LT3645IMSE#TRPBF

Product Overview

Category

LT3645IMSE#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• High efficiency
• Low quiescent current
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

LT3645IMSE#TRPBF is available in a small MSOP-10 package, which is suitable for space-constrained applications.

Essence

The essence of LT3645IMSE#TRPBF lies in its ability to efficiently regulate voltage and manage power in electronic devices.

Packaging/Quantity

This product is typically sold in reels containing a specific quantity of units. The exact quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 45V
• Output Voltage Range: 0.6V to 42V
• Maximum Output Current: 4A
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for setting the output voltage
4. SS: Soft-start capacitor connection pin
5. VCC: Internal regulator output pin
6. SW: Switching node connection pin
7. PGND: Power ground pin
8. SYNC: Synchronization pin for external clock
9. RT: Timing resistor connection pin for frequency adjustment
10. COMP: Compensation pin for stability enhancement

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage enables flexibility in different applications.
• High efficiency ensures minimal power loss during voltage regulation.
• Overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown protection prevents damage due to overheating.

Advantages and Disadvantages

Advantages

• High efficiency results in energy savings.
• Wide input voltage range allows for versatile use.
• Compact MSOP-10 package suits space-constrained applications.
• Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• Requires external components for proper operation.

Working Principles

LT3645IMSE#TRPBF operates as a step-down (buck) switching regulator. It converts a higher input voltage to a lower output voltage by controlling the duty cycle of an internal switch. This process involves energy storage in an inductor and subsequent transfer to the output capacitor.

Detailed Application Field Plans

LT3645IMSE#TRPBF finds application in various electronic devices, including but not limited to: - Portable electronic devices - Automotive systems - Industrial equipment - Telecommunications devices - Power supplies

Detailed and Complete Alternative Models

1. LT3645HMSE#TRPBF: Similar to LT3645IMSE#TRPBF, but with a higher maximum output current of 6A.
2. LT3645EMSE#TRPBF: Similar to LT3645IMSE#TRPBF, but with a lower maximum output current of 2A.
3. LT3645IMSE#PBF: Same specifications as LT3645IMSE#TRPBF, but available in a different package (MSOP-10).

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

In conclusion, LT3645IMSE#TRPBF is a versatile integrated circuit used for voltage regulation and power management in various electronic devices. Its high efficiency, wide input voltage range, and compact package make it a popular choice among designers. While it has limitations in terms of maximum output current, it offers reliable performance with features like overcurrent and thermal shutdown protection.