S-1142BC5I-E6T1U

Product Overview

Category

S-1142BC5I-E6T1U belongs to the category of voltage regulators.

Use

This product is used for regulating voltage in electronic circuits.

Characteristics

• Package: SOT-23-5
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

The specifications of S-1142BC5I-E6T1U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of S-1142BC5I-E6T1U is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. CE: Chip enable pin
4. VOUT: Output voltage pin
5. NC: No connection pin

Functional Features

• Low dropout voltage: The S-1142BC5I-E6T1U has a low dropout voltage, ensuring efficient regulation even with small input-output voltage differentials.
• Low quiescent current: With a typical quiescent current of only 30µA, this voltage regulator minimizes power consumption when not actively regulating voltage.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature, the thermal shutdown feature protects the regulator from damage.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• Overcurrent protection enhances circuit safety.
• Thermal shutdown protection prevents damage from excessive temperature.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.
• Input voltage range of 2.0V to 6.0V may restrict compatibility with certain circuits.

Working Principles

The S-1142BC5I-E6T1U operates based on the principle of a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor, regardless of variations in input voltage or load conditions. This is achieved through feedback control, where the regulator continuously adjusts the pass transistor's resistance to maintain the desired output voltage.

Detailed Application Field Plans

The S-1142BC5I-E6T1U finds application in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices: The low dropout voltage and low quiescent current make it suitable for prolonging battery life in devices such as smartphones, tablets, and portable media players.
2. IoT devices: With its compact package and efficient regulation, this voltage regulator can be used in IoT devices like sensors, wearables, and smart home appliances.
3. Automotive electronics: The wide operating temperature range and overcurrent protection make it suitable for automotive applications, including infotainment systems, lighting controls, and engine management modules.

Detailed and Complete Alternative Models

1. S-1132Bxx-I6T1U: Similar voltage regulator with a higher output current of 300mA.
2. S-1112Bxx-I6T1U: Voltage regulator with a lower dropout voltage of 100mV.
3. S-1172Bxx-I6T1U: High-precision voltage regulator with an adjustable output voltage.

These alternative models provide options based on specific requirements, such as higher output current or lower dropout voltage.

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