LT3508EFE#PBF

Product Overview

Category

The LT3508EFE#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency voltage regulation
• Wide input voltage range
• Low quiescent current
• Compact package size
• Robust protection features

Package

The LT3508EFE#PBF is available in a small form factor 20-pin TSSOP package, which allows for easy integration into circuit designs.

Essence

The essence of the LT3508EFE#PBF lies in its ability to provide efficient and reliable power management solutions for a wide range of applications.

Packaging/Quantity

The LT3508EFE#PBF is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: Adjustable from 0.8V to 40V
• Maximum Output Current: 3A
• Switching Frequency: Up to 2MHz
• Quiescent Current: 60μA (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference
4. FB: Feedback pin for output voltage regulation
5. COMP: Compensation pin for stability control
6. SS: Soft-start capacitor connection
7. VCC: Supply voltage for internal circuitry
8. PGND: Power ground reference
9. SYNC: Synchronization input for external clock
10. RT: Timing resistor connection for switching frequency control
11. SS/TRK: Soft-start/tracking capacitor connection
12. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency conversion minimizes power loss
• Adjustable output voltage provides flexibility in design
• Integrated protection features safeguard against overcurrent, overvoltage, and thermal issues
• Synchronization capability enables synchronization with an external clock signal

Advantages and Disadvantages

Advantages

• High efficiency operation leads to energy savings
• Compact package size facilitates space-constrained designs
• Robust protection features enhance system reliability
• Wide input voltage range enables compatibility with various power sources

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• External components required for proper operation may increase overall system cost

Working Principles

The LT3508EFE#PBF operates as a step-down (buck) switching regulator. It utilizes a high-frequency switching technique to efficiently convert the input voltage to a lower regulated output voltage. The internal control circuitry ensures stable and accurate voltage regulation while minimizing power loss.

Detailed Application Field Plans

The LT3508EFE#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Industrial automation systems - Automotive electronics - Telecommunications equipment - Power supply modules

Detailed and Complete Alternative Models

1. LT3508EFE#TRPBF: Similar to LT3508EFE#PBF, but available in tape and reel packaging.
2. LT3508HFE#PBF: Higher maximum output current of 5A, suitable for higher power applications.
3. LT3508IFE#PBF: Lower quiescent current of 40μA, ideal for low-power applications.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

In conclusion, the LT3508EFE#PBF is a versatile and efficient power management IC that provides reliable voltage regulation for a wide range of electronic devices. Its compact size, robust protection features, and wide input voltage range make it suitable for various applications across different industries.