SP385ECA-L/TR

Product Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics:
  • High precision
  • Low dropout voltage
  • Small package size
• Package: SOT-23
• Essence: Linear voltage regulator
• 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
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SP385ECA-L/TR has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Provides a regulated output voltage regardless of input voltage fluctuations.
• Low dropout voltage allows for efficient power conversion.
• High precision ensures accurate voltage regulation.
• Small package size enables space-saving designs.

Advantages

• High precision voltage regulation ensures stable performance.
• Low dropout voltage minimizes power dissipation.
• Small package size allows for compact circuit designs.
• Wide operating temperature range enhances versatility.

Disadvantages

• Limited input voltage range (2.5V to 6.0V).
• Dropout voltage may affect efficiency in low voltage applications.

Working Principles

The SP385ECA-L/TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is the minimum voltage difference required between the input and output for proper regulation.

Detailed Application Field Plans

The SP385ECA-L/TR is commonly used in various electronic devices, including:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
2. Portable audio players: Ensures stable power supply for audio amplifiers and digital-to-analog converters.
3. IoT devices: Regulates voltage for wireless modules, sensors, and microcontrollers in smart home applications.
4. Automotive electronics: Used in infotainment systems, dashboard displays, and lighting control circuits.

Detailed and Complete Alternative Models

1. SPX3819M5-L/TR: Similar specifications and package, but with a higher input voltage range (2.7V to 16V).
2. SPX5205M5-L/TR: Low dropout voltage regulator with adjustable output voltage and higher current capability.

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