LM3622M-4.2/NOPB

Product Overview

Category

The LM3622M-4.2/NOPB belongs to the category of voltage regulators.

Use

It is used to regulate and control the output voltage in various electronic devices and systems.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.2V
• Low Dropout Voltage: 300mV at 500mA
• Low Quiescent Current: 75µA
• Shutdown Mode for Power Savings
• Thermal Shutdown Protection

Package

The LM3622M-4.2/NOPB is available in a small outline package (SOT-23) for easy integration into compact designs.

Essence

The essence of LM3622M-4.2/NOPB lies in its ability to provide stable and efficient voltage regulation in a compact form factor.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.2V
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 75µA
• Shutdown Current: 0.1µA
• Operating Temperature Range: -40°C to 125°C
• Thermal Shutdown Temperature: 150°C

Detailed Pin Configuration

The LM3622M-4.2/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. SHDN (Shutdown) 4. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: Provides a stable 4.2V output voltage.
• Low Dropout Voltage: Ensures efficient operation even with low input voltages.
• Shutdown Mode: Allows for power savings when the device is not in use.
• Thermal Shutdown Protection: Safeguards the regulator from overheating.

Advantages and Disadvantages

Advantages

• Compact form factor
• Low dropout voltage
• Efficient power management with shutdown mode
• Thermal protection for reliability

Disadvantages

• Limited to fixed output voltage of 4.2V
• May require additional components for specific applications

Working Principles

The LM3622M-4.2/NOPB operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant 4.2V output, regardless of variations in input voltage or load conditions. The thermal shutdown feature ensures that the device remains within safe operating temperatures.

Detailed Application Field Plans

The LM3622M-4.2/NOPB is well-suited for various portable and battery-powered applications, including: - Mobile devices - Portable audio players - Handheld instruments - Battery charging circuits - Wearable electronics

Detailed and Complete Alternative Models

• LM317: Adjustable voltage regulator with a wide input voltage range
• LM1117: Fixed voltage regulator available in various output voltage options
• LM2937: Low dropout voltage regulator for battery-powered applications

In conclusion, the LM3622M-4.2/NOPB is a compact and efficient voltage regulator suitable for a wide range of portable electronic devices, offering stable voltage regulation, low dropout voltage, and power-saving features. Its application extends to various consumer electronics, industrial instruments, and battery-powered systems, making it a versatile choice for voltage regulation needs.

[Word Count: 511]