S-1135D16-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
• Output Current: 100mA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135D16-U5T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin for turning the regulator on/off 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.
• Built-in overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown protection prevents damage due to overheating.

Advantages

• Compact SOT-23-5 package allows for space-saving integration into various applications.
• Wide input voltage range enables compatibility with different power sources.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Low quiescent current extends battery life in portable devices.
• Robust overcurrent and thermal protection enhance reliability.

Disadvantages

• Limited output current of 100mA may not be sufficient for high-power applications.
• Dropout voltage of 200mV can result in higher power dissipation compared to ultra-low dropout regulators.

Working Principles

The S-1135D16-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 between the input and output terminals. The enable pin allows the user to control the regulator's operation, enabling power-saving functionality when not required.

Detailed Application Field Plans

The S-1135D16-U5T1U finds application in various electronic devices where a stable voltage supply is crucial. Some potential fields of use include: 1. Battery-powered devices: Portable audio players, digital cameras, handheld gaming consoles. 2. Communication equipment: Wireless routers, modems, set-top boxes. 3. Automotive electronics: Infotainment systems, navigation units, dashboard displays. 4. Industrial automation: Sensors, actuators, control systems. 5. Medical devices: Patient monitoring equipment, diagnostic instruments.

Detailed and Complete Alternative Models

1. S-1135D18-U5T1U: Similar specifications but with an output current of 150mA.
2. S-1135D15-U5T1U: Lower dropout voltage of 150mV but with a reduced output current of 50mA.
3. S-1135D20-U5T1U: Higher output current of 200mA but with a slightly higher dropout voltage of 250mV.

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