LM2791LDX-L/NOPB

Introduction

The LM2791LDX-L/NOPB is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate and stabilize voltage levels, ensuring consistent and reliable power supply to sensitive components.

Basic Information Overview

• Category: Integrated Circuit
• Use: Voltage Regulation
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: 8-pin VSSOP
• Essence: Regulating voltage for stable operation of electronic devices
• Packaging/Quantity: Tape & Reel (3000 units)

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Pin 1) - Input Voltage
2. GND (Pin 2) - Ground
3. EN (Pin 3) - Enable Pin
4. BYP (Pin 4) - Bypass Capacitor
5. VOUT (Pin 5) - Output Voltage
6. NC (Pin 6) - No Connection
7. NC (Pin 7) - No Connection
8. PG (Pin 8) - Power Good Indicator

Functional Features

• High Precision: Provides accurate output voltage regulation
• Low Dropout Voltage: Ensures efficient operation even with small input-output differentials
• Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Low quiescent current - Small package size

Disadvantages: - Limited input voltage range - Higher dropout voltage compared to some alternatives

Working Principles

The LM2791LDX-L/NOPB operates by comparing the reference voltage with the feedback voltage to adjust the pass transistor's resistance, thereby regulating the output voltage. The enable pin allows for control over the regulator's operation, while the thermal shutdown feature protects the device from excessive heat.

Detailed Application Field Plans

This voltage regulator is widely used in portable electronic devices such as smartphones, tablets, and portable media players. It is also suitable for battery-powered applications where efficient power management is crucial.

Detailed and Complete Alternative Models

1. LM2937ET-3.3/NOPB
2. LM1117IMPX-3.3/NOPB
3. LM317T/NOPB
4. LM7805CT/NOPB

In conclusion, the LM2791LDX-L/NOPB is a versatile voltage regulator with precise regulation capabilities, making it an essential component in various electronic devices.

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