MAX170DCPA

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: 8-PDIP (Plastic Dual In-Line Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tube, 50 pieces per tube

Specifications

• Input Voltage: 4.75V to 40V
• Output Voltage: Adjustable from 1.2V to 37V
• Dropout Voltage: 0.5V at 500mA
• Output Current: 250mA
• Line Regulation: 0.01% typical
• Load Regulation: 0.05% typical
• Quiescent Current: 3.5mA typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX170DCPA has the following pin configuration:

```

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| | --| IN OUT |-- Pin 1: Input Voltage (IN) --| GND ADJ |-- Pin 2: Ground (GND) --| OUT NC |-- Pin 3: Output Voltage (OUT) --| NC NC |-- Pin 4: Not Connected (NC) |___________| ```

Functional Features

• Low dropout voltage regulator with adjustable output voltage.
• Wide input voltage range allows for versatile applications.
• Excellent line and load regulation ensures stable output voltage.
• Low quiescent current minimizes power consumption.
• Thermal shutdown and current limit protection features.

Advantages and Disadvantages

Advantages: - Wide input voltage range provides flexibility in various applications. - Adjustable output voltage allows customization based on specific requirements. - Low dropout voltage ensures efficient power management. - Excellent line and load regulation ensures stable output voltage. - Thermal shutdown and current limit protection features enhance reliability.

Disadvantages: - Limited output current of 250mA may not be suitable for high-power applications. - The 8-PDIP package may not be ideal for space-constrained designs.

Working Principles

The MAX170DCPA is a low dropout voltage regulator that regulates the input voltage to a stable output voltage. It achieves this by utilizing a pass transistor that adjusts its resistance based on the difference between the input and desired output voltage. This feedback mechanism ensures that the output voltage remains constant even with variations in the input voltage or load conditions.

Detailed Application Field Plans

The MAX170DCPA can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and portable audio players.
2. Automotive electronics: Suitable for powering sensors, actuators, and other low-power components in automotive systems.
3. Industrial equipment: Can be used in control circuits, sensors, and other low-power applications in industrial machinery.
4. Communication systems: Provides stable voltage for RF modules, microcontrollers, and other communication devices.
5. Home automation: Suitable for powering low-power devices in smart home systems, such as sensors, controllers, and actuators.

Detailed and Complete Alternative Models

Some alternative models to the MAX170DCPA include:

1. LM1117-ADJ: Adjustable Low Dropout Voltage Regulator with similar specifications and pin configuration.
2. LT1763-ADJ: Low Dropout Regulator with adjustable output voltage and higher output current capability.
3. TPS7A4700: Ultra-Low Noise Low Dropout Voltage Regulator suitable for noise-sensitive applications.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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