S-1333D28-A4T1U3

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-89-5

Essence: The S-1333D28-A4T1U3 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1333D28-A4T1U3 is typically packaged in reels and comes in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 2.8V
• Dropout Voltage: 150mV (typical)
• Quiescent Current: 30μA (typical)
• Output Current: 250mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1333D28-A4T1U3 has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output voltage accuracy provides stable voltage supply to connected devices.
• Low quiescent current minimizes power consumption when the device is in standby mode.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents the IC from overheating.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Compact package size - Wide operating temperature range - Overcurrent and thermal protection features

Disadvantages: - Limited output current capacity (250mA maximum)

Working Principles

The S-1333D28-A4T1U3 operates as a linear voltage regulator. It regulates the input voltage to a stable 2.8V output voltage by utilizing an internal reference voltage and feedback control mechanism. The dropout voltage is minimized, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The S-1333D28-A4T1U3 is commonly used in various electronic devices that require a stable 2.8V power supply. Some typical application fields include:

1. Mobile devices (smartphones, tablets)
2. Portable audio players
3. Wearable devices
4. IoT (Internet of Things) devices
5. Battery-powered devices

Detailed and Complete Alternative Models

1. S-1333D28-A4T1U2: Similar to S-1333D28-A4T1U3 but with a different package (SOT-23-5).
2. S-1333D28-A4T1U4: Similar to S-1333D28-A4T1U3 but with a higher output voltage (3.3V).

These alternative models offer similar functionality and characteristics but may differ in package size or output voltage.

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