MAX6823WUK+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23-5
• Essence: Power Management IC
• 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
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.05%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6823WUK+T is a 5-pin device with the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. FB: Feedback pin for setting the output voltage
5. OUT: Output voltage

Functional Features

• Low dropout voltage allows efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• Built-in thermal shutdown protection prevents overheating and damage to the device.
• Short-circuit and reverse-current protection enhance system reliability.
• Fast transient response enables stable operation during load variations.

Advantages and Disadvantages

Advantages: - Small package size makes it suitable for space-constrained applications. - Wide input voltage range provides flexibility in various power supply designs. - Excellent line and load regulation ensure stable output voltage under varying conditions. - Low quiescent current extends battery life in portable devices.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - SOT-23-5 package may require additional thermal management in certain scenarios.

Working Principles

The MAX6823WUK+T is a low dropout voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It utilizes a PNP pass transistor to regulate the output voltage based on the feedback received from the FB pin. The enable (EN) pin allows the user to turn the regulator on or off as needed. The device also incorporates various protection features to safeguard against short-circuits, reverse currents, and excessive temperature.

Detailed Application Field Plans

The MAX6823WUK+T is commonly used in the following applications:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from its low quiescent current and wide input voltage range.
2. Industrial equipment: Control systems, sensors, and actuators can utilize this voltage regulator for reliable power supply in harsh environments.
3. Automotive electronics: The device's ability to withstand a wide operating temperature range makes it suitable for automotive applications like infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

1. MAX6824WUK+T: Similar to MAX6823WUK+T but with an adjustable output voltage feature.
2. MAX6825WUK+T: Higher maximum output current of 500mA, suitable for more demanding applications.
3. MAX6826WUK+T: Ultra-low quiescent current variant for ultra-low power applications.

These alternative models offer similar functionality with slight variations to cater to specific requirements.

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