MAX158ACWI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage
• Package: 28-pin Wide SOIC (Small Outline Integrated Circuit)
• Essence: Provides regulated output voltage for various electronic devices
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 15V
• Maximum Output Current: 3A
• Dropout Voltage: 200mV at 3A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX158ACWI has a total of 28 pins. The pin configuration is as follows:

1. VOUT
2. GND
3. FB
4. EN
5. SS/TRK
6. COMP
7. VCC
8. VCC
9. VCC
10. VCC
11. VCC
12. VCC
13. VCC
14. VCC
15. VCC
16. VCC
17. VCC
18. VCC
19. VCC
20. VCC
21. VCC
22. VCC
23. VCC
24. VCC
25. VCC
26. VCC
27. VCC
28. VIN

Functional Features

• High efficiency voltage regulation
• Low dropout voltage for improved power efficiency
• Adjustable output voltage through feedback pin (FB)
• Enable pin (EN) for easy on/off control
• Soft-start/tracking pin (SS/TRK) for controlled startup and tracking
• Internal compensation for stable operation
• Overcurrent and thermal protection

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Low dropout voltage allows for efficient use of input power - Adjustable output voltage provides flexibility for different applications - Overcurrent and thermal protection ensure device safety

Disadvantages: - Limited maximum output current of 3A - Quiescent current of 120µA may affect battery-powered devices

Working Principles

The MAX158ACWI is a voltage regulator IC that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by using an internal feedback mechanism to compare the output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the internal circuitry.

The IC operates by regulating the voltage drop across a pass transistor, which controls the output voltage. The dropout voltage is minimized to ensure efficient power conversion. The enable pin allows for easy on/off control, while the soft-start/tracking pin ensures controlled startup and tracking of the output voltage.

Detailed Application Field Plans

The MAX158ACWI is commonly used in various electronic devices that require a regulated power supply. Some application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players
2. Computer Systems: Laptops, desktops, servers
3. Consumer Electronics: TVs, audio systems, gaming consoles
4. Industrial Equipment: Power supplies, motor drives, control systems
5. Automotive Electronics: Infotainment systems, navigation systems, lighting control

Detailed and Complete Alternative Models

1. MAX16910 - 3A, Low-Dropout Voltage Regulator
2. LT1086 - 3A, Low Dropout Positive Fixed Regulator
3. LM1117 - 3A, Low Dropout Voltage Regulator
4. TPS7A4700 - 3A, Ultra-Low Dropout Linear Regulator
5. ADP3339 - 3A, Low Dropout Linear Regulator

These alternative models offer similar functionality and can be considered as substitutes for the MAX158ACWI in various applications.

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