S-1142B53I-E6T1U

Product Overview

Category

S-1142B53I-E6T1U belongs to the category of voltage regulators.

Use

This product is primarily 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-1142B53I-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)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of S-1142B53I-E6T1U is as follows:

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

Functional Features

• Low dropout voltage: The S-1142B53I-E6T1U exhibits a low dropout voltage, 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 during standby or idle modes.
• Excellent line and load regulation: The device maintains stable output voltage despite variations in input voltage and load conditions.
• Thermal shutdown protection: The regulator includes a built-in thermal shutdown feature that protects the device from overheating.

Advantages and Disadvantages

Advantages

• Compact package size (SOT-23-5) allows for space-efficient integration into electronic circuits.
• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to overheating.

Disadvantages

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

Working Principles

The S-1142B53I-E6T1U operates based on the principle of a linear voltage regulator. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, the device ensures a stable output voltage regardless of variations in input voltage or load conditions.

Detailed Application Field Plans

The S-1142B53I-E6T1U is commonly used in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices: This voltage regulator is ideal for applications such as smartphones, tablets, and wearable devices, where efficient power management is crucial.
2. IoT (Internet of Things) devices: With its low quiescent current and compact package, the S-1142B53I-E6T1U is well-suited for IoT devices that require long battery life and small form factors.
3. Automotive electronics: The regulator's wide operating temperature range makes it suitable for automotive applications, including infotainment systems, sensors, and control modules.

Detailed and Complete Alternative Models

1. S-1132B53I-E6T1U: Similar to S-1142B53I-E6T1U, but with a lower dropout voltage of 100mV (typical).
2. S-1112B53I-E6T1U: A higher-output-current alternative, capable of delivering up to 300mA.
3. S-1172B53I-E6T1U: A dual-output voltage regulator with similar specifications, suitable for applications requiring multiple regulated voltages.

These alternative models provide flexibility in choosing the most appropriate voltage regulator based on specific requirements and constraints.

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