LT3507AHUHF#TRPBF

Product Overview

Category

The LT3507AHUHF#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency: The LT3507AHUHF#TRPBF offers excellent power conversion efficiency, minimizing energy 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 IC has a low quiescent current, reducing power consumption when the load is light.
• Compact package: It comes in a small and compact package, enabling space-saving designs.
• Robustness: The LT3507AHUHF#TRPBF is designed to withstand harsh operating conditions, ensuring reliability and durability.

Package and Quantity

The LT3507AHUHF#TRPBF is available in a surface-mount 16-pin QFN package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 2.5V - 45V
• Output Voltage Range: 0.8V - 40V
• Maximum Output Current: 1.5A
• Switching Frequency: 550kHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: 16-pin QFN

Pin Configuration

The LT3507AHUHF#TRPBF features a 16-pin QFN package with the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. SS: Soft-start capacitor connection
6. VCC: Supply voltage for internal circuitry
7. PGND: Power ground pin
8. SYNC: Synchronization input pin
9. EN: Enable pin for turning the IC on/off
10. BST: Boost capacitor connection
11. LX: Inductor connection
12. COMP: Compensation pin for stability control
13. AGND: Analog ground pin
14. RT: Timing resistor connection
15. CT: Timing capacitor connection
16. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency conversion minimizes energy losses and maximizes battery life.
• Adjustable output voltage enables flexibility in different applications.
• Integrated protection features such as overvoltage, undervoltage, and overcurrent protection enhance system reliability.
• Soft-start function prevents excessive inrush current during startup.
• Synchronization capability allows multiple ICs to operate in a coordinated manner.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Compact package size
• Robustness for harsh environments
• Integrated protection features

Disadvantages

• Limited maximum output current (1.5A)
• Requires external components for operation

Working Principles

The LT3507AHUHF#TRPBF operates based on a switching regulator topology. It utilizes a high-frequency switching transistor to regulate the output voltage. The input voltage is first stepped up or down using an inductor and then rectified and filtered to provide a stable output voltage. The IC incorporates control circuitry to monitor and adjust the duty cycle of the switching transistor, ensuring accurate voltage regulation.

Detailed Application Field Plans

The LT3507AHUHF#TRPBF finds application in various fields, including but not limited to: - Portable electronic devices - Automotive systems - Industrial equipment - Telecommunications infrastructure - Renewable energy systems

Detailed and Complete Alternative Models

1. LT3507A: Similar to LT3507AHUHF#TRPBF but with a different package type (e.g., SOIC).
2. LT3508: Higher maximum output current (up to 3A) for applications requiring more power.
3. LT3509: Lower quiescent current for ultra-low power applications.

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

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