S-1315B31-M5T1U3

Product Overview

Category

S-1315B31-M5T1U3 belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Package Type: SOT-23-5
• Essence: Low dropout voltage, low quiescent current, and small package size.
• Packaging/Quantity: This product is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

The specifications for S-1315B31-M5T1U3 are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The pin configuration for S-1315B31-M5T1U3 is as follows:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low dropout voltage: The S-1315B31-M5T1U3 has a low dropout voltage of 160mV, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 30µA, this voltage regulator minimizes power consumption in standby or idle modes.
• Small package size: The SOT-23-5 package allows for space-saving integration into compact electronic devices.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation with low dropout voltage
• Minimal power consumption in standby mode due to low quiescent current
• Compact package size for easy integration

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications

Working Principles

The S-1315B31-M5T1U3 utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. Conversely, if the input voltage drops below the desired output voltage, the pass transistor increases its resistance to compensate and provide a regulated output.

Detailed Application Field Plans

The S-1315B31-M5T1U3 can be used in various applications that require voltage regulation, such as:

1. Battery-powered devices: This voltage regulator ensures a stable voltage supply to sensitive components in portable electronics, extending battery life.
2. IoT devices: The low quiescent current and small package size make it suitable for IoT applications where power efficiency and space constraints are crucial.
3. Automotive electronics: The wide operating temperature range (-40°C to +85°C) makes it suitable for automotive applications that require reliable voltage regulation in extreme temperature conditions.

Detailed and Complete Alternative Models

1. S-1315B31-M5T1U2: Similar to S-1315B31-M5T1U3, but with a different package type (SOT-89-5).
2. S-1315B31-M5T1U4: Higher maximum output current of 300mA, suitable for applications requiring more power.
3. S-1315B31-M5T1U5: Lower dropout voltage of 100mV, providing even more efficient voltage regulation.

These alternative models offer similar functionality with slight variations in package type, maximum output current, and dropout voltage.

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