S-1135C12-U5T1U

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Input Voltage Range: 2.0V to 6.0V - Output Voltage Range: 0.8V to 5.5V - Maximum Output Current: 150mA - Dropout Voltage: 160mV @ 100mA - Quiescent Current: 30µA (typical) - Package Type: SOT-23-5 - Essence: Low Dropout Linear Regulator

Packaging/Quantity: The S-1135C12-U5T1U is available in a SOT-23-5 package. It is typically sold in reels of 3000 units.

Specifications

The specifications for the S-1135C12-U5T1U voltage regulator 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 @ 100mA
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-1135C12-U5T1U has a total of five pins arranged as follows:

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Pin Configuration: 1. VIN: Input Voltage 2. GND: Ground 3. VOUT: Output Voltage 4. NC: No Connection 5. EN: Enable Pin

Functional Features

The S-1135C12-U5T1U voltage regulator offers the following functional features:

1. Low Dropout Voltage: The dropout voltage of 160mV @ 100mA ensures efficient power conversion even with low input voltages.
2. Low Quiescent Current: With a typical quiescent current of 30µA, the regulator minimizes power consumption in standby or idle modes.
3. High Ripple Rejection Ratio: The high ripple rejection ratio of 70dB (typical) ensures stable output voltage even in the presence of input voltage fluctuations.
4. Short Circuit Protection: The device incorporates short circuit protection to prevent damage to the regulator and connected components in case of a fault.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for flexibility in various applications. - Low dropout voltage enables efficient power conversion. - Low quiescent current minimizes power consumption in standby mode. - Small package size (SOT-23-5) makes it suitable for space-constrained designs. - Short circuit protection enhances system reliability.

Disadvantages: - Maximum output current of 150mA may not be sufficient for high-power applications. - Limited output voltage range may restrict compatibility with certain devices.

Working Principles

The S-1135C12-U5T1U is a low dropout linear regulator that operates by maintaining a constant output voltage despite variations in the input voltage. It achieves this through a feedback mechanism that adjusts the internal pass transistor to regulate the output voltage. The regulator uses a reference voltage and error amplifier to compare the actual output voltage with the desired value, making necessary adjustments to maintain stability.

Detailed Application Field Plans

The S-1135C12-U5T1U voltage regulator is suitable for a wide range of applications, including but not limited to:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the low dropout voltage and low quiescent current of the S-1135C12-U5T1U.
2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require efficient voltage regulation. The S-1135C12-U5T1U can provide stable power supply in these applications.
3. Industrial Control Systems: The regulator's small package size and short circuit protection make it suitable for use in industrial control systems where space is limited and reliability is crucial.

Detailed and Complete Alternative Models

1. S-1135C12-M5T1U: Similar to the S-1135C12-U5T1U, this model offers the same specifications and features but comes in a different package type (SOT-23-5).
2. S-1135C12-U5T2U: This alternative model has the same specifications and features as the S-