S-1135C28-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Ultra-small Package
• Package: SOT-23-5
• Essence: Regulates voltage to a stable level
• Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 2.8V
• Output Current: 500mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 45µA (typical)

Detailed Pin Configuration

The S-1135C28-U5T1U has a total of five pins arranged in the following configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability of 500mA allows for powering various components.
• Ultra-small package size makes it suitable for space-constrained applications.
• Enable pin provides control over the regulator's operation.

Advantages and Disadvantages

Advantages: - Low dropout voltage minimizes power dissipation. - High output current enables the use of power-hungry devices. - Small package size saves board space. - Enable pin offers flexibility in controlling the regulator.

Disadvantages: - Limited output voltage options (fixed at 2.8V). - No thermal protection feature.

Working Principles

The S-1135C28-U5T1U is a voltage regulator that maintains a stable output voltage of 2.8V regardless of input voltage fluctuations. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in load and input conditions. The low dropout voltage ensures efficient power conversion, while the high output current capability allows for reliable operation of various components.

Detailed Application Field Plans

The S-1135C28-U5T1U finds applications in a wide range of electronic devices, including but not limited to: - Battery-powered portable devices - Wireless communication modules - Consumer electronics - Industrial control systems - Medical equipment

Detailed and Complete Alternative Models

• S-1135C28-M5T1U: Same specifications, but with an active-low enable pin.
• S-1135C28-U3T1U: Same package and characteristics, but with an output voltage of 3.3V.
• S-1135C28-U5T2U: Similar specifications, but with a higher output current of 1A.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

In conclusion, the S-1135C28-U5T1U is a voltage regulator IC with low dropout, high current capabilities, and an ultra-small package size. Its stable output voltage of 2.8V makes it suitable for various applications in different industries. While it has advantages such as low power dissipation and small form factor, it also has limitations like fixed output voltage and lack of thermal protection. Nonetheless, it remains a popular choice for designers seeking efficient voltage regulation in space-constrained environments.