MAX828EUK+TG002

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Voltage regulator with low dropout voltage and high output current capability
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 150mA
• Dropout Voltage: 160mV at 100mA load
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX828EUK+TG002 is a 5-pin device with the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage supply
3. BYP: Bypass capacitor connection for improved noise performance
4. FB: Feedback pin for setting the output voltage
5. OUT: Output voltage

Functional Features

• Low dropout voltage allows for efficient power conversion even with small input-output voltage differentials.
• High output current capability enables the device to power a wide range of loads.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage minimizes power dissipation and extends battery life. - Small package size makes it suitable for space-constrained applications. - Wide input voltage range allows for flexibility in power supply design.

Disadvantages: - Limited output current may not be sufficient for high-power applications. - Requires an external bypass capacitor for optimal noise performance.

Working Principles

The MAX828EUK+TG002 is a low dropout voltage regulator that operates by maintaining a constant output voltage despite variations in input voltage and load conditions. It achieves this through a combination of internal circuitry, feedback control, and error amplification.

When the input voltage is applied, the regulator compares it to a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The feedback pin (FB) allows the user to set the desired output voltage by connecting appropriate resistors.

The device continuously monitors the output voltage and adjusts the internal circuitry to compensate for any changes. This ensures that the output voltage remains within the specified range, even when the input voltage or load conditions vary.

Detailed Application Field Plans

The MAX828EUK+TG002 is commonly used in various applications where a stable and regulated power supply is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low dropout voltage and efficient power conversion provided by the MAX828EUK+TG002.

2. Industrial equipment: The regulator's wide input voltage range and small package size make it suitable for use in industrial control systems, sensors, and instrumentation.

3. Automotive electronics: The device can be employed in automotive applications, including infotainment systems, lighting controls, and engine management systems.

4. IoT devices: Internet of Things (IoT) devices often operate on limited power sources. The MAX828EUK+TG002's low quiescent current and small form factor make it ideal for powering these devices.

Detailed and Complete Alternative Models

1. MAX8212: Low Dropout Voltage Regulator with higher output current capability (up to 300mA).
2. MAX829: Low Dropout Voltage Regulator with adjustable output voltage and higher input voltage range.
3. MAX820: Low Dropout Voltage Regulator with lower quiescent current and smaller package size.

These alternative models offer different specifications and features, allowing users to select the most suitable option based on their specific requirements.

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