LT1585CM-1.5#PBF

Product Overview

Category

The LT1585CM-1.5#PBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• The LT1585CM-1.5#PBF is a low dropout (LDO) linear voltage regulator.
• It has a fixed output voltage of 1.5V.
• The package type for this product is CM, which refers to a surface-mount package.
• The essence of this product lies in its ability to provide a stable and regulated output voltage despite fluctuations in the input voltage.

Packaging/Quantity

The LT1585CM-1.5#PBF is typically available in reel packaging, with a specified quantity per reel.

Specifications

• Input Voltage Range: 2.5V to 7V
• Output Voltage: 1.5V
• Dropout Voltage: 400mV at 3A
• Maximum Output Current: 3A
• Line Regulation: ±0.015% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to 125°C
• Package Type: CM (Surface Mount)

Detailed Pin Configuration

The LT1585CM-1.5#PBF has three pins:

1. VIN: This pin is used to connect the input voltage source.
2. VOUT: This pin provides the regulated output voltage of 1.5V.
3. GND: This pin is connected to the ground reference.

Functional Features

• Low dropout voltage: The LT1585CM-1.5#PBF 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 capability: With a maximum output current of 3A, this voltage regulator can handle high load currents.
• Excellent line and load regulation: The LT1585CM-1.5#PBF maintains stable output voltage levels even when there are variations in the input voltage or changes in the load.

Advantages and Disadvantages

Advantages

• Provides a stable and regulated output voltage.
• Low dropout voltage ensures efficient regulation.
• High output current capability allows for use in various applications.
• Excellent line and load regulation for reliable performance.

Disadvantages

• Limited to fixed output voltage of 1.5V.
• Requires external components for proper operation.

Working Principles

The LT1585CM-1.5#PBF operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a constant output voltage despite fluctuations in the input voltage.

Detailed Application Field Plans

The LT1585CM-1.5#PBF finds application in various electronic systems that require a stable and regulated 1.5V power supply. Some common application fields include:

1. Battery-powered devices: This voltage regulator can be used in portable electronic devices such as smartphones, tablets, and wearable devices.
2. Embedded systems: It is suitable for powering microcontrollers, sensors, and other components in embedded systems.
3. Industrial automation: The LT1585CM-1.5#PBF can be utilized in industrial control systems, motor drives, and PLCs.
4. Automotive electronics: It can be employed in automotive applications like infotainment systems, navigation devices, and engine control units.

Detailed and Complete Alternative Models

1. LT1763: A low dropout linear voltage regulator with adjustable output voltage.
2. LM1117: A popular fixed-output voltage regulator available in various voltage options.
3. ADP3339: An ultra-low dropout linear voltage regulator with high output current capability.

These alternative models offer similar functionality and can be considered as substitutes for the LT1585CM-1.5#PBF, depending on specific requirements.

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