MAX17121ETG+T

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
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

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

1. VIN: Input voltage pin
2. EN: Enable pin
3. FB: Feedback pin
4. SS/TR: Soft-start/Tracking pin
5. PGND: Power ground pin
6. AGND: Analog ground pin
7. COMP: Compensation pin
8. VCC: Supply voltage pin for internal control circuitry
9. BST: Bootstrap pin
10. SW: Switch node pin
11. LX: Inductor connection pin
12. PG: Power good indicator pin
13. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency conversion for power-sensitive devices
• Low quiescent current minimizes power consumption during standby
• Adjustable output voltage provides flexibility in system design
• Overcurrent and overtemperature protection ensures safe operation

Advantages and Disadvantages

Advantages

• High efficiency operation reduces power dissipation
• Small package size saves board space
• Wide input voltage range enables compatibility with various power sources
• Adjustable output voltage suits different system requirements
• Overcurrent and overtemperature protection enhance reliability

Disadvantages

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

Working Principles

The MAX17121ETG+T is a voltage regulator IC that converts an input voltage into a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency conversion. The device operates by rapidly switching an internal power transistor on and off, controlling the energy transfer from the input to the output. This switching action allows for efficient voltage regulation while minimizing power losses.

Detailed Application Field Plans

The MAX17121ETG+T finds applications in various fields, including:

1. Industrial Automation: Power management for control systems, motor drives, and sensors.
2. Automotive Electronics: Voltage regulation for infotainment systems, lighting, and powertrain components.
3. Telecommunications: Power supply for network equipment, base stations, and communication devices.
4. Consumer Electronics: Voltage regulation for portable devices, audio/video equipment, and home appliances.
5. Renewable Energy: Power management for solar panels, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

1. LM2596S-ADJ: Adjustable Step-Down Switching Regulator
2. LT1763-3.3: Low Dropout Linear Regulator
3. TPS54332: Synchronous Buck Converter
4. MP2307DN: Step-Down Converter with Integrated Power MOSFET
5. ADP2384: High Efficiency Step-Down DC-DC Converter

These alternative models offer similar functionality and can be considered as substitutes for the MAX17121ETG+T in specific applications.

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