LM2796TL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Low dropout voltage - Overcurrent protection - Thermal shutdown protection

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: The LM2796TL/NOPB is a voltage regulator IC designed to provide a regulated output voltage from a wide range of input voltages. It offers high efficiency and various protection features, making it suitable for a wide range of applications.

Packaging/Quantity: The LM2796TL/NOPB is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2796TL/NOPB has the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. SW (Switch)
5. VIN (Input Voltage)
6. VOUT (Output Voltage)

Functional Features

• High Efficiency: The LM2796TL/NOPB utilizes a synchronous buck converter topology, resulting in high efficiency even at low output currents.
• Wide Input Voltage Range: It can accept input voltages ranging from 2.7V to 5.5V, making it compatible with various power sources.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 3.3V, providing flexibility for different applications.
• Low Dropout Voltage: The dropout voltage is only 200mV at 1A output current, minimizing power dissipation and maximizing efficiency.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive load currents.
• Thermal Shutdown Protection: It includes thermal shutdown protection to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection features

Disadvantages: - Limited maximum output current (1.5A)

Working Principles

The LM2796TL/NOPB operates as a synchronous buck converter. It uses a high-side MOSFET and a low-side synchronous rectifier to efficiently step down the input voltage to the desired output voltage. The feedback mechanism adjusts the duty cycle of the switching signal to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The LM2796TL/NOPB can be used in various applications that require a regulated voltage supply, such as: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the LM2796TL/NOPB include: - LM2576T-ADJ/NOPB - LM317T/NOPB - LM1117IMPX-3.3/NOPB - TPS5430DDAR/NOPB - LT1763CS8-3.3/NOPB

These alternatives offer similar functionality and can be considered based on specific application requirements.

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