LT3694EUFD-1#TRPBF

Product Overview

Category

The LT3694EUFD-1#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power management applications, providing efficient and reliable voltage regulation.

Characteristics

• High efficiency: The LT3694EUFD-1#TRPBF offers high efficiency power conversion, minimizing energy loss.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for various applications.
• Low quiescent current: The IC has low quiescent current consumption, reducing power wastage during standby or idle modes.
• Compact package: The LT3694EUFD-1#TRPBF comes in a small and compact package, enabling space-saving designs.
• Robust protection features: It incorporates various protection mechanisms like overvoltage, overcurrent, and thermal shutdown, ensuring safe operation.

Package and Quantity

The LT3694EUFD-1#TRPBF is available in a 28-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels containing a specified quantity, usually around 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage Range: 0.8V to 34V
• Maximum Output Current: 3A
• Switching Frequency: Adjustable up to 2MHz
• Quiescent Current: 60μA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3694EUFD-1#TRPBF has a total of 28 pins. Here is a detailed pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. PGND: Power ground pin
4. AGND: Analog ground pin
5. FB: Feedback voltage input
6. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout control pin
7. VCC: Supply voltage for internal circuitry
8. SYNC/MODE: External synchronization or mode selection pin
9. RT/CLKOUT: Timing resistor or clock output pin
10. CLKIN: Clock input pin
11. PGOOD: Power good indicator output
12. EN/UVLO: Enable and undervoltage lockout control pin 13-28. NC: No connection pins

Functional Features

1. High Efficiency: The LT3694EUFD-1#TRPBF utilizes advanced power conversion techniques to achieve high efficiency, reducing power dissipation and improving overall system performance.
2. Adjustable Output Voltage: The IC allows the user to set the desired output voltage within a wide range, providing flexibility for different applications.
3. Current Limiting and Protection: It incorporates current limiting and various protection features like overvoltage and thermal shutdown, safeguarding the connected components from damage.
4. Soft-Start and Tracking: The soft-start feature ensures a gradual ramp-up of the output voltage during startup, preventing excessive inrush current. Tracking capability enables precise voltage tracking for multiple outputs.
5. Synchronization: The LT3694EUFD-1#TRPBF can be synchronized with an external clock signal, allowing synchronization with other power management modules in the system.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy efficiency.
• Wide input voltage range makes it suitable for a variety of applications.
• Compact package enables space-saving designs.
• Robust protection features ensure safe operation and protect connected components.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires careful consideration of external components and circuit design for optimal performance.

Working Principles

The LT3694EUFD-1#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, an inductor, and capacitors. The IC controls the duty cycle of the switch to regulate the output voltage based on feedback from the FB pin. By adjusting the duty cycle, it maintains a stable output voltage despite variations in input voltage or load conditions.

Detailed Application Field Plans

The LT3694EUFD-1#TRPBF finds applications in various fields, including but not limited to: - Industrial automation - Telecommunications equipment - Automotive electronics - Portable devices - Power supplies - LED lighting systems

Alternative Models

Here are some alternative models that offer similar functionality: - LT3694EUFD-2#TRPBF - LT3694EUFD-3#TRPBF - LT3694EUFD-4#TRPBF