LTC3786HUD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current mode control - Synchronous rectification - Programmable soft-start - Overvoltage protection - Undervoltage lockout - Thermal shutdown

Package: 38-Lead QFN

Essence: The LTC3786HUD#PBF is a high-performance power management IC designed for various applications that require efficient power conversion.

Packaging/Quantity: The LTC3786HUD#PBF is available in a 38-Lead QFN package. It is typically sold in reels of 250 units.

Specifications

Input Voltage Range: 4V to 60V
Output Voltage Range: 0.8V to 60V
Maximum Continuous Output Current: 20A
Switching Frequency Range: 100kHz to 750kHz
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3786HUD#PBF has a total of 38 pins. Here is the detailed pin configuration:

VIN: Input voltage pin
GND: Ground pin
VCC: Supply voltage pin
SS/TRK: Soft-start/tracking pin
SYNC/MODE: Synchronization/mode selection pin
FB: Feedback pin
COMP: Compensation pin
RT/CLKOUT: Timing resistor/clock output pin
CLKIN: Clock input pin
PGND: Power ground pin
SW1: Switch node 1
SW2: Switch node 2
SW3: Switch node 3
SW4: Switch node 4
SW5: Switch node 5
SW6: Switch node 6
SW7: Switch node 7
SW8: Switch node 8
SW9: Switch node 9
SW10: Switch node 10
SW11: Switch node 11
SW12: Switch node 12
SW13: Switch node 13
SW14: Switch node 14
SW15: Switch node 15
SW16: Switch node 16
SW17: Switch node 17
SW18: Switch node 18
SW19: Switch node 19
SW20: Switch node 20
SW21: Switch node 21
SW22: Switch node 22
SW23: Switch node 23
SW24: Switch node 24
SW25: Switch node 25
SW26: Switch node 26
SW27: Switch node 27
SW28: Switch node 28

Functional Features

High efficiency power conversion
Wide input voltage range for versatile applications
Adjustable output voltage to meet specific requirements
Current mode control for stable operation
Synchronous rectification for improved efficiency
Programmable soft-start for controlled startup
Overvoltage protection to safeguard the circuit
Undervoltage lockout for reliable operation
Thermal shutdown to prevent overheating

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable output voltage - Comprehensive protection features - Compact package size

Disadvantages: - Limited maximum continuous output current (20A)

Working Principles

The LTC3786HUD#PBF operates on the principle of current mode control. It regulates the output voltage by adjusting the duty cycle of the internal switches based on the feedback signal. The synchronous rectification improves efficiency by reducing power losses. The IC also incorporates various protection features to ensure safe and reliable operation.

Detailed Application Field Plans

The LTC3786HUD#PBF is widely used in various applications, including but not limited to: - Industrial power supplies - Telecom infrastructure - Automotive electronics - Battery-powered systems - LED lighting - Distributed power architectures

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the LTC3786HUD#PBF: - LTC3786HMP#PBF - LTC3786IUD#PBF - LTC3786IMP#PBF - LTC3786EUD#PBF - LTC3786EMP#PBF

These alternative models provide comparable performance and can be considered as substitutes for the LTC3786HUD#PBF in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3786HUD#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3786HUD#PBF in technical solutions:

Q: What is LTC3786HUD#PBF? A: LTC3786HUD#PBF is a high-performance synchronous buck-boost DC/DC controller IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used for power management applications.
Q: What is the input voltage range supported by LTC3786HUD#PBF? A: LTC3786HUD#PBF 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 with LTC3786HUD#PBF? A: The output voltage range of LTC3786HUD#PBF depends on the specific application and external components used. It can be adjusted from below 1V up to several tens of volts.
Q: Can LTC3786HUD#PBF operate in both buck and boost modes? A: Yes, LTC3786HUD#PBF is designed to operate in both buck and boost modes, allowing it to step down or step up the input voltage as required.
Q: What is the maximum output current that LTC3786HUD#PBF can handle? A: LTC3786HUD#PBF can handle a maximum output current of up to 20A, depending on the thermal design and external components used.
Q: Does LTC3786HUD#PBF have built-in protection features? A: Yes, LTC3786HUD#PBF incorporates various protection features such as overvoltage protection, undervoltage lockout, overcurrent protection, and thermal shutdown.
Q: Can LTC3786HUD#PBF be used in battery charging applications? A: Yes, LTC3786HUD#PBF can be used in battery charging applications by configuring it as a buck-boost charger with appropriate control circuitry.
Q: What is the switching frequency of LTC3786HUD#PBF? A: The switching frequency of LTC3786HUD#PBF can be programmed externally and typically ranges from 100kHz to 500kHz.
Q: Is there any evaluation board available for LTC3786HUD#PBF? A: Yes, Analog Devices provides an evaluation board (e.g., DC2289A) for LTC3786HUD#PBF, which allows users to easily test and evaluate its performance.
Q: Are there any application notes or design resources available for LTC3786HUD#PBF? A: Yes, Analog Devices provides application notes, datasheets, and other design resources on their website, which can help users in implementing LTC3786HUD#PBF in their technical solutions.

Please note that the specific details and answers may vary depending on the application requirements and the latest information provided by the manufacturer.