LTC4242IUHF#PBF

Product Overview

Category

LTC4242IUHF#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• LTC4242IUHF#PBF is a high-performance power distribution switch.
• It offers advanced features for controlling and protecting the power supply in various electronic systems.
• The device operates over a wide input voltage range, making it suitable for diverse applications.
• It provides precise current limiting and fault protection capabilities.

Package

LTC4242IUHF#PBF comes in a small 32-pin QFN package.

Essence

The essence of this product lies in its ability to efficiently manage power distribution while ensuring system reliability and protection.

Packaging/Quantity

LTC4242IUHF#PBF is typically packaged in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 2.9V to 38V
• Output Voltage Range: 0V to 38V
• Maximum Continuous Current: 5A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. EN - Enable Pin
2. FLT - Fault Indicator Output
3. GND - Ground
4. VCC - Supply Voltage
5. IN - Power Input
6. OUT - Power Output
7. SENSE+ - Positive Current Sense Input
8. SENSE- - Negative Current Sense Input
9. FAULT - Fault Detection Input
10. REF - Reference Voltage Output
11. PG - Power Good Indicator Output
12. OV - Overvoltage Protection Input
13. UV - Undervoltage Protection Input
14. SS - Soft-Start Control Input
15. FB - Feedback Input
16. VSET - Output Voltage Set Pin 17-32. NC - No Connection

Functional Features

• Precise Current Limiting: LTC4242IUHF#PBF ensures that the output current does not exceed a specified limit, protecting the system from overcurrent conditions.
• Fault Protection: The device detects and responds to various fault conditions such as overvoltage, undervoltage, and overtemperature, safeguarding the system components.
• Power Good Indicator: It provides an indicator signal to indicate when the output voltage is within the acceptable range.
• Soft-Start Control: This feature allows for a controlled and gradual increase in output voltage during startup, preventing excessive inrush currents.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Advanced fault protection mechanisms ensure system reliability.
• Precise current limiting protects sensitive components from damage.
• Power good indicator enhances system monitoring capabilities.
• Soft-start control minimizes inrush currents during startup.

Disadvantages

• Limited maximum continuous current of 5A may not be suitable for high-power applications.
• The small package size may require careful handling during assembly.

Working Principles

LTC4242IUHF#PBF operates by monitoring the input and output voltages and currents. It regulates the output voltage based on the feedback received through the FB pin. The device continuously checks for fault conditions such as overvoltage, undervoltage, and overcurrent. When a fault is detected, it takes appropriate actions to protect the system, such as disabling the output or triggering a fault indicator.

Detailed Application Field Plans

LTC4242IUHF#PBF finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Telecommunications equipment 3. Automotive electronics 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

1. LTC4236IUHF#PBF
2. LTC4260IUHF#PBF
3. LTC4219IUHF#PBF
4. LTC4257IUHF#PBF
5. LTC4238IUHF#PBF

These alternative models offer similar functionality and can be considered as substitutes for LTC4242IUHF#PBF in different applications.

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