MAX1579ETG+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-up DC-DC converter
• Package: 24-pin TQFN (Thin Quad Flat No-Lead) package
• Essence: Voltage regulator for portable devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 3.3V to 5.25V
• Maximum Output Current: 1A
• Switching Frequency: 1.2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1579ETG+T has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. SS/TRK: Soft-start/tracking pin
7. VOUT: Output voltage pin
8. PGND: Power ground pin
9. AGND: Analog ground pin
10. BST: Boost capacitor connection pin
11. LX: Inductor connection pin
12. COMP: Compensation pin
13. SS/TRK: Soft-start/tracking pin
14. VCC: Supply voltage pin
15. VCC: Supply voltage pin
16. VCC: Supply voltage pin
17. VCC: Supply voltage pin
18. VCC: Supply voltage pin
19. VCC: Supply voltage pin
20. VCC: Supply voltage pin
21. VCC: Supply voltage pin
22. VCC: Supply voltage pin
23. VCC: Supply voltage pin
24. VCC: Supply voltage pin

Functional Features

• High efficiency conversion of input voltage to output voltage
• Low-power consumption during standby mode
• Soft-start and tracking functionality for smooth power-up and power-down transitions
• Overcurrent protection to prevent damage to the device
• Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life in portable devices - Small package size allows for space-saving designs - Wide input voltage range provides flexibility in various applications

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Higher cost compared to some alternative models

Working Principles

The MAX1579ETG+T is a step-up DC-DC converter that utilizes a boost topology. It takes an input voltage within the range of 2.7V to 5.5V and efficiently steps it up to an output voltage between 3.3V and 5.25V. The device uses a high-frequency switching technique to minimize power losses and maximize efficiency.

Detailed Application Field Plans

The MAX1579ETG+T is commonly used in various portable electronic devices, such as smartphones, tablets, and portable media players. It is particularly suitable for applications where a higher output voltage is required from a low input voltage source. Some specific application field plans include:

1. Battery-powered devices: The MAX1579ETG+T can efficiently convert the battery voltage to a higher voltage level required by the device's components.
2. USB-powered devices: It can be used to step up the 5V USB voltage to a higher voltage level for powering certain peripherals or components.
3. IoT devices: The low-power consumption and small package size make it suitable for IoT devices that require efficient power management in limited space.

Detailed and Complete Alternative Models

1. MAX1578ETG+T: Similar to MAX1579ETG+T, but with a lower maximum output current of 500mA.
2. MAX1577ETG+T: Step-up DC-DC converter with a fixed output voltage of 3.3V.
3. MAX1576ETG+T: Step-up DC-DC converter with a fixed output voltage of 5V.

These alternative models offer different specifications and features to cater to various application requirements.

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