LTC3619IDD#PBF

Product Overview

Category

LTC3619IDD#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various electronic devices to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The LTC3619IDD#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The device has a low standby current, ensuring minimal power consumption when not actively regulating voltage.
• Fast transient response: The LTC3619IDD#PBF exhibits excellent transient response characteristics, enabling quick and stable voltage regulation.

Package

The LTC3619IDD#PBF is available in a small form factor package, allowing for easy integration into compact electronic systems. The package type is DFN (Dual Flat No-Lead), which provides good thermal dissipation properties.

Essence

The essence of LTC3619IDD#PBF lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Switching Frequency: 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3619IDD#PBF features a 10-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. SS: Soft-start pin
7. PGND: Power ground pin
8. VOUT: Output voltage pin
9. BST: Boost pin
10. AGND: Analog ground pin

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency conversion minimizes power losses and maximizes battery life.
• Fast transient response ensures stable voltage regulation during load changes.
• Low quiescent current reduces standby power consumption.
• Integrated protection features such as overcurrent and overtemperature protection enhance system reliability.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Small form factor package
• Fast transient response
• Integrated protection features

Disadvantages

• Limited maximum output current (1A)

Working Principles

The LTC3619IDD#PBF operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. The device employs a feedback mechanism to regulate the output voltage, ensuring it remains within the specified range even under varying load conditions.

Detailed Application Field Plans

The LTC3619IDD#PBF finds applications in various electronic devices that require efficient power management. Some of the common application fields include:

1. Portable electronic devices: Smartphones, tablets, portable media players, etc.
2. IoT devices: Wearables, smart home devices, sensors, etc.
3. Industrial equipment: Data loggers, measurement instruments, control systems, etc.
4. Automotive electronics: Infotainment systems, navigation units, lighting controls, etc.

Detailed and Complete Alternative Models

1. LTC3619EDD#PBF: Similar to LTC3619IDD#PBF but available in an alternative package.
2. LTC3619HDD#PBF: Higher maximum output current variant of LTC3619IDD#PBF.
3. LTC3619IDD-1#PBF: Lower quiescent current version of LTC3619IDD#PBF.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

In conclusion, the LTC3619IDD#PBF is a highly efficient integrated circuit designed for power management applications. Its wide input voltage range, small form factor package, and fast transient response make it suitable for various electronic devices. While it has a limited maximum output current, its advantages outweigh this limitation. The device operates based on a switching regulator topology and finds applications in portable electronics, IoT devices, industrial equipment, and automotive electronics. Alternative models such as LTC3619EDD#PBF, LTC3619HDD#PBF, and LTC3619IDD-1#PBF provide additional options to suit different needs.