LTC3780IUH#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator and Battery Charger

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage and current - Overcurrent protection - Thermal shutdown protection

Package: 28-Lead QFN (Quad Flat No-Lead) package

Essence: The LTC3780IUH#TRPBF is a versatile voltage regulator and battery charger IC that offers high efficiency and a wide input voltage range. It provides adjustable output voltage and current, along with overcurrent and thermal shutdown protection.

Packaging/Quantity: The LTC3780IUH#TRPBF is available in a 28-Lead QFN package. The quantity per reel is typically 2500 units.

Specifications

Input Voltage Range: 4V to 36V
Output Voltage Range: 0.8V to 30V
Output Current: Up to 10A
Switching Frequency: 100kHz to 1MHz
Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC3780IUH#TRPBF has the following pin configuration:

VIN: Input voltage
GND: Ground
SS/TRK: Soft-start/tracking control
FB: Feedback voltage
VCC: Supply voltage for internal circuitry
SYNC: Synchronization input
PGND: Power ground
SW: Switch node connection
BST: Boost capacitor connection
COMP: Compensation node
ITH: Current limit setting
VSENSE: Current sense input
VOUT: Output voltage
EN: Enable control
AGND: Analog ground
PG: Power good indicator

Functional Features

Wide input voltage range allows for versatile applications
Adjustable output voltage and current provide flexibility
Overcurrent protection ensures safe operation
Thermal shutdown protection prevents overheating
Soft-start/tracking control for smooth startup
Synchronization input for multi-phase operation
Power good indicator for system monitoring

Advantages

High efficiency results in less power loss
Wide input voltage range accommodates various power sources
Adjustable output voltage and current meet different requirements
Overcurrent and thermal shutdown protection enhance safety
Soft-start/tracking control ensures smooth operation
Synchronization input enables multi-phase operation
Power good indicator provides system status information

Disadvantages

Limited maximum output current of 10A
Requires external components for complete circuit implementation

Working Principles

The LTC3780IUH#TRPBF operates as a synchronous buck-boost DC/DC converter. It regulates the output voltage by adjusting the duty cycle of the internal switches. The IC uses a feedback mechanism to compare the actual output voltage with the desired value and adjusts the duty cycle accordingly. It also incorporates overcurrent and thermal shutdown protection to prevent damage to the IC and connected devices.

Detailed Application Field Plans

The LTC3780IUH#TRPBF is commonly used in various applications, including: 1. Battery charging systems 2. Portable electronic devices 3. Automotive electronics 4. Industrial equipment 5. Solar power systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3780IUH#TRPBF are: 1. LT3759: Synchronous step-down DC/DC controller 2. LTC3787: Synchronous buck-boost DC/DC controller 3. LT8490: MPPT (Maximum Power Point Tracking) battery charger controller 4. LT3652: Standalone Li-Ion battery charger

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3780IUH#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3780IUH#TRPBF in technical solutions:

Q: What is LTC3780IUH#TRPBF? A: LTC3780IUH#TRPBF is a high-performance synchronous step-up/step-down DC-DC converter IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used in various technical solutions.
Q: What is the input voltage range supported by LTC3780IUH#TRPBF? A: LTC3780IUH#TRPBF supports an input voltage range of 4V to 38V, making it suitable for a wide range of applications.
Q: What is the output voltage range of LTC3780IUH#TRPBF? A: The output voltage range of LTC3780IUH#TRPBF can be adjusted from 0.8V to 60V, providing flexibility for different voltage requirements.
Q: Can LTC3780IUH#TRPBF be used as a step-up converter? A: Yes, LTC3780IUH#TRPBF can function as a step-up (boost) converter, allowing you to increase the input voltage to a higher output voltage.
Q: Can LTC3780IUH#TRPBF be used as a step-down converter? A: Yes, LTC3780IUH#TRPBF can also operate as a step-down (buck) converter, enabling you to decrease the input voltage to a lower output voltage.
Q: What is the maximum output current that LTC3780IUH#TRPBF can handle? A: LTC3780IUH#TRPBF has a maximum output current capability of up to 4A, making it suitable for powering various loads.
Q: Does LTC3780IUH#TRPBF have built-in protection features? A: Yes, LTC3780IUH#TRPBF incorporates several protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
Q: Can LTC3780IUH#TRPBF be used in battery charging applications? A: Yes, LTC3780IUH#TRPBF can be utilized in battery charging applications, thanks to its ability to regulate voltage and current levels.
Q: Is LTC3780IUH#TRPBF suitable for automotive applications? A: Yes, LTC3780IUH#TRPBF is designed to meet the requirements of automotive applications, including wide input voltage range and robust protection features.
Q: Are there any application notes or reference designs available for LTC3780IUH#TRPBF? A: Yes, Analog Devices provides application notes and reference designs on their website, which can help you understand and implement LTC3780IUH#TRPBF in your technical solutions.

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