S-1135A25-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high accuracy, low quiescent current
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA (typical)
• Output Current: 100mA (maximum)

Detailed Pin Configuration

The S-1135A25-U5T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. NC: No connection pin 5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High accuracy provides precise output voltage control.
• Low quiescent current minimizes power consumption in standby mode.
• Enable pin allows for easy on/off control of the regulator.

Advantages

• Compact SOT-23-5 package enables space-saving integration into various applications.
• Wide input voltage range accommodates diverse power supply sources.
• Excellent load regulation ensures stable output voltage under varying load conditions.
• Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Lack of adjustable output voltage limits flexibility in certain scenarios.

Working Principles

The S-1135A25-U5T1U is a linear voltage regulator that utilizes a PNP transistor as the pass element. It regulates the input voltage to a stable output voltage by adjusting the resistance of the pass element based on feedback from a voltage reference circuit. This feedback loop ensures that the output voltage remains constant despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The S-1135A25-U5T1U is commonly used in various battery-powered devices, such as portable electronics, IoT devices, and wireless communication modules. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency is crucial. Additionally, its compact package allows for integration into space-constrained designs.

Detailed and Complete Alternative Models

1. S-1135A33-U5T1U: Similar to S-1135A25-U5T1U but with an output voltage range of 1.8V - 3.3V.
2. S-1135A50-U5T1U: Similar to S-1135A25-U5T1U but with an output voltage range of 2.5V - 5.0V.
3. S-1135A12-U5T1U: Similar to S-1135A25-U5T1U but with an output voltage range of 0.8V - 1.2V.

These alternative models provide different output voltage options to cater to specific application requirements.

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