S-1312B18-M5T1U3

Product Overview

Category

S-1312B18-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: 1.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Package Type: SOT-23-5
• Essence: Low dropout CMOS voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The specifications for S-1312B18-M5T1U3 are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 1.8V
• Output Voltage Accuracy: ±2%
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical), 200mV (maximum)
• Quiescent Current: 30µA (typical), 50µA (maximum)
• 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-1312B18-M5T1U3 is as follows:

```

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| | --| V IN|-- Pin 1 --|____| | | --| GND|-- Pin 2 --|____| | | --| V OUT|-- Pin 3 --|____| | | --| NC|-- Pin 4 --|____| | | --| EN|-- Pin 5 --|____| ```

Functional Features

• Low dropout voltage: The S-1312B18-M5T1U3 has a low dropout voltage of 160mV (typical), allowing it to regulate voltage 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 low-load conditions.
• High ripple rejection ratio: The device offers a high ripple rejection ratio of 70dB (typical), ensuring stable output voltage even in the presence of input voltage fluctuations.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient voltage regulation.
• Low quiescent current reduces power consumption.
• Small package size (SOT-23-5) enables space-saving designs.
• High ripple rejection ratio provides stable output voltage.

Disadvantages

• Maximum output current limited to 150mA, which may not be sufficient for high-power applications.
• Output voltage accuracy of ±2% may not meet the requirements of precision circuits.

Working Principles

The S-1312B18-M5T1U3 operates based on a CMOS voltage regulator design. It utilizes a feedback mechanism to maintain a constant output voltage despite variations in the input voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to regulate the output voltage at the desired level.

Detailed Application Field Plans

The S-1312B18-M5T1U3 can be used in various electronic applications, including but not limited to:

1. Battery-powered devices: The low dropout voltage and low quiescent current make it suitable for battery-powered devices, extending the battery life.
2. Portable electronics: Due to its small package size, it can be integrated into compact portable electronic devices such as smartphones, tablets, and wearable devices.
3. IoT devices: With its wide input voltage range and efficient voltage regulation, it is well-suited for IoT devices that require stable power supply in diverse environments.
4. Automotive electronics: The S-1312B18-M5T1U3's operating temperature range (-40°C to +85°C) makes it suitable for automotive applications where temperature variations are common.

Detailed and Complete Alternative Models

1. S-1312B18-M5T1S: Similar to S-1312B18-M5T1U3, but with a different package type (SOT-23-5).
2. S-1312B18-M5T1W: Similar to S-1312B18-M5T1U3, but with a wider output voltage range (1.8V to 6.0V).
3. S-131