S-8354A40UA-JQZT2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-89-5
• Essence: Voltage Regulator IC
• 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
• Maximum Output Current: 400mA
• Dropout Voltage: 200mV (at 100mA output current)
• Quiescent Current: 45µA (typical)

Detailed Pin Configuration

The S-8354A40UA-JQZT2U has a total of five pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage: Ensures stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: Minimizes power consumption in standby mode.
• Overcurrent protection: Safeguards the circuit by limiting the output current in case of a short circuit or excessive load.
• Thermal shutdown protection: Prevents damage to the IC by shutting down the regulator when it exceeds the specified temperature limit.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for flexibility in various applications. - Low dropout voltage ensures efficient power conversion. - Small package size (SOT-89-5) enables space-saving designs. - Overcurrent and thermal shutdown protections enhance reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Requires external components (input/output capacitors) for stable operation.

Working Principles

The S-8354A40UA-JQZT2U is a linear voltage regulator that regulates the output voltage by maintaining a constant voltage difference between the input and output. It achieves this by using a pass transistor to control the current flow and adjusting its resistance to maintain the desired output voltage.

Detailed Application Field Plans

The S-8354A40UA-JQZT2U is commonly used in various battery-powered devices, such as portable electronic devices, IoT devices, and wireless communication modules. Its low dropout voltage and low quiescent current make it suitable for applications where power efficiency and extended battery life are crucial.

Detailed and Complete Alternative Models

1. S-8354A33UA-JQZT2U: Similar to S-8354A40UA-JQZT2U but with an output voltage range of 1.2V to 3.3V.
2. S-8354A50UA-JQZT2U: Similar to S-8354A40UA-JQZT2U but with an output voltage range of 1.2V to 5.0V.
3. S-8354A30UA-JQZT2U: Similar to S-8354A40UA-JQZT2U but with an output voltage range of 1.2V to 3.0V.

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and package options.

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