EC2630QI

Product Overview

• Category: Power Management IC
• Use: Voltage Regulator
• Characteristics: High Efficiency, Low Noise, Small Package Size
• Package: QFN (Quad Flat No-Lead)
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V - 5.5V
• Output Voltage Range: 0.6V - 3.3V
• Output Current: Up to 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Shutdown Current: <1µA
• Switching Frequency: 1.2MHz

Pin Configuration

The EC2630QI has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. PG: Power Good Indicator
7. SS: Soft-Start Pin
8. BST: Boost Pin

Functional Features

• High efficiency power conversion
• Low output voltage ripple and noise
• Overcurrent and overtemperature protection
• Adjustable output voltage through external resistors
• Power good indicator for system monitoring
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Small package size saves board space - Wide input voltage range allows for versatile applications - Excellent load and line regulation ensures stable output voltage

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external components for proper operation - Higher cost compared to some alternative models

Working Principles

The EC2630QI is a synchronous buck voltage regulator. It utilizes a high-frequency switching technique to efficiently convert the input voltage to a lower, regulated output voltage. The integrated control circuitry adjusts the duty cycle of the internal power switches to maintain the desired output voltage level. Feedback from the output voltage is continuously monitored and compared to a reference voltage, allowing for precise regulation.

Application Field Plans

The EC2630QI is suitable for various applications that require efficient voltage regulation. Some potential application fields include:

1. Portable electronic devices
2. Battery-powered systems
3. Industrial automation equipment
4. Telecommunications infrastructure
5. Automotive electronics

Alternative Models

For those seeking alternative options, the following models provide similar functionality:

1. EC2640QI: Higher output current capability (up to 6A)
2. EC2620QI: Lower cost option with slightly reduced efficiency
3. EC2615QI: Smaller package size for space-constrained designs

These alternatives can be considered based on specific requirements and constraints.

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