LT1965IDD-1.5#PBF

Product Overview

Category

The LT1965IDD-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

• High precision: The LT1965IDD-1.5#PBF offers a high level of voltage regulation accuracy.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low noise: This voltage regulator minimizes electrical noise, ensuring clean power supply to sensitive components.
• Thermal shutdown protection: It includes built-in protection mechanisms to prevent overheating.

Package

The LT1965IDD-1.5#PBF comes in a small surface-mount package, allowing for easy integration into circuit boards.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The LT1965IDD-1.5#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.3V to 20V
• Output Voltage: 1.5V
• Maximum Output Current: 1.1A
• Dropout Voltage: 340mV at 1A Load
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1965IDD-1.5#PBF has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The LT1965IDD-1.5#PBF maintains a constant output voltage of 1.5V, regardless of changes in the input voltage or load conditions.
• Current Limiting: It incorporates current limiting circuitry to protect the device and the connected components from excessive current.
• Short-Circuit Protection: In the event of a short circuit, the LT1965IDD-1.5#PBF shuts down to prevent damage to the circuit.
• Thermal Shutdown: If the temperature exceeds a safe threshold, the regulator automatically shuts down to avoid overheating.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable power supply to sensitive components.
• Low dropout voltage enables efficient operation even with low input voltages.
• Low noise output minimizes interference with other circuitry.
• Thermal shutdown protection prevents overheating and potential damage.

Disadvantages

• Limited output current capacity (1.1A) may not be suitable for high-power applications.
• Requires external capacitors for stability, adding complexity to the circuit design.

Working Principles

The LT1965IDD-1.5#PBF operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.5V. By continuously monitoring and adjusting, it compensates for variations in the input voltage and load conditions, ensuring a stable output.

Detailed Application Field Plans

The LT1965IDD-1.5#PBF finds applications in various electronic devices and systems, including:

1. Battery-powered devices: It provides regulated power supply to microcontrollers, sensors, and other low-power components.
2. Audio equipment: The low noise output makes it suitable for audio amplifiers and signal processing circuits.
3. Communication systems: It ensures stable voltage supply to RF modules, transceivers, and other communication components.
4. Industrial automation: It can be used in control systems, motor drivers, and other industrial applications requiring precise voltage regulation.

Detailed and Complete Alternative Models

1. LM1117-1.5: A popular alternative with similar specifications and pin configuration.
2. LT1763-1.5: Offers higher output current capacity and lower dropout voltage compared to the LT1965IDD-1.5#PBF.
3. ADP3339-1.5: Provides excellent line and load regulation, suitable for demanding applications.

These alternative models offer different trade-offs in terms of performance, cost, and package options, allowing designers to choose the most suitable option for their specific requirements.

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