S-1137C14-U5T1G

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 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-1137C14-U5T1G has a total of five pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin for turning the regulator on/off 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High accuracy provides precise regulation of output voltage.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Enable pin allows for easy control of the regulator's operation.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Excellent load and line regulation ensure stable output voltage under different conditions. - Small package size (SOT-23-5) allows for space-saving designs. - Low quiescent current prolongs battery life in portable applications.

Disadvantages: - Limited maximum output current (100mA) 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-1137C14-U5T1G is a linear voltage regulator that uses a PNP transistor as the pass element. It regulates the output voltage by comparing a reference voltage with a feedback voltage derived from the output. The pass element adjusts its resistance to maintain the desired output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The S-1137C14-U5T1G is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include: - Battery-powered devices: Portable audio players, digital cameras, handheld gaming consoles. - Communication equipment: Mobile phones, wireless routers, Bluetooth devices. - Industrial control systems: Sensors, actuators, motor drivers. - Automotive electronics: Infotainment systems, navigation devices, lighting controls.

Detailed and Complete Alternative Models

• S-1137C15-U5T1G: Similar specifications but with an adjustable output voltage.
• S-1137C18-U5T1G: Higher maximum output current (150mA) for more demanding applications.
• S-1137C20-U5T1G: Lower dropout voltage (150mV) for applications with tight voltage margins.

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