MPQ3426DL-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: QFN-16
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1.5A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ3426DL-LF-Z has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS: Soft-Start Pin
6. PGND: Power Ground
7. SW: Switch Node
8. SW: Switch Node
9. SW: Switch Node
10. SW: Switch Node
11. VOUT: Output Voltage
12. VOUT: Output Voltage
13. VOUT: Output Voltage
14. VOUT: Output Voltage
15. PGND: Power Ground
16. VIN: Input Voltage

Functional Features

• High efficiency voltage regulation
• Low power consumption
• Overcurrent protection
• Thermal shutdown protection
• Soft-start for smooth power-up
• Enable pin for easy control

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Wide input voltage range allows for versatile applications - Compact package size saves board space - Overcurrent and thermal protection ensure device safety - Soft-start feature prevents voltage spikes during startup

Disadvantages: - Limited maximum output current (1.5A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The MPQ3426DL-LF-Z is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.8V and 3.6V. It achieves this through a switching power supply topology, which provides high efficiency by minimizing power loss.

The IC utilizes a feedback mechanism to continuously monitor the output voltage and adjust the duty cycle of the internal switch accordingly. This ensures a stable and accurate output voltage despite variations in the input voltage or load conditions.

Additionally, the MPQ3426DL-LF-Z incorporates various protection features such as overcurrent and thermal shutdown. These safeguards prevent damage to the IC and connected components in case of excessive current or high temperatures.

Detailed Application Field Plans

The MPQ3426DL-LF-Z is commonly used in various applications where efficient voltage regulation is required. Some potential application fields include:

1. Portable electronic devices: The IC's low power consumption and compact package make it suitable for battery-powered devices such as smartphones, tablets, and portable media players.
2. IoT devices: With its wide input voltage range and small form factor, the MPQ3426DL-LF-Z can be utilized in Internet of Things (IoT) devices that require efficient power management.
3. Industrial equipment: The voltage regulator can be employed in industrial control systems, motor drives, and other machinery that demand reliable and stable power supply.
4. Automotive electronics: Due to its operating temperature range, the IC can be used in automotive applications like infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

1. MPQ3425DL-LF-Z: Similar to MPQ3426DL-LF-Z, but with a lower maximum output current of 1A.
2. MPQ3427DL-LF-Z: Similar to MPQ3426DL-LF-Z, but with a higher maximum output current of 2A.
3. MPQ3428DL-LF-Z: Similar to MPQ3426DL-LF-Z, but with an extended operating temperature range of -40°C to +125°C.

These alternative models provide options with varying specifications to cater to different application requirements.

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