LT3507AHFE#TRPBF

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
• Output Current: Up to 500mA
• Quiescent Current: 20µA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LT3507AHFE#TRPBF IC 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 Pin
7. SYNC: Synchronization Pin
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 Pin
15. VCC: Supply Voltage
16. AGND: Analog Ground

Functional Features

• High Efficiency Buck-Boost Converter
• Low Quiescent Current for Improved Battery Life
• Wide Input Voltage Range for Versatile Applications
• Adjustable Output Voltage
• Internal Soft-Start Function
• Synchronization Capability
• Integrated Boost Diode
• Overtemperature and Overcurrent Protection

Advantages and Disadvantages

Advantages

• High Efficiency operation conserves power
• Wide Input Voltage Range allows for flexibility in various applications
• Low Quiescent Current prolongs battery life
• Compact 16-Lead TSSOP package saves board space
• Internal Soft-Start function reduces inrush current

Disadvantages

• Limited output current (up to 500mA)
• Requires external components for proper operation
• Not suitable for high-power applications

Working Principles

The LT3507AHFE#TRPBF is a high-efficiency buck-boost voltage regulator. It can step up or step down the input voltage to provide a stable output voltage, making it suitable for a wide range of applications. The IC utilizes a switching regulator topology to achieve high efficiency and low quiescent current.

By adjusting the feedback pin (FB), the output voltage can be set within the specified range. The internal oscillator generates a fixed frequency signal that controls the switching of the internal power MOSFETs. This enables efficient power conversion while maintaining a stable output voltage.

The LT3507AHFE#TRPBF also incorporates various protection features such as overtemperature and overcurrent protection, ensuring safe operation under different conditions.

Detailed Application Field Plans

The LT3507AHFE#TRPBF is commonly used in the following applications:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from the low quiescent current and wide input voltage range.
2. Automotive systems: The wide input voltage range and robust protection features make it suitable for automotive applications such as infotainment systems, lighting control, and power management modules.
3. Industrial equipment: The ability to step up or step down the input voltage makes it ideal for industrial automation, motor control, and power supply applications.
4. Renewable energy systems: The LT3507AHFE#TRPBF can be used in solar-powered systems, wind turbines, and other renewable energy applications to efficiently manage power conversion.

Detailed and Complete Alternative Models

1. LT3507A: Similar to LT3507AHFE#TRPBF but with a different package (8-Lead MSOP)
2. LT3507B: Higher output current version of LT3507AHFE#TRPBF (up to 1A)
3. LT3507C: Lower quiescent current variant for ultra-low power applications
4. LT3507D: Enhanced temperature range version (-55°C to +150°C) for extreme environments

These alternative models offer similar functionality with slight variations in specifications, package, or performance characteristics.

In conclusion, the LT3507AHFE#TRPBF is a versatile voltage regulator IC that provides efficient power management solutions across various applications. Its wide input voltage range, low quiescent current, and compact package make it an attractive choice for designers seeking reliable and flexible power management solutions.