LTC3823EGN#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current mode control - Synchronous rectification - Overcurrent protection - Thermal shutdown protection

Package: 16-Lead SSOP (Shrink Small Outline Package)

Essence: The LTC3823EGN#PBF is a power management IC designed for high-efficiency step-down DC/DC converter applications.

Packaging/Quantity: The LTC3823EGN#PBF is available in a 16-Lead SSOP package. It is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 4.5V to 60V
Output Voltage Range: 0.8V to VIN
Maximum Output Current: 3A
Switching Frequency: Up to 750kHz
Efficiency: Up to 95%
Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3823EGN#PBF has the following pin configuration:

VIN: Input voltage
GND: Ground
SW: Switch node connection
FB: Feedback voltage input
SYNC: External synchronization input
VCC: Supply voltage for internal circuitry
SS/TRK: Soft-start/tracking control
PGND: Power ground
LX: Inductor connection
COMP: Compensation network connection
RT: Oscillator timing resistor
CT: Oscillator timing capacitor
EN: Enable control input
SS/TRK: Soft-start/tracking control
VOUT: Output voltage
VREF: Reference voltage output

Functional Features

Wide input voltage range allows for use in various applications
Adjustable output voltage provides flexibility
Current mode control ensures stable operation
Synchronous rectification improves efficiency
Overcurrent protection safeguards against excessive current
Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Comprehensive protection features

Disadvantages: - Limited maximum output current (3A)

Working Principles

The LTC3823EGN#PBF operates as a step-down DC/DC converter. It uses a current mode control architecture to regulate the output voltage. The input voltage is stepped down to the desired output voltage using a high-frequency switching technique. Synchronous rectification is employed to minimize power losses. The IC incorporates various protection features such as overcurrent protection and thermal shutdown to ensure safe and reliable operation.

Detailed Application Field Plans

The LTC3823EGN#PBF is suitable for a wide range of applications, including but not limited to: - Industrial equipment - Automotive systems - Telecommunications infrastructure - Power supplies - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3823EGN#PBF include: - LT8610ABEMSE#PBF - LT8609SIFE#PBF - LT8645SIFE#PBF - LT8631EMSE#PBF - LT8650SIFE#PBF

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

Word count: 367 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3823EGN#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3823EGN#PBF in technical solutions:

Q: What is LTC3823EGN#PBF? A: LTC3823EGN#PBF is a specific model number of a high-performance synchronous step-down DC/DC converter IC.
Q: What is the input voltage range of LTC3823EGN#PBF? A: The input voltage range of LTC3823EGN#PBF is typically between 4.5V and 60V.
Q: What is the output voltage range of LTC3823EGN#PBF? A: The output voltage range of LTC3823EGN#PBF can be adjusted from 0.8V to VIN.
Q: What is the maximum output current of LTC3823EGN#PBF? A: The maximum output current of LTC3823EGN#PBF is typically around 3A.
Q: Can LTC3823EGN#PBF operate in a wide temperature range? A: Yes, LTC3823EGN#PBF is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: Does LTC3823EGN#PBF support adjustable switching frequency? A: Yes, LTC3823EGN#PBF allows for adjustable switching frequency, which can be set using external components.
Q: Is LTC3823EGN#PBF suitable for battery-powered applications? A: Yes, LTC3823EGN#PBF is suitable for battery-powered applications as it has low quiescent current and supports pulse-skipping mode for improved efficiency.
Q: Can LTC3823EGN#PBF be used in automotive applications? A: Yes, LTC3823EGN#PBF is suitable for automotive applications as it meets the necessary requirements such as AEC-Q100 qualification.
Q: Does LTC3823EGN#PBF have built-in protection features? A: Yes, LTC3823EGN#PBF includes various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.
Q: What are some typical applications of LTC3823EGN#PBF? A: LTC3823EGN#PBF can be used in a wide range of applications including industrial equipment, automotive systems, telecom infrastructure, and power distribution systems.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.