LT3690MPUFE#TRPBF

Product Overview

Category

The LT3690MPUFE#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, ensuring efficient and reliable operation.

Characteristics

• High efficiency: The LT3690MPUFE#TRPBF offers high conversion efficiency, minimizing power 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 is available in a small form factor package, enabling space-saving designs.
• Robustness: The LT3690MPUFE#TRPBF is designed to withstand harsh operating conditions, ensuring reliability.

Package and Quantity

The LT3690MPUFE#TRPBF is typically packaged in a compact 16-pin QFN (Quad Flat No-Lead) package. It is supplied in reels, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage Range: 0.8V to 34V
• Maximum Output Current: 4A
• Switching Frequency: Adjustable up to 1MHz
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3690MPUFE#TRPBF features a 16-pin QFN package with the following pin configuration:

1. VIN: Input Voltage
2. SW: Switch Node
3. GND: Ground
4. FB: Feedback Voltage
5. SS/TR/UVLO: Soft-Start, Tracking, and Undervoltage Lockout
6. VCC: Control Supply Voltage
7. SYNC: Synchronization Input
8. PGND: Power Ground
9. VOUT: Output Voltage
10. COMP: Compensation Node
11. RT/CLK: Timing Resistor/Clock Synchronization
12. SS/TR/UVLO: Soft-Start, Tracking, and Undervoltage Lockout
13. GATE: Gate Drive Output
14. GATE: Gate Drive Output
15. GATE: Gate Drive Output
16. GATE: Gate Drive Output

Functional Features

1. High Efficiency: The LT3690MPUFE#TRPBF utilizes advanced control techniques to achieve high conversion efficiency, reducing power losses.
2. Adjustable Switching Frequency: The IC allows the switching frequency to be adjusted up to 1MHz, enabling optimization for different applications.
3. Soft-Start and Tracking: It incorporates soft-start and tracking features to minimize inrush current and ensure smooth startup.
4. Synchronization Capability: The SYNC pin enables synchronization with an external clock signal, facilitating system integration.
5. Overcurrent Protection: The IC includes overcurrent protection to safeguard against excessive load currents, enhancing system reliability.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Compact package size
• Robustness for harsh environments
• Adjustable switching frequency

Disadvantages

• Limited maximum output current (4A)
• Requires external compensation components for stability

Working Principles

The LT3690MPUFE#TRPBF operates as a step-down (buck) switching regulator. It converts a higher input voltage to a lower output voltage using a power MOSFET switch and an inductor. The control circuitry adjusts the duty cycle of the switch to regulate the output voltage based on feedback information.

During operation, the input voltage is applied to the VIN pin, and the regulated output voltage is obtained from the VOUT pin. The control circuit continuously monitors the output voltage through the FB pin and adjusts the switch duty cycle accordingly to maintain a stable output.

Detailed Application Field Plans

The LT3690MPUFE#TRPBF finds applications in various fields, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Portable electronic devices - Power supplies for embedded systems - LED lighting systems

Alternative Models

For similar power management requirements, alternative models to the LT3690MPUFE#TRPBF include: - LT3691MPUFE#TRPBF - LT3692MPUFE#TRPBF - LT3693MPUFE#TRPBF - LT3694MPUFE#TRPBF

These alternatives offer similar features and performance characteristics, providing flexibility in design choices.

In conclusion, the LT3690MPUFE#TRP