S-1135A29-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Small package size
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 150mV at 100mA
• Maximum Output Current: 100mA
• Quiescent Current: 30µA (typical)

Detailed Pin Configuration

The S-1135A29-U5T1U IC has the following pin configuration:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage) Pin 4: NC (No Connection) Pin 5: EN (Enable)

Functional Features

• Voltage Regulation: The S-1135A29-U5T1U maintains a stable output voltage even when the input voltage fluctuates within the specified range.
• Low Dropout Voltage: The IC exhibits a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• Enable Function: The EN pin allows for easy control of the regulator's operation, enabling or disabling it as needed.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss. - Wide input voltage range allows for versatile applications. - Small package size saves space in electronic designs.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - No connection (NC) pin limits the flexibility of the IC's pin configuration.

Working Principles

The S-1135A29-U5T1U utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. The error amplifier compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The S-1135A29-U5T1U is commonly used in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wearable devices - IoT applications

Detailed and Complete Alternative Models

• S-1135A28-U5T1U: Similar specifications and features, but with a different pin configuration.
• S-1135A30-U5T1U: Higher maximum output current of 300mA, suitable for more power-demanding applications.
• S-1135A31-U5T1U: Lower dropout voltage of 80mV, providing even higher efficiency.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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