S-8521C30MC-BTPT2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management IC
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Voltage regulator with high accuracy and low dropout voltage
• 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
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (typical) at 100mA load current
• Quiescent Current: 45µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8521C30MC-BTPT2U has a total of five pins arranged as follows:

```

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| | --| Vout Vin|-- --| GND EN |-- |___________| ```

1. Vout: Output Voltage Pin
2. Vin: Input Voltage Pin
3. GND: Ground Pin
4. EN: Enable Pin

Functional Features

• Low dropout voltage ensures stable output even with small input-output voltage differentials.
• High accuracy in regulating output voltage, ensuring precise power supply for various applications.
• Low quiescent current minimizes power consumption during standby or idle mode.
• Built-in overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown feature prevents overheating and protects the IC.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size (SOT-23-5) enables space-saving and compact designs.
• Excellent line and load regulation ensure stable output voltage under different operating conditions.
• Low dropout voltage minimizes power dissipation, enhancing energy efficiency.

Disadvantages

• Maximum output current of 300mA may limit its use in high-power applications.
• Limited temperature range (-40°C to +85°C) restricts its suitability for extreme environments.

Working Principles

The S-8521C30MC-BTPT2U is a low dropout voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to compensate for changes in the input-output voltage differential. The enable pin allows the user to control the regulator's operation, enabling or disabling the output as required.

Detailed Application Field Plans

The S-8521C30MC-BTPT2U finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices such as smartphones, tablets, and portable media players. - Wireless communication modules and IoT devices. - Industrial automation systems and control circuits. - Automotive electronics, including infotainment systems and engine control units. - Medical devices and healthcare equipment.

Detailed and Complete Alternative Models

• S-8521C30MC-BJPT2U: Similar specifications and features, but with an adjustable output voltage.
• S-8521C33MC-BTPT2U: Higher maximum output current of 500mA, suitable for more demanding applications.
• S-8521C25MC-BTPT2U: Lower quiescent current of 25µA, ideal for ultra-low power applications.

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