LT1185IT#31PBF

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics:
- High efficiency
- Low dropout voltage
- Adjustable output voltage
- Current limiting
- Thermal shutdown protection
Package: TO-220
Essence: Linear Technology Voltage Regulator
Packaging/Quantity: Tape & Reel, 1000 units per reel

Specifications

Input Voltage Range: 4.5V to 36V
Output Voltage Range: 1.25V to 34V
Output Current: Up to 3A
Dropout Voltage: 1.2V at 3A
Line Regulation: ±0.015% typical
Load Regulation: ±0.1% typical
Quiescent Current: 10mA typical
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1185IT#31PBF has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
ADJ: Output voltage adjustment pin
VOUT: Output voltage pin

Functional Features

High efficiency voltage regulation
Adjustable output voltage for versatile applications
Current limiting to protect connected devices
Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation - Wide input voltage range allows for flexibility in power supply selection - Adjustable output voltage suits various application requirements - Current limiting protects sensitive components from damage - Thermal shutdown protection prevents overheating

Disadvantages: - Dropout voltage of 1.2V may limit certain low voltage applications - Quiescent current of 10mA may be considered high for power-sensitive designs

Working Principles

The LT1185IT#31PBF is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry to achieve the desired output. The device regulates the input voltage to provide a constant output voltage, even when the input voltage or load conditions vary.

Detailed Application Field Plans

The LT1185IT#31PBF is commonly used in various applications, including:

Power supplies for industrial equipment
Automotive electronics
Battery-powered devices
Telecommunications equipment
Audio amplifiers
LED lighting systems

Detailed and Complete Alternative Models

LM317T: Adjustable Voltage Regulator, TO-220 package
LM7805: Fixed 5V Voltage Regulator, TO-220 package
LT1084CT: Adjustable Voltage Regulator, TO-220 package
LM1117MPX-ADJ: Adjustable Voltage Regulator, TO-220 package
L78M05CDT: Fixed 5V Voltage Regulator, TO-220 package

These alternative models offer similar functionality and can be used as substitutes for the LT1185IT#31PBF in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1185IT#31PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT1185IT#31PBF in technical solutions:

Q: What is LT1185IT#31PBF? A: LT1185IT#31PBF is a specific model of a voltage regulator IC (integrated circuit) manufactured by Linear Technology.
Q: What is the purpose of LT1185IT#31PBF? A: The purpose of LT1185IT#31PBF is to regulate and stabilize voltage levels in electronic circuits, ensuring a consistent power supply.
Q: What is the input voltage range for LT1185IT#31PBF? A: The input voltage range for LT1185IT#31PBF is typically between 4.5V and 40V.
Q: What is the output voltage range for LT1185IT#31PBF? A: The output voltage range for LT1185IT#31PBF can be adjusted from 1.2V to 37V.
Q: What is the maximum output current of LT1185IT#31PBF? A: The maximum output current of LT1185IT#31PBF is around 3A.
Q: Can LT1185IT#31PBF handle both step-up and step-down voltage regulation? A: Yes, LT1185IT#31PBF can handle both step-up (boost) and step-down (buck) voltage regulation.
Q: Is LT1185IT#31PBF suitable for automotive applications? A: Yes, LT1185IT#31PBF is designed to operate reliably in automotive environments, making it suitable for automotive applications.
Q: Does LT1185IT#31PBF have built-in protection features? A: Yes, LT1185IT#31PBF includes various protection features such as thermal shutdown, current limiting, and reverse battery protection.
Q: Can LT1185IT#31PBF be used in high-temperature environments? A: Yes, LT1185IT#31PBF has a wide operating temperature range of -40°C to 125°C, allowing it to be used in high-temperature environments.
Q: Are there any application notes or reference designs available for LT1185IT#31PBF? A: Yes, Linear Technology provides application notes and reference designs on their website that can help with the implementation of LT1185IT#31PBF in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.