MB39C031WQN-G-441-JNEFE1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management IC
• Characteristics:
  • High efficiency
  • Low power consumption
  • Compact size
  • Wide input voltage range
• Package: QFN (Quad Flat No-leads)
• Essence: Power management and control
• Packaging/Quantity: Tape and 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: 1A
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 1.2MHz

Detailed Pin Configuration

The MB39C031WQN-G-441-JNEFE1 has a total of 16 pins arranged as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | EN | Enable control | | 4 | FB | Feedback voltage | | 5 | SW | Switch node | | 6 | LX | Inductor connection | | 7 | PGND | Power ground | | 8 | VOUT | Output voltage | | 9-16 | NC | Not connected |

Functional Features

• Integrated synchronous step-down DC-DC converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function for smooth power-up

Advantages

• High efficiency conversion
• Wide input voltage range allows for versatile applications
• Compact size saves board space
• Low power consumption extends battery life
• Overcurrent and thermal protection ensure device safety

Disadvantages

• Limited maximum output current (1A)
• Not suitable for high-power applications

Working Principles

The MB39C031WQN-G-441-JNEFE1 is a step-down DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes synchronous rectification to minimize power losses and maximize efficiency. The feedback voltage (FB) pin is used to set the desired output voltage, which can be adjusted within the specified range. The enable control (EN) pin allows for easy on/off control of the IC.

Detailed Application Field Plans

The MB39C031WQN-G-441-JNEFE1 is commonly used in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable media players. It is also suitable for battery-powered IoT devices, wearable devices, and other low-power applications where efficient power management is crucial.

Detailed and Complete Alternative Models

• MB39C031WQN-G-442-JNEFE1: Similar specifications, different pin configuration
• MB39C032WQN-G-441-JNEFE1: Higher maximum output current (2A), otherwise similar specifications
• MB39C033WQN-G-441-JNEFE1: Lower maximum output current (500mA), otherwise similar specifications

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

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