S-1137D27-U5T1G

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current Capability
• Package: SOT-23-5
• Essence: Regulates voltage to ensure stable power supply
• 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 (typical)
• Maximum Output Current: 1A
• Quiescent Current: 75μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D27-U5T1G has a total of five pins arranged in the following configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High current capability allows for powering various electronic devices.
• Enable pin provides control over the regulator's operation.
• Stable output voltage even under varying input conditions.
• Overcurrent and thermal protection for enhanced reliability.

Advantages

• Compact SOT-23-5 package enables space-saving designs.
• Wide input voltage range accommodates different power sources.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation for precise voltage control.
• Robust protection features enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage of 200mV may cause a slight voltage drop across the regulator.

Working Principles

The S-1137D27-U5T1G is a linear voltage regulator that operates by maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this through a feedback mechanism that adjusts the internal pass transistor to regulate the output voltage. The dropout voltage refers to the minimum voltage difference between the input and output required for the regulator to function correctly.

Detailed Application Field Plans

The S-1137D27-U5T1G finds application in various electronic devices, including: - Battery-powered portable devices - Wireless communication systems - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

• S-1137D25-U5T1G: Similar specifications but with a lower output voltage range (1.2V - 4.5V).
• S-1137D30-U5T1G: Similar specifications but with a higher output voltage range (1.2V - 6.0V).
• S-1137D28-U5T1G: Similar specifications but with a different package (SOT-89-5).

Note: These alternative models provide flexibility based on specific voltage requirements and package preferences.

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