S-1137D33-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high current capability
• Package: SOT-89
• 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: 3.3V
• Dropout Voltage: 0.15V @ 500mA
• Maximum Output Current: 1A
• Line Regulation: ±0.05% (Typical)
• Load Regulation: ±0.1% (Typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D33-U5T1U has a total of three pins: 1. Pin 1: VIN (Input Voltage) 2. Pin 2: GND (Ground) 3. Pin 3: VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High current capability allows for reliable operation in demanding applications.
• Excellent line and load regulation provide stable output voltage.
• Thermal shutdown protection prevents damage due to excessive heat.
• Short-circuit protection safeguards the IC and connected devices.

Advantages and Disadvantages

Advantages: - Low dropout voltage minimizes power loss. - High current capability suits various power-hungry devices. - Compact SOT-89 package enables space-saving designs. - Excellent line and load regulation ensure stable voltage output.

Disadvantages: - Limited input voltage range may not be suitable for all applications. - Higher cost compared to some alternative models.

Working Principles

The S-1137D33-U5T1U is a linear voltage regulator that operates by comparing the input voltage (VIN) with a reference voltage. It adjusts the output voltage (VOUT) to maintain a stable value, regardless of changes in the input voltage or load conditions. The dropout voltage is the minimum voltage difference required between VIN and VOUT for the IC to regulate properly.

Detailed Application Field Plans

The S-1137D33-U5T1U finds applications in various electronic devices, including: 1. Battery-powered devices: Provides regulated power supply for portable electronics. 2. Microcontrollers: Ensures stable voltage for reliable operation. 3. Communication systems: Maintains constant voltage for consistent signal quality. 4. Industrial equipment: Supports precise control circuits and sensors. 5. Automotive electronics: Regulates voltage for automotive modules and subsystems.

Detailed and Complete Alternative Models

1. S-1137D33-M5T1U: Similar specifications but with a different package (SOT-23).
2. S-1137D33-U5T2U: Higher maximum output current (1.5A) but slightly higher dropout voltage.
3. S-1137D33-U5T3U: Lower maximum output current (500mA) but lower dropout voltage.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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