MAX6313UK33D2-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: SOT-23
• Essence: Regulates input voltage to a fixed output voltage level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 150mA load current
• Quiescent Current: 40µA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6313UK33D2-T has three pins:

1. VIN - Input Voltage Pin
2. GND - Ground Pin
3. VOUT - Output Voltage Pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Fixed output voltage eliminates the need for external resistors or adjustments.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption in standby or low-load situations.

Advantages

• Small package size (SOT-23) allows for space-efficient designs.
• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage reduces power dissipation and extends battery life.
• Fixed output voltage simplifies circuit design and component selection.

Disadvantages

• Limited output voltage options restricts flexibility in certain applications.
• Higher quiescent current compared to some alternative models may impact power efficiency in low-power scenarios.

Working Principles

The MAX6313UK33D2-T is a voltage regulator IC that maintains a constant output voltage level regardless of input voltage fluctuations. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output pins. The dropout voltage, which is the minimum voltage difference required for proper regulation, is kept low to minimize power dissipation.

Detailed Application Field Plans

The MAX6313UK33D2-T is commonly used in various electronic devices and systems where a stable 3.3V power supply is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, IoT devices, and wearables.
2. Embedded systems: Microcontrollers, sensors, and communication modules.
3. Automotive electronics: Infotainment systems, navigation units, and engine control units.
4. Industrial equipment: Control systems, data loggers, and instrumentation.

Detailed and Complete Alternative Models

1. LM1117-3.3: Low dropout voltage regulator with adjustable output voltage.
2. LT1763-3.3: Ultra-low dropout linear regulator with high PSRR (Power Supply Rejection Ratio).
3. TPS79633: High-performance, low dropout voltage regulator with integrated thermal shutdown protection.

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

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