LTC3419EDD-1#PBF

Product Overview

Category

LTC3419EDD-1#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 LTC3419EDD-1#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can accept 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 LTC3419EDD-1#PBF exhibits a fast response time to sudden changes in load, maintaining stable output voltages.

Package

The LTC3419EDD-1#PBF is available in a small form factor dual in-line package (DD), which facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to efficiently regulate and control power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The LTC3419EDD-1#PBF is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V - 5.5V
• Output Voltage Range: 0.6V - 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 2MHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: Dual in-line package (DD)

Detailed Pin Configuration

The LTC3419EDD-1#PBF features the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection for inductor
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin to control device operation
6. PGND: Power ground pin
7. VOUT: Output voltage pin

Functional Features

• High Efficiency: The LTC3419EDD-1#PBF utilizes advanced power management techniques to achieve high conversion efficiency, minimizing wasted energy.
• Synchronous Rectification: This feature reduces power losses by utilizing a synchronous rectifier instead of a diode in the output stage.
• Soft-Start: The device incorporates a soft-start function to prevent excessive inrush current during startup, ensuring a smooth and controlled power-up sequence.
• Short-Circuit Protection: The LTC3419EDD-1#PBF includes built-in protection mechanisms to safeguard against short-circuit conditions, preventing damage to the device and connected components.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Wide input voltage range allows for versatile application compatibility.
• Fast transient response ensures stable output voltages under varying load conditions.
• Small form factor package enables space-saving integration into compact electronic devices.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Higher cost compared to non-integrated power management solutions.
• Requires careful thermal management due to potential heat dissipation.

Working Principles

The LTC3419EDD-1#PBF operates based on a switching regulator topology. It employs a pulse-width modulation (PWM) technique to regulate the output voltage. The input voltage is first stepped down using an inductor and then rectified using a synchronous rectifier. The regulated output voltage is achieved by adjusting the duty cycle of the PWM signal. This control mechanism ensures that the output voltage remains within the desired range, even with varying input voltages and load conditions.

Detailed Application Field Plans

The LTC3419EDD-1#PBF finds applications in various electronic devices, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets) - Battery-powered devices (e.g., wearables, IoT devices) - Industrial equipment and instrumentation - Automotive electronics - Communication systems

Detailed and Complete Alternative Models

• LTC3419IDD-1#PBF: Similar to LTC3419EDD-1#PBF, but available in an alternative package (dual in-line package).
• LTC3419EMS-1#PBF: A surface-mount version of the LTC3419EDD-1#PBF, suitable for automated assembly processes.
• LTC3419HDD-1#PBF: Higher maximum output current variant of the LTC3419EDD-1#PBF, capable of delivering up to 5A