LMR61428XMMX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: X2SON

Essence: The LMR61428XMMX/NOPB is a voltage regulator IC that provides a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Output Current: Up to 1A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMR61428XMMX/NOPB has the following pin configuration:

1. EN (Enable): Enable input pin for turning the regulator on/off.
2. FB (Feedback): Feedback pin for adjusting the output voltage.
3. GND (Ground): Ground reference pin.
4. VIN (Input Voltage): Input voltage supply pin.
5. VOUT (Output Voltage): Output voltage pin.

Functional Features

• High efficiency conversion of input voltage to regulated output voltage.
• Adjustable output voltage allows flexibility in different applications.
• Current limit protection prevents excessive current flow.
• Thermal shutdown protection prevents overheating of the IC.

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation. - Low dropout voltage ensures stable operation even with low input voltages. - Adjustable output voltage allows customization for specific requirements. - Current limit and thermal shutdown protection enhance reliability.

Disadvantages: - Limited output current capacity (up to 1A). - Requires external components for proper operation. - Not suitable for high voltage applications.

Working Principles

The LMR61428XMMX/NOPB operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable output voltage. The feedback pin (FB) is used to adjust the output voltage by connecting appropriate resistors. The enable pin (EN) controls the on/off state of the regulator. When enabled, the IC regulates the input voltage to the desired output voltage with high efficiency.

Detailed Application Field Plans

The LMR61428XMMX/NOPB can be used in various electronic devices and applications, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wearable devices - IoT (Internet of Things) devices - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the LMR61428XMMX/NOPB are: - LM317: Adjustable voltage regulator with higher output current capacity. - LM1117: Fixed voltage regulator with different output voltage options. - LT1763: Low dropout voltage regulator with adjustable output voltage.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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