Monolithic Power Systems Inc.
Bild kan vara representation.
Se specifikationer för produktinformation.
MP2452DD-LF-P
Visa detalj Datablad

MP2452DD-LF-P

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection - Small form factor

Package: DFN-8 (Dual Flat No-Lead)

Essence: The MP2452DD-LF-P is a power management IC designed for efficient voltage regulation in various electronic devices.

Packaging/Quantity: The MP2452DD-LF-P is typically sold in reels containing 3000 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage Range: 0.8V to VIN
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 200mV at 1A
  • Quiescent Current: 100μA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MP2452DD-LF-P features the following pin configuration:

| Pin Name | Function | |----------|----------| | VIN | Input Voltage | | GND | Ground | | EN | Enable Control | | FB | Feedback Voltage | | SW | Switching Node | | PG | Power Good Indicator | | SS | Soft-Start Control | | VOUT | Output Voltage |

Functional Features

  • High efficiency conversion
  • Fast transient response
  • Built-in overcurrent and thermal protection
  • Adjustable output voltage through external resistors
  • Power good indicator for system monitoring
  • Soft-start control for smooth startup

Advantages

  • High efficiency results in reduced power dissipation
  • Wide input voltage range allows for versatile applications
  • Compact package size saves board space
  • Overcurrent and thermal protection enhance system reliability
  • Adjustable output voltage provides flexibility in design

Disadvantages

  • Dropout voltage may limit performance in low input voltage scenarios
  • Quiescent current could impact battery life in low-power applications

Working Principles

The MP2452DD-LF-P is a step-down voltage regulator that uses a synchronous buck converter topology. It operates by switching the input voltage through an internal power MOSFET, which controls the energy transfer to the output. The feedback voltage is compared to a reference voltage, and the duty cycle of the switching signal is adjusted accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The MP2452DD-LF-P is commonly used in various electronic devices requiring efficient voltage regulation, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

  1. MP2453DD-LF-P: Similar specifications with adjustable output voltage range up to 5V.
  2. MP2454DD-LF-P: Higher maximum output current of 2A with fixed output voltage options.
  3. MP2455DD-LF-P: Lower dropout voltage of 150mV at 1A for improved performance in low input voltage scenarios.

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

Word count: 408 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MP2452DD-LF-P i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MP2452DD-LF-P in technical solutions:

  1. Q: What is the MP2452DD-LF-P? A: The MP2452DD-LF-P is a step-down switching regulator IC designed for use in various power supply applications.

  2. Q: What is the input voltage range of the MP2452DD-LF-P? A: The MP2452DD-LF-P has an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range of the MP2452DD-LF-P? A: The MP2452DD-LF-P can provide an adjustable output voltage range from 0.6V to 16V.

  4. Q: What is the maximum output current of the MP2452DD-LF-P? A: The MP2452DD-LF-P can deliver a maximum output current of 2.5A.

  5. Q: Does the MP2452DD-LF-P require any external components for operation? A: Yes, the MP2452DD-LF-P requires external components such as inductors, capacitors, and resistors for proper operation.

  6. Q: Can the MP2452DD-LF-P operate in a wide temperature range? A: Yes, the MP2452DD-LF-P is designed to operate in a temperature range of -40°C to +85°C.

  7. Q: Is the MP2452DD-LF-P suitable for battery-powered applications? A: Yes, the MP2452DD-LF-P is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  8. Q: Does the MP2452DD-LF-P have built-in protection features? A: Yes, the MP2452DD-LF-P includes protection features such as over-current protection, thermal shutdown, and under-voltage lockout.

  9. Q: Can the MP2452DD-LF-P be used in automotive applications? A: Yes, the MP2452DD-LF-P is AEC-Q100 qualified, making it suitable for automotive applications.

  10. Q: What package does the MP2452DD-LF-P come in? A: The MP2452DD-LF-P is available in a compact 8-pin SOIC package.

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