LTC3417AIFE-2#TRPBF

Product Overview

Category

The LTC3417AIFE-2#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 regulate and control power supply voltages efficiently.

Characteristics

• High efficiency: The LTC3417AIFE-2#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 a low standby current, reducing power consumption when not actively regulating voltages.
• Compact package: The LTC3417AIFE-2#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-2#TRPBF is packaged in an industry-standard 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: 40µA (typical)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3417AIFE-2#TRPBF features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. SS: Soft-start capacitor pin
7. PGND: Power ground pin
8. VOUT: Output voltage pin

Functional Features

• High-efficiency synchronous buck regulator
• Adjustable output voltage through external resistors
• Soft-start function for controlled startup
• Enable pin for power management control
• Overvoltage and undervoltage protection
• Overcurrent protection with hiccup mode
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Wide input voltage range allows compatibility with various power sources.
• Compact package enables space-efficient designs.
• Built-in protection mechanisms enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation, increasing overall system complexity.

Working Principles

The LTC3417AIFE-2#TRPBF operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage efficiently. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The switching frequency can be adjusted to optimize efficiency and minimize output voltage ripple.

When enabled, the device controls the duty cycle of the internal power switches to maintain the desired output voltage. It continuously monitors the output voltage and adjusts the duty cycle accordingly. The soft-start feature ensures a controlled startup by gradually ramping up the output voltage during power-up.

The LTC3417AIFE-2#TRPBF incorporates various protection features such as overvoltage, undervoltage, and overcurrent protection. In case of an abnormal condition, the device responds by shutting down or entering a hiccup mode to protect the load and itself from damage.

Detailed Application Field Plans

The LTC3417AIFE-2#TRPBF finds applications in a wide range of electronic devices and systems, including but not limited to:

1. Portable electronic devices: Smartphones, tablets, portable media players
2. Battery-powered systems: Wearable devices, wireless sensors, IoT devices
3. Industrial equipment: Test and measurement instruments, control systems
4. Automotive electronics: Infotainment systems, advanced driver-assistance systems (ADAS)
5. Communication systems: Network routers, switches, base stations

Detailed and Complete Alternative Models

1. LT8610ABEMSE-2#PBF: Synchronous step-down regulator with similar specifications and package.
2. TPS54332DDAR: Wide input voltage range synchronous buck converter with adjustable output voltage.
3. MAX17503ATJ+: High-efficiency synchronous buck regulator with integrated power switches.

These alternative models offer comparable features and can be considered as substitutes for the LTC3417AIFE-2#TRPBF depending on specific application requirements.

Word count: 660 words