MAX6825VUK+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, Adjustable Output Voltage
• Package: SOT-23-5
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 120mV at 100mA Load Current
• Quiescent Current: 40µA (typical)
• Output Current: 150mA (maximum)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6825VUK+T is a 5-pin device with the following pin configuration:

1. GND (Ground)
2. FB (Feedback)
3. EN (Enable)
4. BYP (Bypass)
5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle conditions.
• Adjustable output voltage provides flexibility in various applications.
• Built-in thermal shutdown and current limit protection enhance reliability and prevent damage.

Advantages

• Compact SOT-23-5 package enables space-saving designs.
• Wide input voltage range allows for compatibility with various power sources.
• Excellent line and load regulation ensure stable output voltage under different operating conditions.
• Low quiescent current extends battery life in portable applications.
• Adjustable output voltage provides versatility for different system requirements.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage of 120mV may cause a significant power loss in low input-output differential scenarios.

Working Principles

The MAX6825VUK+T is a linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with an internal reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable (EN) pin controls the regulator's on/off state, while the bypass (BYP) pin allows for the connection of an external capacitor to improve transient response.

Detailed Application Field Plans

The MAX6825VUK+T is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low quiescent current and adjustable output voltage features.
2. Industrial equipment: The wide input voltage range and compact package make it suitable for powering sensors, actuators, and control systems.
3. Automotive electronics: The regulator can be used in automotive infotainment systems, lighting modules, and other subsystems that require stable and efficient power supply.

Alternative Models

For those seeking alternatives to the MAX6825VUK+T, the following models provide similar functionality:

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, SOT-223 package.
2. LT1763-ADJ: Low Dropout Regulator, SOT-23 package.
3. MCP1700-3302E/TO: Low Quiescent Current LDO Regulator, TO-92 package.

These alternative models offer comparable specifications and can be considered based on specific application requirements.

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