S-1137C19-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOT-23-5
• Essence: Voltage Regulator
• 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
• Output Current: 150mA (max)
• Dropout Voltage: 200mV (typ)
• Quiescent Current: 30µA (typ)

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage

Functional Features

• Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode.
• Thermal Shutdown Protection: Prevents overheating of the IC.
• Short Circuit Protection: Safeguards against excessive current flow.

Advantages

• High Efficiency: Provides efficient power conversion, reducing energy waste.
• Small Package Size: SOT-23-5 package allows for space-saving designs.
• Wide Input Voltage Range: Suitable for various applications with different power sources.
• Stable Output Voltage: Maintains a constant voltage level under varying load conditions.

Disadvantages

• Limited Output Current: Maximum output current of 150mA may not be sufficient for high-power applications.
• Dropout Voltage: A minimum input-output voltage difference of 200mV is required for proper regulation.

Working Principles

The S-1137C19-U5T1U is a voltage regulator that converts an input voltage to a regulated output voltage. It utilizes a feedback mechanism to adjust the output voltage based on the reference voltage. The enable pin allows for control of the regulator's operation, while the thermal shutdown and short circuit protection features ensure safe and reliable operation.

Detailed Application Field Plans

The S-1137C19-U5T1U is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices. It is suitable for applications that require efficient power management and a stable output voltage. Some specific application areas include:

1. Battery-Powered Devices: Extends battery life by efficiently regulating the voltage supplied to various components.
2. IoT Devices: Provides reliable power management for sensors, microcontrollers, and wireless communication modules.
3. Consumer Electronics: Ensures stable voltage supply for audio/video equipment, cameras, and gaming consoles.

Detailed and Complete Alternative Models

1. S-1137C18-U5T1U: Similar specifications but with a lower dropout voltage.
2. S-1137C20-U5T1U: Similar specifications but with a higher output current capability.
3. S-1137C21-U5T1U: Similar specifications but with a wider input voltage range.

Note: These alternative models are suggested based on similar characteristics and package type. It is recommended to refer to the manufacturer's datasheets for detailed specifications and suitability for specific applications.

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