LT3922HUFD-1#PBF

Product Overview

Category

The LT3922HUFD-1#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, providing efficient control and regulation of power supply in various electronic devices.

Characteristics

• High efficiency: The LT3922HUFD-1#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.
• Compact package: The LT3922HUFD-1#PBF comes in a compact package, allowing for easy integration into different circuit designs.
• Low quiescent current: It exhibits low quiescent current consumption, ensuring minimal power wastage during standby or idle modes.

Package

The LT3922HUFD-1#PBF is available in a small form factor package, such as QFN (Quad Flat No-leads), which facilitates surface mount assembly and enhances thermal dissipation.

Essence

The essence of LT3922HUFD-1#PBF lies in its ability to efficiently regulate power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or trays, with a standard quantity of 2500 units per reel/tray.

Specifications

• Input Voltage Range: 4.5V - 36V
• Output Voltage Range: 0.8V - 34V
• Maximum Output Current: 3A
• Switching Frequency: 200kHz - 2.2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3922HUFD-1#PBF has 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 for turning the device on/off
6. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency conversion minimizes power losses and enhances overall system performance.
• Adjustable output voltage enables flexibility in meeting specific device requirements.
• Overcurrent protection safeguards against excessive current flow, preventing damage to the device.
• Soft-start feature ensures a controlled and gradual increase in output voltage during startup.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and extended battery life.
• Compact package facilitates space-saving integration into electronic devices.
• Wide input voltage range enhances versatility and compatibility.
• Overcurrent protection ensures device safety and longevity.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Higher switching frequencies can introduce additional noise in sensitive circuits.

Working Principles

The LT3922HUFD-1#PBF operates as a step-down (buck) converter, utilizing pulse-width modulation (PWM) techniques to regulate the output voltage. It employs an internal power switch to control the energy transfer from the input to the output, achieving the desired voltage reduction. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output.

Detailed Application Field Plans

The LT3922HUFD-1#PBF finds application in various fields, including but not limited to: - Portable electronic devices - Industrial automation systems - Automotive electronics - Telecommunications equipment - LED lighting systems

Detailed and Complete Alternative Models

1. LT3972HUFD-1#PBF
2. LT8614EUFD-1#PBF
3. LT1763CS8-1.5#PBF
4. LT3080EST#PBF
5. LT1963AES8-1.8#PBF

These alternative models offer similar functionality and can be considered as substitutes for the LT3922HUFD-1#PBF in various applications.

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