LMR61428XMM/NOPB

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: 8-Pin PowerPAD MSOP

Essence: The LMR61428XMM/NOPB is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The LMR61428XMM/NOPB is available in a 2500-piece reel packaging.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 300mV at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMR61428XMM/NOPB has the following pin configuration:

1. EN (Enable): Enable pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for adjusting the output voltage.
4. VOUT (Output Voltage): Output voltage pin.
5. VIN (Input Voltage): Input voltage pin.
6. SW (Switch): Switching pin for internal power MOSFET.
7. PG (Power Good): Power good indicator pin.
8. NC (No Connect): No connection pin.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• High output current capability allows the IC to power a wide range of devices.
• Adjustable output voltage enables customization according to specific requirements.
• Thermal shutdown protection prevents the IC from overheating.
• Overcurrent protection safeguards against excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for versatile applications. - Adjustable output voltage provides flexibility in design. - Thermal shutdown and overcurrent protection enhance reliability.

Disadvantages: - Limited input voltage range (2.7V to 5.5V). - Quiescent current of 45µA may be relatively high for low-power applications.

Working Principles

The LMR61428XMM/NOPB operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The internal circuitry uses a feedback mechanism to adjust the output voltage based on the reference voltage set by the FB pin. The SW pin controls the internal power MOSFET, enabling efficient power conversion. The EN pin allows the regulator to be turned on or off as needed.

Detailed Application Field Plans

The LMR61428XMM/NOPB is suitable for various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. IoT devices 4. Industrial control systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. LMR61428QDDCRQ1
2. LMR61428XMF/NOPB
3. LMR61428XMFQ1
4. LMR61428XMK/NOPB
5. LMR61428XMKQ1

These alternative models offer similar functionality and characteristics to the LMR61428XMM/NOPB, providing options for different package types or automotive-grade specifications.

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