Monolithic Power Systems Inc.
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
MP2112DQ-LF-P
vedi dettagli Schede tecniche

MP2112DQ-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, compact size
  • Package: DFN-8 (Dual Flat No-Lead)
  • Essence: Step-Down Converter
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to 16V
  • Output Current: Up to 1.2A
  • Switching Frequency: 1.2MHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2112DQ-LF-P 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. PGND: Power ground pin
  7. NC: No connection
  8. VOUT: Output voltage pin

Functional Features

  • High efficiency conversion of input voltage to output voltage
  • Low dropout voltage ensures stable output even with varying input voltage
  • Compact size allows for space-saving designs
  • Overcurrent protection and thermal shutdown features ensure safe operation

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range allows for versatile applications - Compact size enables integration into small form factor devices - Overcurrent protection and thermal shutdown enhance reliability

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external components for proper operation - Higher cost compared to non-integrated voltage regulators

Working Principles

The MP2112DQ-LF-P is a step-down converter that uses a synchronous rectification technique to efficiently convert the input voltage to a lower output voltage. It employs a pulse-width modulation (PWM) control scheme to regulate the output voltage. The integrated circuit includes a high-side and low-side power MOSFET, as well as control circuitry for feedback regulation and protection features.

Detailed Application Field Plans

The MP2112DQ-LF-P is commonly used in various applications, including but not limited to:

  1. Portable electronic devices: Provides regulated power supply for smartphones, tablets, and portable media players.
  2. Industrial equipment: Suitable for powering sensors, actuators, and control systems in industrial automation.
  3. Automotive electronics: Used in automotive infotainment systems, lighting controls, and other vehicle electronics.
  4. IoT devices: Enables efficient power management in Internet of Things (IoT) devices such as smart home devices and wearables.

Detailed and Complete Alternative Models

  1. MP2307DN: Similar step-down converter with higher output current capability.
  2. MP1482DS: Step-down converter with adjustable output voltage and higher switching frequency.
  3. MP1584EN: Step-down converter with wider input voltage range and lower dropout voltage.

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

Word count: 342 words

10 domande e risposte comuni relative all'applicazione di MP2112DQ-LF-P nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of MP2112DQ-LF-P in technical solutions:

  1. Question: What is the MP2112DQ-LF-P?
    Answer: The MP2112DQ-LF-P is a step-down switching regulator IC that provides a regulated output voltage from a higher input voltage.

  2. Question: What is the input voltage range for the MP2112DQ-LF-P?
    Answer: The MP2112DQ-LF-P can accept an input voltage range from 4.5V to 18V.

  3. Question: What is the output voltage range of the MP2112DQ-LF-P?
    Answer: The MP2112DQ-LF-P can provide an adjustable output voltage range from 0.6V to 16V.

  4. Question: What is the maximum output current of the MP2112DQ-LF-P?
    Answer: The MP2112DQ-LF-P can deliver a maximum output current of 1.2A.

  5. Question: Is the MP2112DQ-LF-P suitable for battery-powered applications?
    Answer: Yes, the MP2112DQ-LF-P is suitable for battery-powered applications as it has a low quiescent current and supports pulse skipping mode for improved efficiency.

  6. Question: Does the MP2112DQ-LF-P have built-in protection features?
    Answer: Yes, the MP2112DQ-LF-P includes over-current protection, thermal shutdown, and under-voltage lockout (UVLO) to ensure safe operation.

  7. Question: Can the MP2112DQ-LF-P be used in automotive applications?
    Answer: Yes, the MP2112DQ-LF-P is AEC-Q100 qualified, making it suitable for automotive applications.

  8. Question: What is the switching frequency of the MP2112DQ-LF-P?
    Answer: The MP2112DQ-LF-P operates at a fixed switching frequency of 1.6MHz.

  9. Question: Does the MP2112DQ-LF-P require external compensation components?
    Answer: No, the MP2112DQ-LF-P is internally compensated and does not require any external compensation components.

  10. Question: Can the MP2112DQ-LF-P be used in space-constrained applications?
    Answer: Yes, the MP2112DQ-LF-P is available in a compact QFN package, making it suitable for space-constrained applications.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.