LTC4217IDHC-12

Product Overview

Category

LTC4217IDHC-12 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for managing power distribution and protection in electronic systems. It provides various features and functionalities to ensure efficient and reliable power delivery.

Characteristics

• Integrated circuit for power management
• Power distribution and protection capabilities
• High efficiency and reliability
• Compact package design
• Wide operating voltage range
• Overcurrent and overvoltage protection

Package

LTC4217IDHC-12 is available in a compact and durable package, ensuring easy integration into electronic systems. The package type is DFN (Dual Flat No-Lead), which offers excellent thermal performance and space-saving benefits.

Essence

The essence of LTC4217IDHC-12 lies in its ability to efficiently manage power distribution and protect electronic systems from potential damage caused by overcurrent or overvoltage conditions.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Maximum Continuous Current: 3A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 85°C
• Package Type: DFN-12

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin
5. FLT: Fault indicator pin
6. OV: Overvoltage protection pin
7. OC: Overcurrent protection pin
8. SS: Soft-start pin
9. PG: Power good indicator pin
10. FB: Feedback pin
11. VREF: Reference voltage pin
12. NC: No connection pin

Functional Features

• Overcurrent protection: LTC4217IDHC-12 monitors the output current and shuts down the power supply if it exceeds a predefined threshold.
• Overvoltage protection: It safeguards the system by detecting and preventing excessive output voltage levels.
• Soft-start functionality: This feature ensures a gradual increase in output voltage during startup, reducing stress on components.
• Power good indicator: The PG pin provides a signal indicating that the output voltage is within the specified range.
• Fault detection: The FLT pin indicates any fault condition, such as overcurrent or overvoltage events.

Advantages and Disadvantages

Advantages

• Efficient power management and protection
• Wide operating voltage range
• Compact package design for space-constrained applications
• Reliable performance under varying load conditions
• Integrated fault detection and indication features

Disadvantages

• Limited maximum continuous current capacity (3A)
• Requires external components for complete power management solution
• Relatively higher cost compared to simpler power management solutions

Working Principles

LTC4217IDHC-12 operates based on a combination of internal circuitry and external components. It continuously monitors the input and output voltages, comparing them against predefined thresholds. If an overcurrent or overvoltage condition is detected, the IC takes appropriate action to protect the system, such as shutting down the power supply or activating fault indicators.

The soft-start feature gradually ramps up the output voltage during startup, preventing sudden voltage spikes that could damage sensitive components. The power good indicator provides a signal to the system indicating that the output voltage is stable and within the desired range.

Detailed Application Field Plans

LTC4217IDHC-12 finds applications in various fields where efficient power management and protection are crucial. Some of the common application areas include:

1. Industrial automation systems
2. Telecommunications equipment
3. Automotive electronics
4. Medical devices
5. Consumer electronics

In industrial automation systems, LTC4217IDHC-12 ensures reliable power distribution and protection for critical components, enhancing overall system performance and longevity. In telecommunications equipment, it safeguards sensitive circuitry from voltage fluctuations and current surges.

Automotive electronics benefit from LTC4217IDHC-12's ability to protect against transient voltage spikes and overcurrent conditions, ensuring uninterrupted operation. Medical devices rely on this IC for stable power delivery, preventing potential damage to vital equipment.

Consumer electronics, such as smartphones and tablets, utilize LTC4217IDHC-12 to efficiently manage power distribution and protect internal components from power-related issues.

Detailed and Complete Alternative Models

1. LTC4217IDHC-5: Similar to LTC4217IDHC-12 but with a maximum continuous current capacity of 5A.
2. LTC4217IDHC-15: Similar to LTC4217IDHC-12 but with a wider