S-1137C31-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: SOT-23-5
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 0.8V - 5.0V
• Dropout Voltage: 200mV @ 500mA
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137C31-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: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: EN (Enable)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High current capability allows for powering various loads.
• Adjustable output voltage provides flexibility in different applications.
• Enable pin allows for easy on/off control of the regulator.

Advantages

• Wide input voltage range accommodates various power sources.
• Excellent line and load regulation ensure stable output voltage.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.

Disadvantages

• Dropout voltage may limit the use of low input voltage sources.
• Limited output current may not be suitable for high-power applications.
• No thermal protection feature included.

Working Principles

The S-1137C31-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin allows for easy control of the regulator's operation.

Detailed Application Field Plans

The S-1137C31-U5T1G is commonly used in various electronic devices and systems, including: 1. Battery-powered portable devices (e.g., smartphones, tablets) for voltage regulation and power management. 2. Industrial automation systems for regulating voltage levels in control circuits. 3. Automotive electronics for stabilizing voltage in vehicle subsystems. 4. IoT devices for maintaining stable power supply in sensor networks. 5. Consumer electronics (e.g., digital cameras, audio players) for powering sensitive components.

Detailed and Complete Alternative Models

1. S-1137C33-U5T1G: Similar specifications but with a higher output voltage range (up to 3.3V).
2. S-1137C50-U5T1G: Similar specifications but with a higher output voltage range (up to 5.0V).
3. S-1137C18-U5T1G: Similar specifications but with a lower output voltage range (down to 1.8V).

These alternative models provide options for different voltage requirements while maintaining similar characteristics and package types.

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