MAX1901ETJ+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: Thin QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 600mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1901ETJ+ has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. SW: Switching Node
7. PGND: Power Ground
8. AGND: Analog Ground
9. SS/TRK: Soft-Start/Tracking Control
10. COMP: Compensation Pin
11. BST: Bootstrap Capacitor Connection
12. LX: Inductor Connection
13. NC: No Connect
14. NC: No Connect
15. NC: No Connect
16. NC: No Connect

Functional Features

• High Efficiency: The MAX1901ETJ+ offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 30µA, it ensures minimal power consumption during standby or low load conditions.
• Soft-Start/Tracking Control: The SS/TRK pin allows for smooth startup and tracking of the output voltage.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Low power consumption during standby
• Soft-start and tracking control for smooth operation
• Overcurrent protection for added safety

Disadvantages

• Limited maximum output current (600mA)
• Restricted input voltage range (2.7V to 5.5V)

Working Principles

The MAX1901ETJ+ is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.6V and 3.3V. It achieves this through a switching power supply topology, which allows for high efficiency power conversion. The IC utilizes various control mechanisms such as feedback, compensation, and soft-start to ensure stable and reliable operation.

Detailed Application Field Plans

The MAX1901ETJ+ finds applications in various fields where efficient power management is required. Some potential application areas include:

1. Portable Electronic Devices: The IC can be used in smartphones, tablets, and portable media players to regulate the voltage for different components, ensuring optimal performance and power efficiency.
2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require efficient power management. The MAX1901ETJ+ can be employed in IoT sensors, wearables, and smart home devices.
3. Battery-Powered Systems: The voltage regulator can be utilized in battery-powered systems like wireless headphones, remote controls, and handheld gaming consoles to maintain stable voltage levels and extend battery life.

Detailed and Complete Alternative Models

1. MAX1902ETJ+: Similar to MAX1901ETJ+, but with a higher maximum output current of 800mA.
2. MAX1903ETJ+: A voltage regulator with an extended input voltage range of 2.5V to 5.5V and a maximum output current of 500mA.
3. MAX1904ETJ+: Offers a wider output voltage range of 0.6V to 5.5V, suitable for applications requiring higher output voltages.

These alternative models provide flexibility in choosing the most suitable voltage regulator based on specific requirements.

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