S-1137C20-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Overcurrent protection
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.3% (typical)
• Load Regulation: ±0.5% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137C20-U5T1G IC has a total of five pins arranged as follows:

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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 stable operation even with low input voltages.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Overcurrent protection safeguards the IC and connected devices from excessive current.

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size (SOT-23-5) enables space-saving designs.
• Excellent line and load regulation ensure stable output voltage under varying conditions.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• No thermal protection feature, which could be a concern in extreme temperature environments.

Working Principles

The S-1137C20-U5T1G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized by utilizing a low dropout (LDO) architecture.

Detailed Application Field Plans

The S-1137C20-U5T1G is suitable for various applications requiring voltage regulation, such as: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-1137C20-U5T1G include: - LM1117-3.3: A popular 3.3V linear voltage regulator with a TO-220 package. - XC6206P332MR: A 3.3V LDO voltage regulator in a SOT-23-3 package. - AP2112K-3.3TRG1: A 3.3V adjustable LDO voltage regulator in a SOT-23-5 package.

Note: This is not an exhaustive list, and there are many other alternatives available in the market.

In conclusion, the S-1137C20-U5T1G is a versatile linear voltage regulator IC with excellent performance characteristics. Its low dropout voltage, high output voltage accuracy, and low quiescent current make it suitable for a wide range of applications. However, its limited maximum output current and lack of thermal protection should be considered in specific use cases.