LT1965ET-1.5#PBF

Product Overview

Category

The LT1965ET-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 LT1965ET-1.5#PBF is a low dropout (LDO) linear regulator.
• It operates with an input voltage range of 1.8V to 20V.
• The output voltage is fixed at 1.5V.
• It has a maximum output current of 1.1A.
• This regulator offers high accuracy and low noise performance.
• It is designed to provide excellent load and line regulation.

Package

The LT1965ET-1.5#PBF comes in a small surface-mount package, known as the TO-220.

Essence

The essence of this product lies in its ability to maintain a stable and precise output voltage despite variations in the input voltage and load conditions.

Packaging/Quantity

The LT1965ET-1.5#PBF is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 1.8V - 20V
• Output Voltage: 1.5V
• Maximum Output Current: 1.1A
• Dropout Voltage: 340mV @ 1A
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1965ET-1.5#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: The LT1965ET-1.5#PBF exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High accuracy: This regulator provides precise and stable output voltage, making it suitable for applications requiring tight voltage tolerances.
• Low quiescent current: With a quiescent current of only 40µA, the LT1965ET-1.5#PBF minimizes power consumption in standby or low-load conditions.
• Thermal shutdown protection: The device incorporates thermal shutdown circuitry to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Excellent load and line regulation.
• Low dropout voltage.
• High accuracy and stability.
• Low quiescent current.
• Thermal shutdown protection.

Disadvantages

• Fixed output voltage may limit flexibility in certain applications.
• Limited maximum output current compared to some other regulators.

Working Principles

The LT1965ET-1.5#PBF operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.5V. By continuously monitoring and adjusting the voltage, it compensates for variations in the input voltage and load conditions, ensuring a stable and regulated output.

Detailed Application Field Plans

The LT1965ET-1.5#PBF finds applications in various electronic systems that require a stable and precise 1.5V power supply. Some common application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices often require a regulated 1.5V supply for powering low-power components.
2. Industrial control systems: The LT1965ET-1.5#PBF can be used in industrial automation, robotics, and control systems that require a reliable voltage source for powering sensors, actuators, and microcontrollers.
3. Automotive electronics: It can be employed in automotive applications where a stable 1.5V supply is needed for powering sensors, communication modules, and other electronic components.

Detailed and Complete Alternative Models

1. LM1117-1.5: A popular alternative with similar specifications and package options.
2. ADP3339-1.5: Another LDO regulator offering comparable performance and flexibility.
3. TPS7A4901-1.5: A high-performance regulator with advanced features and adjustable output voltage.

These alternative models provide similar functionality and can be considered as substitutes for the LT1965ET-1.5#PBF depending on specific requirements and availability.

In conclusion, the LT1965ET-1.5#PBF is a low dropout linear regulator designed to provide a stable and precise 1.5V output voltage. With its excellent load and line regulation