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LT1965EQ-1.8#PBF
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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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LT1965EQ-1.8#PBF in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LT1965EQ-1.8#PBF in technical solutions:

Q1: What is the LT1965EQ-1.8#PBF? A1: The LT1965EQ-1.8#PBF is a low dropout (LDO) linear regulator IC that provides a fixed output voltage of 1.8V.

Q2: What is the input voltage range for the LT1965EQ-1.8#PBF? A2: The input voltage range for the LT1965EQ-1.8#PBF is typically between 2.5V and 20V.

Q3: What is the maximum output current of the LT1965EQ-1.8#PBF? A3: The LT1965EQ-1.8#PBF can provide a maximum output current of up to 1.1A.

Q4: What is the dropout voltage of the LT1965EQ-1.8#PBF? A4: The dropout voltage of the LT1965EQ-1.8#PBF is typically around 300mV at full load.

Q5: Is the LT1965EQ-1.8#PBF suitable for battery-powered applications? A5: Yes, the LT1965EQ-1.8#PBF is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

Q6: Can the LT1965EQ-1.8#PBF handle high input voltages? A6: Yes, the LT1965EQ-1.8#PBF can handle input voltages as high as 20V, making it suitable for a wide range of applications.

Q7: Does the LT1965EQ-1.8#PBF require any external components for operation? A7: Yes, the LT1965EQ-1.8#PBF requires a few external components such as input and output capacitors for stability.

Q8: What is the typical output voltage accuracy of the LT1965EQ-1.8#PBF? A8: The typical output voltage accuracy of the LT1965EQ-1.8#PBF is ±2%.

Q9: Can the LT1965EQ-1.8#PBF handle thermal overload? A9: Yes, the LT1965EQ-1.8#PBF has built-in thermal shutdown protection to prevent damage from excessive heat.

Q10: Is the LT1965EQ-1.8#PBF available in different package options? A10: Yes, the LT1965EQ-1.8#PBF is available in various package options, including TO-220, SOT-223, and DFN, to suit different application requirements.

Please note that these answers are general and may vary depending on the specific datasheet and application guidelines provided by the manufacturer.