MAX828EUKG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Regulator (LDO)
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

The MAX828EUKG is a low dropout regulator designed for power management applications. It operates with an input voltage range of 2.5V to 6.5V and provides a fixed output voltage of 3.3V. The maximum output current is 150mA, making it suitable for low-power devices.

Pin Configuration

The MAX828EUKG is housed in a SOT-23-5 package, which has five pins. The pin configuration is as follows:

1. GND (Ground)
2. IN (Input Voltage)
3. BYP (Bypass Capacitor)
4. FB (Feedback Voltage)
5. OUT (Output Voltage)

Functional Features

• Low dropout voltage: The MAX828EUKG has a low dropout voltage of typically 120mV at 100mA load, ensuring efficient power conversion.
• Low quiescent current: With a quiescent current of only 40µA, the device minimizes power consumption when in standby mode.
• Thermal shutdown protection: The IC incorporates thermal shutdown protection to prevent overheating and ensure safe operation.
• Short-circuit protection: The MAX828EUKG includes short-circuit protection, safeguarding the device and connected components from damage.

Advantages and Disadvantages

Advantages: - Small form factor: The SOT-23-5 package allows for compact designs, making it suitable for space-constrained applications. - Low dropout voltage: The low dropout voltage ensures efficient power conversion, maximizing battery life. - Thermal and short-circuit protection: The built-in protections enhance the reliability and durability of the device.

Disadvantages: - Limited output current: The maximum output current of 150mA may not be sufficient for high-power applications. - Fixed output voltage: The MAX828EUKG provides a fixed output voltage of 3.3V, limiting its versatility in certain scenarios.

Working Principles

The MAX828EUKG is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the pass transistor to maintain a stable output voltage. The bypass capacitor (BYP) helps improve stability and reduce noise.

Detailed Application Field Plans

The MAX828EUKG is commonly used in various low-power applications, including but not limited to:

1. Battery-powered devices: The low dropout voltage and low quiescent current make it suitable for portable electronics such as smartphones, tablets, and wearable devices.
2. IoT devices: With its compact size and efficient power conversion, the MAX828EUKG is ideal for IoT sensors, smart home devices, and other connected devices.
3. Industrial control systems: The device's thermal and short-circuit protections make it reliable for use in industrial control systems, ensuring stable power supply.

Detailed and Complete Alternative Models

1. MAX8212: Low Dropout Regulator, SOT-23 package, 3.3V fixed output voltage, 100mA maximum output current.
2. MAX829: Low Dropout Regulator, SOT-23-5 package, adjustable output voltage, 200mA maximum output current.
3. MAX830: Low Dropout Regulator, SOT-23-5 package, 5V fixed output voltage, 150mA maximum output current.

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

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