LM3622M-4.1/NOPB

Product Overview

Category

The LM3622M-4.1/NOPB belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.1V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 200mV at 100mA
• Shutdown Current: 0.1µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The LM3622M-4.1/NOPB is available in a SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.1V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA (typical)
• Shutdown Current: 0.1µA (typical)
• Load Regulation: ±1% (typical)
• Line Regulation: ±0.3% (typical)
• Ripple Rejection: 70dB (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

The LM3622M-4.1/NOPB has the following pin configuration:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: FB (Feedback) Pin 5: VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Wide input voltage range allows for versatile applications.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards the device and connected components.
• Enable pin allows for easy on/off control.

Advantages

• Compact SOT-23-5 package enables space-saving designs.
• Low quiescent current minimizes power consumption.
• Excellent load and line regulation ensure stable output voltage.
• High ripple rejection ratio provides clean output signal.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Fixed output voltage may not be adjustable for specific requirements.

Working Principles

The LM3622M-4.1/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance, thereby maintaining a constant output voltage. The enable pin (EN) controls the regulator's on/off state.

Application Field Plans

The LM3622M-4.1/NOPB finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication systems - Medical equipment - Industrial control systems

Alternative Models

• LM3622M-3.3/NOPB: Output voltage of 3.3V
• LM3622M-5.0/NOPB: Output voltage of 5.0V
• LM3622M-ADJ/NOPB: Adjustable output voltage

These alternative models offer different output voltage options to suit specific application requirements.

In conclusion, the LM3622M-4.1/NOPB is a voltage regulator with a fixed output voltage of 4.1V. It offers low dropout voltage, thermal shutdown protection, and short circuit protection. Its compact package and excellent regulation characteristics make it suitable for a wide range of applications in various industries.