S-1137D27-M5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Quiescent Current: 30μA (typical)
• Output Current: 100mA (maximum)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D27-M5T1U IC has the following pin configuration:

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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 efficient regulation even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage to the IC.

Advantages

• Compact SOT-23-5 package allows for space-saving integration into various electronic designs.
• Wide input voltage range enables compatibility with a wide range of power sources.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Low quiescent current prolongs battery life in portable applications.
• Overcurrent and thermal shutdown protections enhance system reliability and safety.

Disadvantages

• Limited output current capability may not be suitable for high-power applications.
• Noisy input voltage or unstable power source may affect the regulator's performance.

Working Principles

The S-1137D27-M5T1U operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in the input voltage or load conditions. The regulator uses a feedback loop to continuously monitor and adjust the output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The S-1137D27-M5T1U is commonly used in various electronic devices and systems, including: - Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from the low dropout voltage and low quiescent current of this voltage regulator. - Automotive applications: The IC's wide input voltage range and overcurrent protection make it suitable for automotive electronics, such as infotainment systems, lighting controls, and sensors. - Industrial equipment: The regulator's compact size and robust features make it ideal for industrial automation, control systems, and power management applications.

Detailed and Complete Alternative Models

• S-1137D27-M5T1U: 2.5V to 6.0V input voltage range, 1.2V to 5.5V output voltage range, 100mA maximum output current.
• S-1137D27-M5T2U: 2.5V to 6.0V input voltage range, 1.2V to 5.5V output voltage range, 200mA maximum output current.
• S-1137D27-M5T3U: 2.5V to 6.0V input voltage range, 1.2V to 5.5V output voltage range, 300mA maximum output current.

These alternative models offer similar functionality and characteristics but differ in terms of maximum output current capability.

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