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LTC4368HDD-2#PBF
Introduction
The LTC4368HDD-2#PBF is a product belonging to the category of power management integrated circuits (PMICs). It is designed to provide protection and control for 2.5V to 5.5V systems against overvoltage, undervoltage, and reverse voltage conditions. This device offers a range of characteristics that make it suitable for various applications, and it comes in a small package, making it ideal for space-constrained designs.
Basic Information Overview
- Category: Power Management Integrated Circuits (PMICs)
- Use: Protection and control for 2.5V to 5.5V systems
- Characteristics: Overvoltage, undervoltage, and reverse voltage protection
- Package: 12-Lead DFN
- Essence: Protection and control for sensitive electronic systems
- Packaging/Quantity: Tape & Reel (3000 units per reel)
Specifications
- Input Voltage Range: 2.5V to 5.5V
- Operating Temperature Range: -40°C to 125°C
- Quiescent Current: 50µA
- Reverse Input Voltage: -20V
- Overvoltage Threshold: Adjustable from 2.5V to 5.5V
- Undervoltage Threshold: Adjustable from 2.5V to 5.5V
Detailed Pin Configuration
- VIN: Input Voltage
- GATE: Gate Drive Output
- VOUT: Output Voltage
- UV: Undervoltage Set Point
- OV: Overvoltage Set Point
- FLT: Fault Indicator
- GND: Ground
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
Functional Features
- Overvoltage Protection
- Undervoltage Protection
- Reverse Voltage Protection
- Adjustable Thresholds
- Fault Indicator
Advantages and Disadvantages
Advantages
- Comprehensive protection features
- Adjustable thresholds for flexibility
- Small package size for space-constrained designs
- Low quiescent current for power efficiency
Disadvantages
- Limited to 2.5V to 5.5V input voltage range
- Requires external components for full functionality
Working Principles
The LTC4368HDD-2#PBF operates by monitoring the input voltage and comparing it to the user-adjustable overvoltage and undervoltage thresholds. When an input voltage fault condition is detected, the device takes appropriate action to protect the downstream circuitry. The fault indicator provides visual feedback to the system operator.
Detailed Application Field Plans
The LTC4368HDD-2#PBF is well-suited for a wide range of applications, including: - Battery-powered systems - Portable electronics - Industrial control systems - Automotive electronics - Distributed power systems
Detailed and Complete Alternative Models
Some alternative models to the LTC4368HDD-2#PBF include: - LTC4366 - LTC4367 - LTC4369 - TPS25921
In conclusion, the LTC4368HDD-2#PBF is a versatile PMIC offering comprehensive protection features and adjustable thresholds, making it suitable for a variety of applications in the 2.5V to 5.5V range.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LTC4368HDD-2#PBF w rozwiązaniach technicznych
What is the LTC4368HDD-2#PBF?
- The LTC4368HDD-2#PBF is a dual high voltage surge stopper designed to protect sensitive electronic equipment from overvoltage transients.
What is the input voltage range of LTC4368HDD-2#PBF?
- The input voltage range of LTC4368HDD-2#PBF is from 4V to 80V.
What is the maximum continuous output current it can handle?
- The LTC4368HDD-2#PBF can handle a maximum continuous output current of 3A per channel.
How does LTC4368HDD-2#PBF protect against overvoltage transients?
- It uses an adjustable timer to provide a time delay before turning on the pass transistor, allowing input capacitors to charge and preventing large inrush currents during start-up.
Can LTC4368HDD-2#PBF be used in automotive applications?
- Yes, it is suitable for automotive and industrial applications due to its wide input voltage range and robust protection features.
What are the typical applications of LTC4368HDD-2#PBF?
- It is commonly used in battery-powered systems, automotive electronics, industrial control systems, and other applications requiring robust overvoltage protection.
Does LTC4368HDD-2#PBF have built-in thermal shutdown protection?
- Yes, it includes thermal shutdown protection to prevent damage from excessive heat.
What is the operating temperature range of LTC4368HDD-2#PBF?
- The operating temperature range is from -40°C to 125°C, making it suitable for harsh environments.
Is there a recommended layout for using LTC4368HDD-2#PBF in a PCB design?
- Yes, Linear Technology provides a recommended layout in the datasheet to ensure proper performance and reliability.
Can LTC4368HDD-2#PBF be used in parallel to increase current handling capability?
- Yes, multiple LTC4368HDD-2#PBF devices can be used in parallel to increase the current handling capability in high-power applications.