LM3822MM-1.0/NOPB

Product Overview

Category

The LM3822MM-1.0/NOPB belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize voltage in electronic circuits, ensuring a consistent power supply to connected components.

Characteristics

• Input Voltage Range: 4.5V to 7V
• Output Voltage: 1.0V
• Low Dropout Voltage: 200mV at 500mA
• Low Quiescent Current: 75µA
• Thermal Shutdown Protection

Package

The LM3822MM-1.0/NOPB comes in a miniature SOT-23 package, which is suitable for space-constrained applications.

Packaging/Quantity

It is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 7V
• Output Voltage: 1.0V
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C
• Thermal Shutdown: Yes

Detailed Pin Configuration

The LM3822MM-1.0/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the output voltage.
• Low Quiescent Current: Minimizes power consumption during standby or idle modes.
• Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

• Small form factor
• Low dropout voltage
• Minimal power consumption

Disadvantages

• Limited input voltage range
• Higher cost compared to traditional linear regulators

Working Principles

The LM3822MM-1.0/NOPB utilizes a precision bandgap reference and a feedback loop to maintain a stable output voltage despite variations in the input voltage and load conditions. It achieves this by adjusting the pass transistor to regulate the output voltage within the specified range.

Detailed Application Field Plans

The LM3822MM-1.0/NOPB is well-suited for various portable and battery-powered devices, such as: - Mobile phones - Portable media players - Digital cameras - Handheld gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM3822MM-1.0/NOPB include: - LM1117 - LM2937 - LT1763

In conclusion, the LM3822MM-1.0/NOPB is a compact and efficient voltage regulator suitable for low-power applications, offering precise voltage regulation and thermal protection. Its small form factor and low quiescent current make it an ideal choice for portable electronic devices. However, its limited input voltage range and relatively higher cost compared to traditional linear regulators should be considered when selecting a voltage regulator for a specific application.