S-1137C23-M5T1U

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output voltage accuracy - Low quiescent current - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: SOT-23-5

Essence: The S-1137C23-M5T1U is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The S-1137C23-M5T1U is typically sold in reels containing 3000 units.

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)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1137C23-M5T1U has the following pin configuration:

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| | --| V IN|-- Pin 1: Input Voltage --|____| | | --| V O |-- Pin 2: Output Voltage --|____| | | --| GND |-- Pin 3: Ground --|____| | | --| EN |-- Pin 4: Enable (Active High) --|____| | | --| NC |-- Pin 5: No Connection --|____| ```

Functional Features

• Low Dropout Voltage: The S-1137C23-M5T1U exhibits a low dropout voltage, ensuring stable output voltage even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator IC provides high accuracy in maintaining the desired output voltage, minimizing fluctuations and ensuring reliable performance of connected devices.
• Low Quiescent Current: With a low quiescent current, the S-1137C23-M5T1U minimizes power consumption when the load is light or idle, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive heat by shutting down the device when the temperature exceeds a safe threshold.
• Overcurrent Protection: The S-1137C23-M5T1U includes overcurrent protection, safeguarding the connected circuitry from potential damage caused by excessive current flow.
• Short-Circuit Protection: In case of a short circuit, this IC automatically shuts down to protect both itself and the connected devices.

Advantages and Disadvantages

Advantages: - Stable and regulated output voltage - Low dropout voltage - High output voltage accuracy - Low quiescent current - Built-in thermal shutdown, overcurrent, and short-circuit protection

Disadvantages: - Limited maximum output current (150mA)

Working Principles

The S-1137C23-M5T1U operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from a resistive voltage divider network. The internal circuitry adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The S-1137C23-M5T1U finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

1. S-1137C23-M5T1U: The model described in this entry.
2. S-1137C23-M5T2U: Similar to the S-1137C23-M5T1U, but with a different package (SOT-23-5).
3. S-1137C23-M5T3U: Higher output current variant (300mA) of the S-1137C23 series.
4. S-1137C23-M5T4U: Lower quiescent current variant (10µA) of the S-1137C23 series.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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