MIC5321-GFYMT-TR

Product Overview

Category

The MIC5321-GFYMT-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Voltage regulation and power management capabilities
• Compact size and high efficiency
• Wide input voltage range
• Low quiescent current
• Overcurrent and thermal protection features

Package

The MIC5321-GFYMT-TR is available in a small form factor package, typically a 10-pin QFN (Quad Flat No-Lead) package.

Essence

The essence of the MIC5321-GFYMT-TR lies in its ability to regulate and manage voltage efficiently, ensuring stable power supply to electronic devices.

Packaging/Quantity

The product is usually packaged in reels or tubes, with a typical quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to VIN
• Maximum Output Current: 500mA
• Quiescent Current: 35µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC5321-GFYMT-TR has a total of 10 pins. The pin configuration is as follows:

1. EN (Enable): Controls the enable/disable state of the device.
2. FB (Feedback): Provides feedback for output voltage regulation.
3. GND (Ground): Common ground reference for the device.
4. SW (Switch): Connects to the external inductor for power conversion.
5. LX (Low-Side Switch): Connects to the low-side MOSFET of the synchronous buck converter.
6. PG (Power Good): Indicates the status of the output voltage.
7. VOUT (Output Voltage): Provides the regulated output voltage.
8. VIN (Input Voltage): Connects to the input power source.
9. BST (Bootstrap): Connects to an external capacitor for high-side MOSFET gate drive.
10. SS (Soft-Start): Controls the soft-start time of the device.

Functional Features

• Integrated synchronous buck converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator
• Soft-start functionality

Advantages and Disadvantages

Advantages

• High efficiency power management
• Compact size for space-constrained applications
• Wide input voltage range for versatility
• Overcurrent and thermal protection for enhanced reliability
• Power good indicator for easy monitoring

Disadvantages

• Limited maximum output current (500mA)
• Requires external components for operation

Working Principles

The MIC5321-GFYMT-TR operates as a synchronous buck converter, converting the input voltage to a regulated output voltage. It utilizes pulse-width modulation (PWM) techniques to control the switching of the internal MOSFETs, achieving efficient power conversion. The feedback loop ensures that the output voltage remains stable within the desired range.

Detailed Application Field Plans

The MIC5321-GFYMT-TR finds applications in various electronic devices requiring voltage regulation and power management. Some potential application fields include:

1. Mobile devices: Smartphones, tablets, portable media players.
2. IoT devices: Wearables, smart home devices, sensors.
3. Industrial equipment: Automation systems, control panels, motor drives.
4. Automotive electronics: Infotainment systems, navigation units, lighting controls.
5. Consumer electronics: Gaming consoles, audio/video equipment, digital cameras.

Detailed and Complete Alternative Models

1. MIC5320-GFYMT-TR
2. MIC5322-GFYMT-TR
3. MIC5323-GFYMT-TR
4. MIC5324-GFYMT-TR
5. MIC5325-GFYMT-TR

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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