S-1137D24-U5T1G

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 0.8V - 5.5V
• Dropout Voltage: 200mV @ 500mA
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137D24-U5T1G has a total of five pins arranged in the following configuration: 1. VIN: Input Voltage Pin 2. GND: Ground Pin 3. FB: Feedback Pin 4. EN: Enable Pin 5. VOUT: Output Voltage Pin

Functional Features

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

Advantages

• Wide input voltage range enables compatibility with different power sources.
• Low quiescent current minimizes power consumption during standby or idle states.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Small package size (SOT-23-5) facilitates space-saving integration into compact designs.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Dropout voltage of 200mV may cause a slight voltage drop across the regulator.

Working Principles

The S-1137D24-U5T1G operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. When the input voltage exceeds the desired output voltage, the regulator adjusts the pass transistor to reduce the voltage difference, maintaining a stable output. Conversely, if the input voltage drops below the desired output voltage, the regulator compensates by increasing the pass transistor's resistance, ensuring a consistent output voltage.

Detailed Application Field Plans

The S-1137D24-U5T1G finds application in various electronic devices and systems, including: 1. Battery-powered portable devices: Provides regulated power supply for microcontrollers, sensors, and other components. 2. Automotive electronics: Ensures stable voltage for automotive control units, infotainment systems, and lighting modules. 3. Industrial automation: Used in PLCs, motor drives, and sensor interfaces to maintain reliable operation. 4. Communication equipment: Regulates voltage for routers, switches, and wireless access points, enhancing network stability. 5. Consumer electronics: Enables consistent power delivery in smartphones, tablets, and audio/video devices.

Detailed and Complete Alternative Models

1. S-1137D25-U5T1G: Similar to S-1137D24-U5T1G but with an adjustable output voltage range of 0.8V - 5.0V.
2. S-1137D26-U5T1G: Offers a fixed output voltage of 2.6V, suitable for specific applications requiring a constant voltage level.
3. S-1137D27-U5T1G: Provides an adjustable output voltage range of 1.2V - 3.6V, ideal for low-power IoT devices.

(Note: These alternative models are from the same series and share similar characteristics and pin configurations.)

In conclusion, the S-1137D24-U5T1G is a voltage regulator IC with excellent performance, offering adjustable output voltage, high current capability, and low dropout voltage. Its compact package and wide range of applications make it a versatile choice for various electronic systems.