LT1129CS8-3.3#TRPBF

Product Overview

Use

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

Characteristics

Voltage Output: 3.3V
Package Type: CS8
Essence: Linear regulator
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The LT1129CS8-3.3#TRPBF has the following specifications:

Input Voltage Range: 2.5V to 20V
Dropout Voltage: 300mV
Output Current: Up to 800mA
Line Regulation: ±0.015%
Load Regulation: ±0.1%
Quiescent Current: 75µA
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1129CS8-3.3#TRPBF has a standard 8-pin configuration with the following pin assignments:

VIN (Input Voltage)
GND (Ground)
ADJ (Adjustment)
NC (No Connection)
NC (No Connection)
VOUT (Output Voltage)
NC (No Connection)
NC (No Connection)

Functional Features

The LT1129CS8-3.3#TRPBF offers the following functional features:

Low dropout voltage for efficient regulation.
Wide input voltage range allows for versatile applications.
Excellent line and load regulation for stable output voltage.
Low quiescent current minimizes power consumption.
Thermal shutdown and current limit protection ensure device safety.

Advantages and Disadvantages

Advantages: - High output current capability. - Wide input voltage range. - Low dropout voltage. - Excellent line and load regulation.

Disadvantages: - Relatively high quiescent current compared to some other regulators. - Limited pin configuration options.

Working Principles

The LT1129CS8-3.3#TRPBF is a linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LT1129CS8-3.3#TRPBF finds applications in various electronic systems, including but not limited to:

Battery-powered devices: Provides regulated power supply for portable electronics.
Automotive electronics: Ensures stable voltage levels for automotive control systems.
Industrial equipment: Regulates voltage for sensors, actuators, and control circuits.
Communication systems: Maintains consistent voltage for RF modules and microcontrollers.
Audio/video equipment: Stabilizes power supply for audio amplifiers and video processors.

Detailed and Complete Alternative Models

LM1117-3.3: Similar voltage regulator with adjustable output voltage.
LT1763-3.3: Low dropout voltage regulator with higher output current capability.
LM317: Adjustable linear regulator with a wide input voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the LT1129CS8-3.3#TRPBF in different applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1129CS8-3.3#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT1129CS8-3.3#TRPBF in technical solutions:

Q: What is the LT1129CS8-3.3#TRPBF? A: The LT1129CS8-3.3#TRPBF is a low dropout linear regulator IC that provides a fixed output voltage of 3.3V.
Q: What is the input voltage range for the LT1129CS8-3.3#TRPBF? A: The input voltage range for this regulator is typically between 2.5V and 20V.
Q: What is the maximum output current of the LT1129CS8-3.3#TRPBF? A: The maximum output current is 800mA, which means it can supply up to 800mA of current at the regulated 3.3V output.
Q: Can the LT1129CS8-3.3#TRPBF be used in battery-powered applications? A: Yes, it can be used in battery-powered applications as long as the input voltage does not exceed 20V.
Q: Is the LT1129CS8-3.3#TRPBF suitable for low-power microcontrollers? A: Yes, it is suitable for powering low-power microcontrollers and other digital ICs that require a stable 3.3V power supply.
Q: Does the LT1129CS8-3.3#TRPBF require any external components for operation? A: Yes, it requires a few external components such as input and output capacitors for stability and filtering.
Q: Can the LT1129CS8-3.3#TRPBF handle input voltage fluctuations? A: Yes, it has built-in protection features that allow it to handle input voltage fluctuations and provide a stable output.
Q: What is the dropout voltage of the LT1129CS8-3.3#TRPBF? A: The dropout voltage is typically around 300mV at full load, which means the input voltage must be at least 300mV higher than the desired output voltage.
Q: Can the LT1129CS8-3.3#TRPBF be used in automotive applications? A: Yes, it can be used in automotive applications as long as the input voltage does not exceed 20V and proper thermal considerations are taken into account.
Q: Is the LT1129CS8-3.3#TRPBF available in other output voltage options? A: Yes, it is available in various fixed output voltage options such as 2.5V, 3.3V, 5V, etc. Make sure to select the appropriate part number for your desired output voltage.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with an engineer for detailed information and design considerations.