MAX170DCWE+TG55

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Voltage, Low Dropout Regulator
• Package: SOIC-16
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 10V
• Dropout Voltage: 300mV at 100mA
• Output Current: 250mA
• Quiescent Current: 50µA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX170DCWE+TG55 has a total of 16 pins. The pin configuration is as follows:

1. VOUT
2. GND
3. GND
4. NC
5. NC
6. NC
7. NC
8. NC
9. NC
10. VIN
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC

Functional Features

• Low dropout voltage for efficient power management.
• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation for stable output voltage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power transfer. - Wide input voltage range provides flexibility in various applications. - Low quiescent current reduces power consumption. - Excellent line and load regulation ensures stable output voltage.

Disadvantages: - Limited output current of 250mA may not be suitable for high-power applications. - Only available in SOIC-16 package, limiting compatibility with other package types.

Working Principles

The MAX170DCWE+TG55 is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage drops close to the desired output voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to compensate for changes in input voltage and load conditions. The regulator operates by comparing the output voltage to a reference voltage and adjusting the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The MAX170DCWE+TG55 is commonly used in various applications where a stable and regulated power supply is required. Some potential application fields include:

1. Battery-powered devices: The low dropout voltage and wide input voltage range make it suitable for battery-powered devices such as portable electronics, IoT devices, and wearables.
2. Automotive electronics: The regulator can be used in automotive applications where a stable power supply is crucial for proper operation of electronic components.
3. Industrial control systems: The MAX170DCWE+TG55 can be employed in industrial control systems to provide reliable and regulated power to sensors, actuators, and other critical components.

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout voltage regulator with an output voltage of 3.3V. Available in various package options.
2. LT1763: Ultra-low dropout linear regulator with adjustable output voltage. Suitable for low-power applications.
3. TPS7A4700: High-performance low dropout voltage regulator with a wide input voltage range. Offers excellent line and load regulation.

These alternative models provide similar functionality and can be considered as alternatives to the MAX170DCWE+TG55 depending on specific requirements and preferences.

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