LTC1876EG#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Wide Input Voltage Range - Adjustable Output Voltage - Synchronous Rectification - Current Mode Control - Soft-Start Function - Overcurrent Protection - Thermal Shutdown Protection

Package: 20-Lead SSOP (Shrink Small Outline Package)

Essence: The LTC1876EG#PBF is a high-performance synchronous step-down DC/DC converter. It provides efficient power management solutions for various applications.

Packaging/Quantity: The LTC1876EG#PBF is available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

Input Voltage Range: 4V to 36V
Output Voltage Range: 0.8V to VIN
Maximum Output Current: 3A
Switching Frequency: Up to 500kHz
Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC1876EG#PBF has the following pin configuration:

VIN: Input Voltage
GND: Ground
SW: Switch Node
FB: Feedback Voltage
SYNC: Synchronization Input
VCC: Supply Voltage
SS/TRK: Soft-Start/Tracking
PGND: Power Ground
PGOOD: Power Good Indicator
COMP: Compensation Node
RT: Oscillator Timing Resistor
CT: Oscillator Timing Capacitor
BST: Bootstrap Capacitor
LX: Inductor Connection
SS/TRK: Soft-Start/Tracking
EN: Enable Pin
VCC: Supply Voltage
GND: Ground
VCC: Supply Voltage
GND: Ground

Functional Features

High Efficiency Conversion
Adjustable Output Voltage
Synchronous Rectification for Improved Efficiency
Current Mode Control for Stable Operation
Soft-Start Function for Controlled Startup
Overcurrent Protection for Enhanced Safety
Thermal Shutdown Protection to Prevent Overheating

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Adjustable output voltage - Synchronous rectification for improved efficiency - Comprehensive protection features

Disadvantages: - Limited maximum output current (3A)

Working Principles

The LTC1876EG#PBF operates as a synchronous 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 high-frequency switching. Synchronous rectification improves efficiency by reducing power losses. The converter also incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The LTC1876EG#PBF can be used in a wide range of applications, including but not limited to: - Industrial Power Supplies - Telecom Infrastructure - Automotive Electronics - Portable Devices - Battery-Powered Systems - Distributed Power Systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC1876EG#PBF include: - LT8610ABEMSE#PBF - LT8645SIV#PBF - LT8609SIV#PBF - LT8614EMSE#PBF - LT8611EMSE#PBF

These alternative models provide comparable performance and features, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC1876EG#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC1876EG#PBF in technical solutions:

Q: What is LTC1876EG#PBF? A: LTC1876EG#PBF is a specific model number for a power management integrated circuit (PMIC) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.
Q: What are the key features of LTC1876EG#PBF? A: Some key features of LTC1876EG#PBF include high efficiency, wide input voltage range, multiple output channels, adjustable output voltages, and built-in protection features.
Q: What are the typical applications of LTC1876EG#PBF? A: LTC1876EG#PBF can be used in a wide range of applications such as battery-powered systems, portable devices, industrial equipment, automotive electronics, and more.
Q: What is the maximum input voltage supported by LTC1876EG#PBF? A: The maximum input voltage supported by LTC1876EG#PBF is typically around 60V, but it is always recommended to refer to the datasheet for precise specifications.
Q: How many output channels does LTC1876EG#PBF have? A: LTC1876EG#PBF has multiple output channels, usually two or three, depending on the specific variant.
Q: Can I adjust the output voltage of LTC1876EG#PBF? A: Yes, LTC1876EG#PBF allows you to adjust the output voltage within a certain range using external resistors or other components.
Q: Does LTC1876EG#PBF offer any protection features? A: Yes, LTC1876EG#PBF provides built-in protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
Q: What is the efficiency of LTC1876EG#PBF? A: The efficiency of LTC1876EG#PBF can vary depending on the input/output voltage levels and load conditions. It is typically high, often exceeding 90%.
Q: Is LTC1876EG#PBF suitable for automotive applications? A: Yes, LTC1876EG#PBF is designed to meet the requirements of automotive electronics and can be used in various automotive applications.
Q: Where can I find more information about LTC1876EG#PBF? A: You can find detailed information about LTC1876EG#PBF, including its datasheet, application notes, and other resources, on the Analog Devices website or by contacting their technical support team.