S-1313D20-M5T1U3

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High ripple rejection ratio - Built-in overcurrent protection - Built-in thermal shutdown protection

Package: SOT-23-5

Essence: The S-1313D20-M5T1U3 is a voltage regulator IC that provides a stable output voltage from an input voltage source. It is designed to regulate the voltage with low dropout and high efficiency.

Packaging/Quantity: The S-1313D20-M5T1U3 is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 1.8V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1313D20-M5T1U3 has five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage) Pin 4: CE (Control Enable) Pin 5: NC (No Connection)

Functional Features

• Low Dropout Voltage: The S-1313D20-M5T1U3 exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The IC has a low quiescent current, minimizing power consumption when the load is light or idle.
• High Ripple Rejection Ratio: It provides excellent rejection of input voltage ripples, ensuring a stable output voltage even in noisy environments.
• Overcurrent Protection: The IC incorporates built-in overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient voltage regulation. - Low quiescent current minimizes power consumption. - High ripple rejection ratio provides a stable output voltage. - Built-in overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited output current capacity (up to 150mA). - Input voltage range restricted to 2.0V to 6.0V.

Working Principles

The S-1313D20-M5T1U3 operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. When the input voltage drops below the desired output voltage plus the dropout voltage, the regulator starts regulating the voltage by adjusting its internal components.

Detailed Application Field Plans

The S-1313D20-M5T1U3 is commonly used in various electronic devices that require a stable voltage supply. Some typical application fields include: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

• S-1313D20-M5T1S: Same specifications but available in a different package (SOT-23-5).
• S-1313D20-M5T1G: Same specifications but available in a different package (SOT-23-5).

These alternative models provide the same functionality and performance as the S-1313D20-M5T1U3 but may have different packaging options to suit specific application requirements.

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