LTC3417AIFE-1#TRPBF

Product Overview

Category

The LTC3417AIFE-1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency: The LTC3417AIFE-1#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 device has low standby power consumption, enhancing energy efficiency.
• Compact package: The LTC3417AIFE-1#TRPBF is available in a small form factor package, enabling space-saving designs.
• Robustness: It features built-in protection mechanisms against overvoltage, undervoltage, and overcurrent conditions.

Package and Quantity

The LTC3417AIFE-1#TRPBF is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). It is typically sold in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Switching Frequency: Adjustable up to 4MHz
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3417AIFE-1#TRPBF has the following pin configuration:

```

---

| | --| VIN GND|-- --| SW FB |-- --| PGND VOUT|-- --| EN SS |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• SW: Switching node pin
• FB: Feedback pin for output voltage regulation
• PGND: Power ground pin
• VOUT: Output voltage pin
• EN: Enable pin for device control
• SS: Soft-start pin for gradual power-up

Functional Features

1. High Efficiency: The LTC3417AIFE-1#TRPBF utilizes advanced switching techniques to achieve high conversion efficiency, reducing power losses during voltage regulation.
2. Wide Input Voltage Range: It can accept input voltages ranging from 2.25V to 5.5V, making it compatible with various power sources.
3. Output Voltage Regulation: The feedback pin (FB) allows precise control of the output voltage within the specified range.
4. Protection Mechanisms: The device incorporates protection features such as overvoltage, undervoltage, and overcurrent protection, ensuring safe operation under different conditions.
5. Adjustable Switching Frequency: The switching frequency can be adjusted up to 4MHz, allowing optimization between efficiency and component size.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption and longer battery life.
• Wide input voltage range enables compatibility with different power sources.
• Compact package facilitates space-saving designs.
• Built-in protection mechanisms enhance system reliability and durability.
• Adjustable switching frequency provides flexibility for design optimization.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires careful consideration of external components for optimal performance.

Working Principles

The LTC3417AIFE-1#TRPBF operates based on a switching regulator topology. It converts the input voltage to the desired output voltage by rapidly switching an internal power transistor. This switching action, controlled by an integrated circuit, efficiently transfers energy from the input to the output while minimizing power losses.

The device employs a feedback mechanism to regulate the output voltage. By comparing the actual output voltage with a reference voltage, it adjusts the duty cycle of the internal power transistor to maintain a stable output voltage within the specified range.

Detailed Application Field Plans

The LTC3417AIFE-1#TRPBF finds applications in various fields, including but not limited to:

1. Portable electronic devices: It can be used in smartphones, tablets, and portable media players to regulate power supply voltages efficiently.
2. Industrial automation: The device is suitable for powering sensors, actuators, and control systems in industrial automation applications.
3. Automotive electronics: It can be employed in automotive systems such as infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).
4. IoT devices: The LTC3417AIFE-1#TRPBF can power IoT devices like smart home appliances, wearables, and wireless sensor networks.
5. Battery-powered systems: It is well-suited for battery-powered