S-8353A40UA-IQZT2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management IC
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-89-5
• Essence: Voltage Regulator with High Accuracy and Low Power Consumption
• 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: 160mV (at 100mA output current)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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 efficient power conversion.
• High accuracy in regulating the output voltage.
• Low quiescent current minimizes power consumption.
• Built-in overcurrent protection for enhanced safety.
• Thermal shutdown protection prevents overheating.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Compact SOT-89-5 package enables space-saving PCB design.
• Excellent line and load regulation for stable output voltage.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current prolongs battery life in portable devices.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• The SOT-89-5 package may require additional heat dissipation measures for high-current operation.

Working Principles

The S-8353A40UA-IQZT2U is a low dropout voltage regulator that maintains a stable output voltage despite variations in the input voltage. It utilizes a precision reference voltage and feedback control circuitry to adjust the internal pass transistor, ensuring the desired output voltage is maintained. The device operates by comparing the output voltage with the reference voltage and adjusting the pass transistor accordingly.

Detailed Application Field Plans

The S-8353A40UA-IQZT2U is widely used in various electronic devices that require regulated power supply, such as: 1. Mobile phones and smartphones 2. Portable media players 3. Digital cameras 4. Wireless communication devices 5. Battery-powered IoT devices

Detailed and Complete Alternative Models

1. S-8353A33UA-IQZT2U: Similar specifications but with a fixed output voltage of 3.3V.
2. S-8353A50UA-IQZT2U: Similar specifications but with a fixed output voltage of 5.0V.
3. S-8353A25UA-IQZT2U: Similar specifications but with a fixed output voltage of 2.5V.

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

In conclusion, the S-8353A40UA-IQZT2U is a versatile low dropout voltage regulator IC that offers high accuracy, low power consumption, and excellent performance. Its compact package and wide range of applications make it an ideal choice for various electronic devices requiring regulated power supply.