MAX1845ETX+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power consumption
• Package: 36-pin TQFN
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 1A
• Efficiency: Up to 95%
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1845ETX+T has a total of 36 pins. The pin configuration is as follows:

1. EN
2. FB
3. GND
4. SW
5. SW
6. SW
7. SW
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. SW
17. SW
18. SW
19. SW
20. SW
21. SW
22. SW
23. SW
24. SW
25. SW
26. SW
27. SW
28. SW
29. SW
30. SW
31. SW
32. SW
33. SW
34. SW
35. VOUT
36. VIN

Functional Features

• High efficiency power conversion
• Low quiescent current for improved battery life
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• Overcurrent and thermal protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation - Low quiescent current extends battery life - Wide input voltage range allows for various power sources - Adjustable output voltage suits different requirements - Built-in protection features ensure safe operation

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external components for proper operation - Relatively high cost compared to some alternatives

Working Principles

The MAX1845ETX+T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.8V and 3.6V. It achieves high efficiency by utilizing a synchronous buck converter topology. The device operates by switching the input voltage on and off at a high frequency, which is then filtered and regulated to provide a stable output voltage.

Detailed Application Field Plans

The MAX1845ETX+T is commonly used in various portable electronic devices, such as smartphones, tablets, and portable media players. It is also suitable for battery-powered applications, including handheld gaming consoles, wireless communication devices, and wearable devices. The voltage regulator's ability to efficiently convert and regulate power makes it ideal for applications where power consumption and battery life are critical.

Alternative Models

1. LM2596S-ADJ: Adjustable Buck Converter IC with similar specifications and pin configuration.
2. LT1763CS8-3.3: Low Dropout Regulator IC with adjustable output voltage and comparable performance.
3. TPS54331: Synchronous Step-Down Converter IC with wide input voltage range and high efficiency.

These alternative models offer similar functionality and can be considered as substitutes for the MAX1845ETX+T based on specific application requirements.

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