MAX8725ETI+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Step-Down DC-DC Converter
• Package: 28-Pin Thin QFN
• Essence: Regulates and converts input voltage to a lower output voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8725ETI+T has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node Connection
4. FB: Feedback Voltage Input
5. COMP: Compensation Node
6. SS/TR: Soft-Start/Tracking Control
7. EN: Enable Pin
8. PGND: Power Ground
9. LX: Inductor Connection
10. BST: Bootstrap Capacitor Connection
11. AGND: Analog Ground
12. VCC: Supply Voltage for Internal Circuitry
13. VCCP: Power Supply for Gate Drive
14. VCCB: Bias Supply Voltage
15. VCCINT: Internal Digital Supply Voltage
16. VCCSENSE: Sense Amplifier Supply Voltage
17. VCCREF: Reference Voltage Output
18. VCCFB: Feedback Voltage Output
19. VCCCOMP: Compensation Voltage Output
20. VCCSS/TR: Soft-Start/Tracking Voltage Output
21. VCCEN: Enable Voltage Output
22. VCCPGND: Power Ground for Internal Circuitry
23. VCCBST: Bootstrap Capacitor Voltage Output
24. VCCAGND: Analog Ground for Internal Circuitry
25. VCCSENSE: Sense Amplifier Voltage Output
26. VCCSW: Switch Node Voltage Output
27. VCCFB: Feedback Voltage Input
28. VCCCOMP: Compensation Voltage Input

Functional Features

• High-efficiency step-down DC-DC converter
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Integrated soft-start and tracking control for smooth operation
• Enable pin for easy on/off control
• Overcurrent and overtemperature protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for flexibility in various applications - Compact package size saves board space - Integrated protection features enhance reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The MAX8725ETI+T is a step-down DC-DC converter that regulates the input voltage to a lower output voltage. It utilizes a switching regulator topology to efficiently convert the power. The input voltage is connected to the VIN pin, and the regulated output voltage is obtained from the FB pin. The device operates at a high switching frequency of 1MHz, allowing for smaller external components.

Detailed Application Field Plans

The MAX8725ETI+T is commonly used in various applications, including but not limited to:

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

Detailed and Complete Alternative Models

1. MAX8724ETI+T
2. MAX8726ETI+T
3. MAX8727ETI+T
4. MAX8728ETI+T
5. MAX8729ETI+T

These alternative models offer similar functionality and characteristics to the MAX8725ETI+T, providing options for different design requirements.

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