LT1965EQ-1.8#PBF

Product Overview

Category

The LT1965EQ-1.8#PBF belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Wide input voltage range
• Low quiescent current
• Thermal shutdown protection

Package

The LT1965EQ-1.8#PBF comes in a small surface-mount package.

Essence

The essence of the LT1965EQ-1.8#PBF is its ability to provide a stable and regulated output voltage, even when the input voltage varies.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 250 or 1000 units per package.

Specifications

• Output Voltage: 1.8V
• Input Voltage Range: 2.3V to 20V
• Dropout Voltage: 340mV at 1A load
• Quiescent Current: 40µA
• Maximum Output Current: 1.1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1965EQ-1.8#PBF has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
• High output current capability allows for powering a wide range of electronic devices.
• Wide input voltage range provides flexibility in various applications.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage.
• Wide input voltage range.
• Low dropout voltage.
• High output current capability.
• Thermal shutdown protection.

Disadvantages

• Limited output voltage options (fixed at 1.8V).
• Requires external components for proper operation.

Working Principles

The LT1965EQ-1.8#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, even when the input voltage fluctuates.

Detailed Application Field Plans

The LT1965EQ-1.8#PBF finds applications in various electronic devices and systems, including:

1. Battery-powered devices: Provides stable voltage for microcontrollers, sensors, and other low-power components.
2. Audio amplifiers: Ensures a consistent power supply for high-quality audio reproduction.
3. Industrial control systems: Regulates voltage for control circuits and sensors.
4. Automotive electronics: Stabilizes voltage for automotive modules and subsystems.
5. Communication equipment: Maintains a steady power source for transceivers and signal processing units.

Detailed and Complete Alternative Models

1. LT1763: Similar voltage regulator with adjustable output voltage.
2. LM1117: Fixed voltage regulator with various output voltage options.
3. ADP3339: Low dropout voltage regulator with high output current capability.
4. TPS7A47: Ultra-low noise voltage regulator suitable for sensitive analog circuits.
5. MAX603: Voltage reference and regulator in one package.

These alternative models offer similar functionality and can be considered as substitutes for the LT1965EQ-1.8#PBF depending on specific requirements.

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