STM813LM6E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-6
• Essence: Regulates voltage with low dropout
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 200mV at 100mA
• Maximum Output Current: 150mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STM813LM6E has a total of six pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor connection pin
5. VOUT: Output voltage pin
6. NC: No Connection pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Excellent line and load regulation characteristics.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Low quiescent current consumption extends battery life in portable applications.
• Fast transient response for rapid stabilization of the output voltage.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size enables space-saving designs.
• Low dropout voltage minimizes power dissipation.
• High accuracy and stability ensure reliable voltage regulation.
• Thermal shutdown protection enhances device durability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Sensitive to external noise due to its low dropout design.
• Requires an external bypass capacitor for optimal performance.

Working Principles

The STM813LM6E is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is slightly higher than the desired output voltage. It achieves this by utilizing a PNP pass transistor and an error amplifier to regulate the voltage difference between the input and output.

Detailed Application Field Plans

The STM813LM6E is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from its low quiescent current consumption and small package size.
2. Industrial equipment: The regulator's wide input voltage range and thermal shutdown protection make it suitable for industrial control systems and sensors.
3. Automotive electronics: Its ability to withstand a wide temperature range makes it ideal for automotive applications, including infotainment systems and engine control units.

Detailed and Complete Alternative Models

• LM1117: Low dropout voltage regulator with adjustable output voltage.
• LT1763: Ultra-low dropout linear regulator with high output current capability.
• TPS7A47: High-voltage, ultra-low IQ, low dropout linear regulator.

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