TEA1733LT/N2,118

Product Overview

Category

The TEA1733LT/N2,118 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 functions efficiently.

Characteristics

• High efficiency power management
• Wide input voltage range
• Low standby power consumption
• Overvoltage and overcurrent protection
• Thermal shutdown protection

Package

The TEA1733LT/N2,118 is available in a small outline transistor (SOT669) package, which ensures easy integration into different circuit designs.

Essence

The essence of TEA1733LT/N2,118 lies in its ability to provide reliable and efficient power management solutions for a wide range of applications.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel containing a specific quantity of TEA1733LT/N2,118 ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 0.8V to 37V
• Maximum Output Current: 1.5A
• Switching Frequency: 100kHz to 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TEA1733LT/N2,118 IC has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. VIN: Input voltage pin
6. SW: Switching node for connecting the external inductor
7. PGND: Power ground reference
8. VOUT: Output voltage pin

Functional Features

• Integrated high-side and low-side power MOSFETs for efficient switching
• Pulse frequency modulation (PFM) control for improved efficiency at light loads
• Adjustable output voltage through external resistors
• Soft-start function to limit inrush current during startup
• Overvoltage protection (OVP) and overcurrent protection (OCP) for enhanced safety
• Thermal shutdown protection to prevent IC damage due to excessive temperature

Advantages and Disadvantages

Advantages

• High efficiency power management, reducing energy consumption
• Wide input voltage range allows compatibility with various power sources
• Compact package size enables easy integration into space-constrained designs
• Comprehensive protection features enhance system reliability and safety
• Adjustable output voltage provides flexibility for different applications

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires external components for complete power management solution
• Relatively higher cost compared to some alternative models

Working Principles

The TEA1733LT/N2,118 operates based on a pulse frequency modulation (PFM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power MOSFETs. The feedback pin (FB) monitors the output voltage and provides a control signal to the IC, which adjusts the switching frequency accordingly. This control mechanism ensures efficient power transfer and voltage regulation across a wide range of load conditions.

Detailed Application Field Plans

The TEA1733LT/N2,118 is widely used in various applications, including but not limited to:

1. Power supplies for consumer electronics
2. Industrial automation systems
3. LED lighting solutions
4. Automotive electronics
5. Battery charging circuits
6. Renewable energy systems

Detailed and Complete Alternative Models

1. TEA1733LT/N2,112
2. TEA1733LT/N2,115
3. TEA1733LT/N2,120
4. TEA1733LT/N2,125
5. TEA1733LT/N2,130

These alternative models offer similar functionality and characteristics to the TEA1733LT/N2,118, providing flexibility in choosing the most suitable IC for specific applications.

In conclusion, the TEA1733LT/N2,118 is a highly efficient power management IC designed for various electronic devices and systems. Its wide input voltage range, comprehensive protection features, and adjustable output voltage make it a versatile choice for different applications. While it has some limitations, its advantages outweigh the disadvantages, making it a reliable solution for power management needs.