S-1137A27-M5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high accuracy, low quiescent current
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.0V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A27-M5T1U has a total of five pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion
• High accuracy provides precise output voltage regulation
• Low quiescent current minimizes power consumption
• Enable pin allows for easy on/off control
• Thermal shutdown protection prevents overheating

Advantages

• Wide input voltage range accommodates various power sources
• Excellent load and line regulation for stable output voltage
• Small package size enables space-saving designs
• Low quiescent current prolongs battery life
• Thermal shutdown protection enhances reliability

Disadvantages

• Limited output current capability (100mA maximum)
• Not suitable for high-power applications
• Requires external capacitors for stability

Working Principles

The S-1137A27-M5T1U is a linear voltage regulator that uses a PNP transistor as the pass element. It regulates the input voltage to a stable output voltage by adjusting the resistance of the pass element. The enable pin allows the user to control the regulator's operation. When enabled, the pass element conducts current, and the output voltage is regulated. When disabled, the pass element is turned off, and no current flows through the regulator.

Detailed Application Field Plans

The S-1137A27-M5T1U is commonly used in various electronic devices that require a stable power supply. Some typical applications include: - Battery-powered devices (e.g., portable audio players, digital cameras) - Mobile phones and smartphones - Wireless communication modules - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• S-1137A18-M5T1U: Same specifications, different output voltage range (1.2V - 3.6V)
• S-1137A33-M5T1U: Same specifications, different output voltage range (1.2V - 3.3V)
• S-1137A50-M5T1U: Same specifications, different output voltage range (1.2V - 5.0V)
• S-1137B27-M5T1U: Similar specifications, lower dropout voltage (150mV @ 100mA)

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