S-1135A20-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Small package size
  • Low quiescent current
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 40µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135A20-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: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: EN (Enable)

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High efficiency minimizes power dissipation.
• Low quiescent current prolongs battery life in portable devices.
• Built-in overcurrent protection safeguards the circuit from damage.

Advantages

• Compact SOT-23-5 package allows for space-saving designs.
• Wide input voltage range provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage.
• Low dropout voltage enables efficient power conversion.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.
• No thermal shutdown feature, which could be a concern in certain scenarios.

Working Principles

The S-1135A20-U5T1U is a linear voltage regulator that maintains a constant output voltage regardless of variations in input voltage and load conditions. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry monitors the input and output voltages, continuously adjusting the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

The S-1135A20-U5T1U is commonly used in various electronic devices and systems, including: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Medical equipment

Detailed and Complete Alternative Models

• S-1135A18-U5T1U: Similar specifications with an output current of 180mA.
• S-1135A25-U5T1U: Similar specifications with an output current of 250mA.
• S-1135A33-U5T1U: Similar specifications with an output current of 330mA.

These alternative models provide options with different output currents to suit specific application requirements.

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