S-1135D14-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Ultra-Low Quiescent Current
• Package: SOT-23-5
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 1.0µA (typical)

Detailed Pin Configuration

The S-1135D14-U5T1U has a total of five pins arranged as follows:

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

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High current capability allows for stable operation in demanding applications.
• Ultra-low quiescent current minimizes power consumption during standby or idle modes.
• Built-in overcurrent protection safeguards the IC and connected components.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Small package size (SOT-23-5) facilitates space-constrained designs. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The S-1135D14-U5T1U is a linear voltage regulator that utilizes a PNP transistor as the pass element. It regulates the output voltage by adjusting the resistance between the input and output terminals, thereby minimizing the voltage drop across the regulator. The enable pin allows for control of the regulator's operation, enabling power-saving modes when necessary.

Detailed Application Field Plans

The S-1135D14-U5T1U finds application in various electronic devices, including but not limited to: 1. Battery-powered portable devices such as smartphones, tablets, and wearables. 2. Industrial equipment requiring stable and regulated power supply. 3. Automotive electronics, providing reliable voltage regulation for sensors and control systems. 4. IoT devices, ensuring efficient power management in connected systems.

Detailed and Complete Alternative Models

1. S-1135D15-M5T1G: Similar specifications, but with a different package (SOT-23-5).
2. S-1135D18-U5T1U: Higher maximum output current (800mA), suitable for more demanding applications.
3. S-1135D12-I6T1U: Lower dropout voltage (120mV @ 100mA), offering improved efficiency.

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