LTC3787EGN#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High Efficiency - Wide Input Voltage Range - Synchronous Buck-Boost DC/DC Converter - Programmable Output Voltage and Current Limit - Fault Protection Features

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

Essence: The LTC3787EGN#TRPBF is a versatile power management IC designed for various applications that require efficient voltage conversion.

Packaging/Quantity: The LTC3787EGN#TRPBF is available in tape and reel packaging, with 250 units per reel.

Specifications

The LTC3787EGN#TRPBF has the following specifications:

Input Voltage Range: 4V to 60V
Output Voltage Range: -0.5V to 60V
Maximum Switching Frequency: 550kHz
Operating Temperature Range: -40°C to 125°C
Maximum Duty Cycle: 99%
Quiescent Current: 50µA

Detailed Pin Configuration

The LTC3787EGN#TRPBF has 16 pins arranged as follows:

VIN: Input Voltage
GND: Ground
VFB: Feedback Voltage
COMP: Compensation Node
SS: Soft-Start Control
PGND: Power Ground
SW: Switch Node
BST: Boost Node
FB: Feedback Node
VCC: Supply Voltage
SYNC: Synchronization Input
RT/CLKOUT: External Resistor or Clock Output
CLKIN: Clock Input
MODE: Mode Selection
PGOOD: Power Good Indicator
EN/UVLO: Enable or Undervoltage Lockout

Functional Features

The LTC3787EGN#TRPBF offers the following functional features:

Synchronous Buck-Boost DC/DC Conversion
Wide Input Voltage Range for Versatile Applications
Programmable Output Voltage and Current Limit
Adjustable Soft-Start Control
Fault Protection Features (Overvoltage, Overcurrent, Overtemperature)

Advantages and Disadvantages

Advantages: - High Efficiency Conversion - Wide Input Voltage Range - Programmable Output Parameters - Comprehensive Fault Protection

Disadvantages: - Relatively Complex Pin Configuration - Requires External Components for Optimal Performance

Working Principles

The LTC3787EGN#TRPBF operates on the principle of synchronous buck-boost conversion. It utilizes a combination of high-side and low-side MOSFETs to efficiently regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage.

The IC incorporates a feedback loop that continuously monitors the output voltage and adjusts the duty cycle of the switching transistors to maintain the desired output voltage. The programmable parameters allow customization of the output voltage and current limit according to the specific application requirements.

Detailed Application Field Plans

The LTC3787EGN#TRPBF finds applications in various fields, including but not limited to:

Battery-Powered Systems: Provides efficient voltage conversion for portable devices, electric vehicles, and renewable energy systems.
Industrial Automation: Enables power management in motor control systems, robotics, and factory automation equipment.
Telecommunications: Facilitates voltage regulation in telecom infrastructure, base stations, and network equipment.
Automotive Electronics: Supports power supply requirements in automotive electronics, such as infotainment systems and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

LTC3787EUF#PBF: 24-Lead QFN (Quad Flat No-Lead) Package
LTC3787EUH#PBF: 28-Lead TSSOP (Thin Shrink Small Outline Package)
LTC3787EGN#PBF: 16-Lead SSOP Package

These alternative models offer similar functionality and performance to the LTC3787EGN#TRPBF, but with different package options to suit specific design requirements.

Word count: 536 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3787EGN#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3787EGN#TRPBF in technical solutions:

Q: What is LTC3787EGN#TRPBF? A: LTC3787EGN#TRPBF is a high-performance synchronous buck-boost 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 LTC3787EGN#TRPBF? A: LTC3787EGN#TRPBF supports an input voltage range from 4V to 60V, making it suitable for a wide range of applications.
Q: What is the output voltage range that can be achieved using LTC3787EGN#TRPBF? A: The output voltage range of LTC3787EGN#TRPBF depends on the specific application and external components used. It can support both step-up and step-down voltage conversion.
Q: What is the maximum output current that LTC3787EGN#TRPBF can handle? A: LTC3787EGN#TRPBF can handle a maximum output current of up to 20A, depending on the thermal design and external components used.
Q: Can LTC3787EGN#TRPBF operate in both continuous and discontinuous conduction modes? A: Yes, LTC3787EGN#TRPBF can operate in both continuous and discontinuous conduction modes, providing flexibility in different load conditions.
Q: Does LTC3787EGN#TRPBF have built-in protection features? A: Yes, LTC3787EGN#TRPBF includes various built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can LTC3787EGN#TRPBF be used in battery charging applications? A: Yes, LTC3787EGN#TRPBF can be used in battery charging applications as it supports both step-up and step-down voltage conversion.
Q: What is the switching frequency range of LTC3787EGN#TRPBF? A: The switching frequency of LTC3787EGN#TRPBF can be programmed from 100kHz to 750kHz, allowing optimization for efficiency or size.
Q: Is LTC3787EGN#TRPBF suitable for automotive applications? A: Yes, LTC3787EGN#TRPBF is suitable for automotive applications as it can handle the wide input voltage range and has built-in protection features.
Q: Are there any evaluation boards or reference designs available for LTC3787EGN#TRPBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC3787EGN#TRPBF, which can help users quickly prototype and implement their technical solutions.

Please note that the specific details and specifications may vary, so it's always recommended to refer to the datasheet and application notes provided by the manufacturer for accurate information.