S-1142B28H-E6T2U

Product Overview

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-1142B28H-E6T2U are as follows:

Input Voltage Range: 2.0V to 6.0V
Output Voltage Range: 1.8V to 5.0V
Dropout Voltage: 200mV (typical)
Output Current: 100mA (maximum)
Quiescent Current: 30μA (typical)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of S-1142B28H-E6T2U is as follows:

VIN (Input Voltage)
GND (Ground)
VOUT (Output Voltage)
CE (Control Enable)
NC (No Connection)

Functional Features

Low dropout voltage: The S-1142B28H-E6T2U has a low dropout voltage, allowing it to regulate voltage efficiently even when the input voltage is close to the output voltage.
Low quiescent current: The quiescent current of this voltage regulator is very low, resulting in minimal power consumption during standby or idle mode.
Overcurrent protection: This product incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.
Thermal shutdown protection: In case of excessive temperature rise, the S-1142B28H-E6T2U automatically shuts down to prevent overheating and protect the device.

Advantages and Disadvantages

Advantages

Low dropout voltage ensures efficient voltage regulation.
Low quiescent current minimizes power consumption.
Overcurrent protection prevents damage to the circuit.
Thermal shutdown protection safeguards against overheating.

Disadvantages

Limited output current of 100mA may not be suitable for high-power applications.
Input voltage range is restricted to 2.0V to 6.0V.

Working Principles

The S-1142B28H-E6T2U operates based on a linear regulator principle. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. This allows it to provide a stable output voltage even when the input voltage fluctuates.

Detailed Application Field Plans

The S-1142B28H-E6T2U finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to S-1142B28H-E6T2U are: - S-1132Bxx-M5T1G - S-1172Bxx-U5T1G - S-1206Bxx-M3T1G

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable voltage regulator for specific applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací S-1142B28H-E6T2U v technických řešeních

Sure! Here are 10 common questions and answers related to the application of S-1142B28H-E6T2U in technical solutions:

Q: What is S-1142B28H-E6T2U? A: S-1142B28H-E6T2U is a voltage detector IC (integrated circuit) that monitors the voltage level and provides an output signal when the voltage exceeds or falls below a certain threshold.
Q: What is the operating voltage range of S-1142B28H-E6T2U? A: The operating voltage range of S-1142B28H-E6T2U is typically between 0.8V and 6.0V.
Q: How does S-1142B28H-E6T2U detect voltage levels? A: S-1142B28H-E6T2U uses a built-in voltage reference and comparator to compare the input voltage with a preset threshold. When the voltage crosses the threshold, it triggers the output signal.
Q: Can S-1142B28H-E6T2U be used in battery-powered applications? A: Yes, S-1142B28H-E6T2U can be used in battery-powered applications as it operates within a wide voltage range and has low power consumption.
Q: What is the output type of S-1142B28H-E6T2U? A: S-1142B28H-E6T2U provides an open-drain output, which means it can sink current but cannot source current.
Q: Is S-1142B28H-E6T2U suitable for overvoltage protection? A: Yes, S-1142B28H-E6T2U can be used for overvoltage protection by setting the threshold voltage to the desired level and connecting it to a control circuit that takes appropriate action when the voltage exceeds the threshold.
Q: Can S-1142B28H-E6T2U be used in automotive applications? A: Yes, S-1142B28H-E6T2U is suitable for automotive applications as it meets the required specifications for automotive electronics.
Q: What is the typical response time of S-1142B28H-E6T2U? A: The typical response time of S-1142B28H-E6T2U is around 10 microseconds.
Q: Can multiple S-1142B28H-E6T2U ICs be connected together for voltage monitoring in different parts of a system? A: Yes, multiple S-1142B28H-E6T2U ICs can be connected together to monitor voltage levels at different points in a system. Each IC can have its own threshold voltage setting.
Q: Are there any specific precautions to consider while using S-1142B28H-E6T2U? A: It is important to ensure proper decoupling capacitors are used near the power supply pins of S-1142B28H-E6T2U to minimize noise and stabilize the voltage reference. Additionally, attention should be given to the maximum ratings and operating conditions mentioned in the datasheet to avoid any damage or incorrect operation.