LTC3718EG#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: 28-Lead SSOP

Essence: The LTC3718EG#PBF is a high-performance power management IC designed for various applications that require efficient power conversion and regulation.

Packaging/Quantity: The LTC3718EG#PBF is available in a 28-Lead SSOP package. It is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 4V to 36V
Output Voltage Range: 0.6V to 34V
Maximum Output Current: 10A
Switching Frequency: Up to 2MHz
Efficiency: Up to 95%
Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3718EG#PBF has the following pin configuration:

VIN: Input Voltage
GND: Ground
FB: Feedback Voltage
VOUT: Output Voltage
SW: Switch Node
PGND: Power Ground
SYNC: Synchronization Input
SS/TRK: Soft-Start/Tracking Control
COMP: Compensation Node
RT/CLK: Oscillator Resistor/Clock Synchronization
MODE: Mode Selection
PGOOD: Power Good Indicator
ITH: Current Limit Threshold
SS/TRK: Soft-Start/Tracking Control
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage
VCC: Supply Voltage

Functional Features

Wide input voltage range allows for versatile applications.
Adjustable output voltage provides flexibility in power regulation.
High efficiency ensures minimal power loss during conversion.
Current limit protection prevents damage due to excessive current.
Thermal shutdown protection safeguards against overheating.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range accommodates various power sources. - Adjustable output voltage allows for customization. - Current limit protection enhances system reliability. - Thermal shutdown protection prevents IC damage.

Disadvantages: - Limited maximum output current of 10A may not be suitable for high-power applications. - The 28-Lead SSOP package may require additional space on the PCB.

Working Principles

The LTC3718EG#PBF utilizes a switching regulator architecture to efficiently convert and regulate input voltage to the desired output voltage. It employs a high-frequency switching transistor to control the energy flow and minimize power loss. The feedback mechanism continuously monitors the output voltage and adjusts the switching frequency to maintain the desired voltage level.

Detailed Application Field Plans

The LTC3718EG#PBF is widely used in various applications, including but not limited to: - Industrial equipment - Telecommunications systems - Automotive electronics - Power supplies - Battery-powered devices

Detailed and Complete Alternative Models

LTC3718EG#TRPBF: Similar to LTC3718EG#PBF, but available in a 28-Lead TSSOP package.
LTC3718HG#PBF: Higher maximum output current of 15A, suitable for more demanding applications.
LTC3718IG#PBF: Lower maximum output current of 5A, suitable for low-power applications.

These alternative models offer similar functionality with slight variations in specifications and packaging options.

Word count: 409 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3718EG#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3718EG#PBF in technical solutions:

Q: What is LTC3718EG#PBF? A: LTC3718EG#PBF is a high-performance synchronous step-down DC/DC controller IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used in power management applications.
Q: What is the input voltage range supported by LTC3718EG#PBF? A: The input voltage range supported by LTC3718EG#PBF is typically between 4.5V and 36V.
Q: What is the output voltage range that can be achieved using LTC3718EG#PBF? A: The output voltage range that can be achieved using LTC3718EG#PBF depends on the external components used, but it can typically range from 0.6V to 34V.
Q: Can LTC3718EG#PBF handle high current loads? A: Yes, LTC3718EG#PBF is designed to handle high current loads. It has a maximum output current capability of up to 20A.
Q: Is LTC3718EG#PBF suitable for battery-powered applications? A: Yes, LTC3718EG#PBF can be used in battery-powered applications. It supports a wide input voltage range and offers efficient power conversion, making it suitable for various battery-powered devices.
Q: Does LTC3718EG#PBF have built-in protection features? A: Yes, LTC3718EG#PBF includes several built-in protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
Q: Can LTC3718EG#PBF be used in both step-down and step-up applications? A: No, LTC3718EG#PBF is specifically designed for step-down (buck) applications. It cannot be used for step-up (boost) applications.
Q: What is the switching frequency of LTC3718EG#PBF? A: The switching frequency of LTC3718EG#PBF can be set externally and typically ranges from 100kHz to 1MHz.
Q: Does LTC3718EG#PBF require an external compensation network? A: Yes, LTC3718EG#PBF requires an external compensation network to stabilize the control loop and ensure proper operation.
Q: Are there any evaluation boards or reference designs available for LTC3718EG#PBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC3718EG#PBF, which can help users quickly prototype and implement their power management solutions.

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