LT3507AHFE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16-Lead TSSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: 1.24V to 40V
• Quiescent Current: 50µA
• Switching Frequency: 1MHz
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3507AHFE has a 16-lead TSSOP package with the following pin configuration:

1. VIN: Input Voltage
2. SW: Switch Node Connection
3. GND: Ground
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. SS: Soft-Start Capacitor Connection
7. SYNC: Synchronization Input
8. RT: Oscillator Timing Resistor
9. CT: Oscillator Timing Capacitor
10. PGND: Power Ground
11. EN: Enable Pin
12. BST: Boost Pin
13. LX: Inductor Connection
14. COMP: Compensation Node
15. VCC: Supply Voltage
16. AGND: Analog Ground

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency operation minimizes power loss
• Low quiescent current enables energy-efficient performance
• Adjustable output voltage provides flexibility
• Internal compensation simplifies design
• Synchronization capability for noise-sensitive applications
• Soft-start feature prevents inrush current

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Low quiescent current
• Adjustable output voltage
• Internal compensation for simplified design

Disadvantages

• Limited maximum output current (500mA)
• Requires external synchronization for noise-sensitive applications

Working Principles

The LT3507AHFE is a voltage regulator IC that operates by converting an input voltage to a regulated output voltage. It utilizes a boost topology to step up the input voltage to a higher level, which can be adjusted using external resistors. The internal control circuitry ensures stable and accurate output voltage regulation.

Detailed Application Field Plans

The LT3507AHFE is suitable for various power management applications, including but not limited to:

1. Battery-powered devices
2. Industrial equipment
3. Automotive electronics
4. Telecommunications systems
5. Distributed power supplies
6. Portable instruments

Detailed and Complete Alternative Models

1. LT3507A: Similar specifications and features, different package (8-Lead MSOP)
2. LT3507B: Higher maximum output current (1A), otherwise similar to LT3507AHFE
3. LT3507C: Lower quiescent current (25µA), otherwise similar to LT3507AHFE
4. LT3507D: Slightly different pin configuration, otherwise similar to LT3507AHFE

These alternative models provide options based on specific requirements and constraints of different applications.

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