LT1965ET-3.3#PBF

Product Overview

Category

The LT1965ET-3.3#PBF belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Output: 3.3V
• Package Type: TO-220
• Essence: Low Dropout Linear Regulator
• Packaging/Quantity: Tape & Reel, 1000 pieces per reel

Specifications

The LT1965ET-3.3#PBF has the following specifications:

• Input Voltage Range: 1.8V to 20V
• Dropout Voltage: 300mV at 1A Load Current
• Output Current: Up to 1.1A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Ripple Rejection: 75dB
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1965ET-3.3#PBF has three pins:

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

Functional Features

The LT1965ET-3.3#PBF offers the following functional features:

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption.
• High ripple rejection ratio reduces noise interference in the output voltage.
• Wide operating temperature range allows for reliable performance in various environments.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient voltage regulation.
• Excellent line and load regulation characteristics ensure stable output voltage.
• Low quiescent current minimizes power consumption.
• High ripple rejection ratio reduces noise interference.

Disadvantages

• Limited output current capacity (up to 1.1A).
• Requires external components for proper operation.

Working Principles

The LT1965ET-3.3#PBF operates based on the principle of a low dropout linear 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 varies.

Detailed Application Field Plans

The LT1965ET-3.3#PBF finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: Ensures reliable voltage regulation in automation equipment, motor drives, and sensors.
3. Automotive electronics: Used in vehicle infotainment systems, lighting controls, and engine management units.
4. Communication systems: Provides regulated voltage for routers, switches, and wireless access points.
5. Medical devices: Used in patient monitoring systems, diagnostic equipment, and medical imaging devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT1965ET-3.3#PBF include:

1. LM1117-3.3: Low dropout voltage regulator with a fixed 3.3V output.
2. ADP3339: Low dropout linear regulator with adjustable output voltage.
3. TPS7A3301: Ultra-low dropout voltage regulator with a fixed 3.3V output.
4. MAX603: Low dropout voltage reference with adjustable output voltage.

These alternatives can be considered based on specific requirements and design constraints.

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