LT3091MPDE#TRPBF is available in a DFN-10 package. It is typically sold in reels or tubes containing a specific quantity of units.

Specifications

The LT3091MPDE#TRPBF has the following specifications:

• Input Voltage Range: 1.2V to 40V
• Output Voltage Range: 0.6V to 36V
• Dropout Voltage: 300mV at 1A Load
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3091MPDE#TRPBF features a DFN-10 package with the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The LT3091MPDE#TRPBF exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current: With a maximum output current of 1.5A, this voltage regulator can handle high current loads.
• Adjustable Output Voltage: The output voltage of the LT3091MPDE#TRPBF can be adjusted within a wide range, providing flexibility for different applications.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with small input-output voltage differentials. - High output current capability allows for powering demanding loads. - Adjustable output voltage provides versatility for various applications. - Thermal shutdown protection prevents overheating and potential damage.

Disadvantages: - Limited number of pins may restrict the number of external components that can be connected directly to the IC. - Requires careful heat dissipation considerations when operating at high currents or in high-temperature environments.

Working Principles

The LT3091MPDE#TRPBF operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltages. The internal circuitry ensures stable output voltage by adjusting the pass transistor's characteristics.

Detailed Application Field Plans

The LT3091MPDE#TRPBF finds applications in various fields, including:

1. Power Supply Design: It can be used to regulate voltage in power supply circuits, ensuring a stable and reliable power source for other components.
2. Battery-Powered Devices: The voltage regulator is suitable for battery-powered devices, maintaining a constant voltage level as the battery discharges.
3. Embedded Systems: It can be employed in embedded systems to provide regulated voltage for microcontrollers, sensors, and other components.
4. Automotive Electronics: The LT3091MPDE#TRPBF can be utilized in automotive electronics to regulate voltage for various subsystems, such as infotainment systems and lighting.

Detailed and Complete Alternative Models

1. LT3080: Similar to the LT3091MPDE#TRPBF, the LT3080 is a voltage regulator IC with adjustable output voltage and high output current capability.
2. LM317: The LM317 is a popular linear voltage regulator IC that offers adjustable output voltage and can handle moderate output currents.
3. LDO50V: The LDO50V is a low dropout voltage regulator IC designed for applications requiring high input-output voltage differentials.

These alternative models provide similar functionality to the LT3091MPDE#TRPBF and can be considered based on specific requirements and constraints.

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