MP1921HS-A-LF

Product Overview

Category: Electronic Component
Use: Power Management
Characteristics: High Efficiency, Low Power Consumption
Package: Surface Mount Device (SMD)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 2A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Package Dimensions: 3mm x 3mm

Detailed Pin Configuration

The MP1921HS-A-LF 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 node pin
6. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low power consumption enhances energy efficiency
• Compact package size enables space-saving designs
• Built-in protection features such as over-current and thermal shutdown

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation - Wide input voltage range accommodates various power sources - Small package size facilitates integration into compact devices - Built-in protection features enhance system reliability

Disadvantages: - Limited maximum output current may restrict certain high-power applications - Requires external components for proper operation

Working Principles

The MP1921HS-A-LF is a voltage regulator that converts an input voltage within the range of 4.5V to 24V to a regulated output voltage between 0.8V and 5.5V. It utilizes a switching regulator topology to achieve high efficiency. The device operates by rapidly switching an internal power transistor on and off, controlling the energy flow to maintain a stable output voltage. Feedback mechanisms ensure that the output voltage remains within the desired range.

Detailed Application Field Plans

The MP1921HS-A-LF is commonly used in various applications, including but not limited to:

1. Portable electronic devices
2. Battery-powered systems
3. Industrial automation equipment
4. Automotive electronics
5. LED lighting systems

Detailed and Complete Alternative Models

1. MP1920HS-A-LF: Similar specifications and features, but with a different package size (2mm x 2mm)
2. MP1922HS-A-LF: Higher maximum output current (3A), suitable for more demanding applications
3. MP1923HS-A-LF: Lower input voltage range (2.7V to 18V), ideal for specific power sources

Note: This list is not exhaustive, and there may be other alternative models available from the manufacturer.

In conclusion, the MP1921HS-A-LF is a voltage regulator with high efficiency and low power consumption. Its compact size and wide input voltage range make it suitable for various applications. While it has limitations in terms of maximum output current, it offers built-in protection features and reliable performance.