MP1921HN-A-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, compact size, low power consumption
• Package: LF-Z package
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 2A
• Switching Frequency: 1.5MHz
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Overcurrent protection, thermal shutdown, undervoltage lockout

Detailed Pin Configuration

The MP1921HN-A-LF-Z has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switching pin
6. PG: Power Good pin
7. VOUT: Output voltage pin

Functional Features

• High efficiency conversion of input voltage to output voltage
• Wide input voltage range allows for versatile applications
• Compact size enables integration into space-constrained designs
• Low power consumption helps conserve energy
• Protection features ensure safe operation under various conditions
• Power Good pin provides indication of output voltage stability

Advantages and Disadvantages

Advantages: - High efficiency results in minimal power loss - Wide input voltage range accommodates different power sources - Compact size allows for flexible placement on PCBs - Low power consumption reduces energy costs - Protection features enhance reliability and safety - Power Good pin provides convenient monitoring capability

Disadvantages: - Limited output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments - Requires external components for proper operation

Working Principles

The MP1921HN-A-LF-Z is a voltage regulator IC that utilizes a switching regulator topology. It operates by continuously switching the input voltage on and off at a high frequency, which is then filtered and regulated to provide a stable output voltage. This switching process allows for efficient power conversion while minimizing power loss.

Detailed Application Field Plans

The MP1921HN-A-LF-Z is commonly used in various applications, including but not limited to:

1. Portable electronic devices such as smartphones, tablets, and portable gaming consoles
2. Industrial equipment and machinery
3. Automotive electronics
4. LED lighting systems
5. Battery-powered devices
6. Distributed power systems

Detailed and Complete Alternative Models

1. MP1920HN-A-LF-Z: Similar specifications and features, but with a lower output current capability of 1.5A.
2. MP1922HN-A-LF-Z: Higher output current capability of 2.5A, suitable for more demanding applications.
3. MP1923HN-A-LF-Z: Adjustable output voltage range, allowing for greater flexibility in design.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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