S-1137A26-M5T1U

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout Voltage
Package: SOT-23-5
Essence: Integrated Circuit
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
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137A26-M5T1U 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: EN (Enable)
Pin 4: VOUT (Output Voltage)
Pin 5: NC (No Connection)

Functional Features

• Low dropout voltage allows for efficient power conversion.
• Wide input voltage range enables compatibility with various power sources.
• Excellent line and load regulation ensures stable output voltage.
• Low quiescent current minimizes power consumption during standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive currents.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation. - Compact SOT-23-5 package allows for space-saving integration. - Wide operating temperature range enables usage in various environments.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - No adjustable output voltage option restricts flexibility in certain scenarios.

Working Principles

The S-1137A26-M5T1U is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes an integrated circuit to regulate the voltage and ensure a constant supply to connected devices. The dropout voltage, which is the minimum voltage difference between the input and output, is kept low to minimize power dissipation. By monitoring the enable pin, the regulator can be turned on or off as required, conserving energy during standby periods.

Detailed Application Field Plans

The S-1137A26-M5T1U finds application in various electronic devices where a stable voltage supply is crucial. Some potential fields of use include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the efficient power conversion and low dropout voltage of the S-1137A26-M5T1U.
2. IoT Devices: Connected devices such as sensors, wearables, and home automation systems rely on stable voltage regulation for reliable operation.
3. Battery-Powered Systems: The wide input voltage range and low quiescent current make this voltage regulator suitable for battery-powered applications like wireless sensors and remote controls.

Detailed and Complete Alternative Models

1. S-1137A33-M5T1U: Similar to S-1137A26-M5T1U but with an output voltage range of 1.8V to 5.5V.
2. S-1137A50-M5T1U: Similar to S-1137A26-M5T1U but with an output voltage range of 2.5V to 5.5V.
3. S-1137A33-I6T1U: Similar to S-1137A26-M5T1U but with an extended operating temperature range of -40°C to +105°C.

These alternative models offer similar functionality and characteristics, providing options for different voltage requirements and environmental conditions.

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