ET4-N4228

Product Overview

ET4-N4228 is a high-performance integrated circuit belonging to the category of power management ICs. It is designed for use in various electronic devices and systems, offering characteristics such as high efficiency, compact package, and versatile applications. The essence of ET4-N4228 lies in its ability to efficiently regulate and manage power supply within electronic devices. It is typically packaged in a small form factor and is available in various packaging/quantity options to suit different application requirements.

Specifications

• Input Voltage Range: 3V to 36V
• Output Voltage Range: 0.6V to 28V
• Maximum Output Current: 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C
• Package Type: QFN (Quad Flat No-leads)
• Package Size: 5mm x 5mm
• Quantity Options: Available in reels of 2500 units

Detailed Pin Configuration

1. VIN (Pin 1): Input voltage
2. SW (Pin 2): Switching node
3. GND (Pin 3): Ground
4. FB (Pin 4): Feedback
5. EN (Pin 5): Enable
6. PG (Pin 6): Power good indicator
7. VOUT (Pin 7): Output voltage
8. SS/TRK (Pin 8): Soft-start/tracking

Functional Features

• Wide input voltage range for versatile applications
• High efficiency and low power dissipation
• Integrated overcurrent and thermal protection
• Adjustable output voltage through external resistors
• Power good indicator for system monitoring
• Soft-start function to reduce inrush current

Advantages and Disadvantages

Advantages

• Compact package suitable for space-constrained designs
• High efficiency contributes to energy savings
• Versatile input and output voltage ranges for flexibility
• Integrated protection features enhance system reliability

Disadvantages

• Limited maximum output current compared to some alternative models
• External components required for certain functions may increase BOM cost

Working Principles

ET4-N4228 operates based on a buck converter topology, where it efficiently steps down the input voltage to provide a regulated output voltage. The internal control circuitry adjusts the duty cycle of the switching element to maintain the desired output voltage, while protection mechanisms ensure safe operation under various conditions.

Detailed Application Field Plans

ET4-N4228 finds extensive application in various fields, including: - Consumer electronics: Power supplies for smartphones, tablets, and portable devices - Industrial automation: Motor control, sensor interfaces, and PLCs - Automotive: LED lighting, infotainment systems, and power distribution modules - Telecommunications: Base stations, network equipment, and data centers

Detailed and Complete Alternative Models

Some alternative models to ET4-N4228 include: - ET4-N5228: Higher maximum output current for demanding applications - ET4-N3228: Lower cost option with slightly reduced efficiency - ET4-N6228: Enhanced thermal performance for harsh operating environments

In conclusion, ET4-N4228 is a versatile power management IC with a wide range of applications and features that make it an ideal choice for various electronic systems and devices.

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