MAX17121ETG+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 24-Pin TQFN
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Output Current: Up to 2A
• Switching Frequency: 100kHz to 2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX17121ETG+ has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. EN: Enable Pin
3. FB: Feedback Pin
4. SS/TR: Soft-Start/Tracking Pin
5. PGND: Power Ground
6. AGND: Analog Ground
7. VCC: Supply Voltage
8. BST: Boost Pin
9. SW: Switch Node
10. LX: Inductor Connection
11. COMP: Compensation Pin
12. SS/TR: Soft-Start/Tracking Pin
13. PGND: Power Ground
14. AGND: Analog Ground
15. VCC: Supply Voltage
16. BST: Boost Pin
17. SW: Switch Node
18. LX: Inductor Connection
19. COMP: Compensation Pin
20. NC: No Connect
21. NC: No Connect
22. NC: No Connect
23. NC: No Connect
24. GND: Ground

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low quiescent current reduces standby power consumption
• Adjustable output voltage provides flexibility in design
• Integrated soft-start and tracking functionality for smooth startup

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Wide input voltage range enables compatibility with various power sources
• Small package size saves board space
• Integrated soft-start and tracking simplify system design

Disadvantages

• Limited output current may not be suitable for high-power applications
• Higher cost compared to non-integrated voltage regulators

Working Principles

The MAX17121ETG+ is a voltage regulator that converts an input voltage within the range of 4.5V to 60V to a regulated output voltage between 0.8V and 55V. It utilizes a boost topology to achieve high efficiency power conversion. The integrated control circuitry ensures stable output voltage despite variations in input voltage and load conditions. The device also incorporates protection features such as overvoltage and overcurrent protection.

Detailed Application Field Plans

The MAX17121ETG+ finds applications in various fields, including:

1. Industrial Automation: Powering sensors, actuators, and control systems.
2. Automotive Electronics: Providing regulated power to infotainment systems, lighting modules, and motor control units.
3. Telecommunications: Powering base stations, routers, and network equipment.
4. Consumer Electronics: Regulating power for audio/video devices, gaming consoles, and home automation systems.
5. Renewable Energy: Controlling power flow in solar panels and wind turbines.

Detailed and Complete Alternative Models

1. MAX17122ETG+: Similar specifications and pin configuration, but with higher output current capability (up to 3A).
2. MAX17123ETG+: Lower input voltage range (2.7V to 36V) but with higher output voltage range (0.8V to 60V).
3. MAX17124ETG+: Integrated dual-channel voltage regulator with independent control for each channel.

These alternative models provide options based on specific application requirements and desired performance characteristics.

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