S-1333B26-A4T2U3

Product Overview

Category

S-1333B26-A4T2U3 belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: SOT-23-5
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel

Specifications

The specifications of S-1333B26-A4T2U3 are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 160mV (typical) at 100mA load current
• Output Current: 100mA (maximum)
• Quiescent Current: 40μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of S-1333B26-A4T2U3 is as follows:

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

Functional Features

• Low dropout voltage: The S-1333B26-A4T2U3 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a quiescent current of only 40μA, this voltage regulator minimizes power consumption during standby or idle periods.
• Excellent line and load regulation: The device maintains stable output voltage levels even in the presence of variations in input voltage and load conditions.
• Thermal shutdown protection: The S-1333B26-A4T2U3 incorporates a thermal shutdown feature that protects the device from overheating, ensuring its longevity and reliability.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient regulation.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation ensures stable output voltage.
• Thermal shutdown protection enhances device reliability.

Disadvantages

• Limited output current capacity (maximum 100mA).
• Restricted input voltage range (2.5V to 6.0V).

Working Principles

The S-1333B26-A4T2U3 operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, the device ensures a stable output voltage despite fluctuations in the input voltage or load conditions.

Detailed Application Field Plans

The S-1333B26-A4T2U3 finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices: This voltage regulator is suitable for use in smartphones, tablets, portable media players, and other battery-operated gadgets.
2. IoT devices: With its low quiescent current and compact package, the S-1333B26-A4T2U3 is ideal for powering IoT sensors, wearables, and other low-power connected devices.
3. Automotive electronics: The device's wide operating temperature range makes it suitable for automotive applications such as infotainment systems, dashboard displays, and control modules.
4. Industrial equipment: The S-1333B26-A4T2U3 can be employed in various industrial applications, including factory automation, control systems, and instrumentation.

Detailed and Complete Alternative Models

1. S-1333B26-A4T1U3: Similar to the S-1333B26-A4T2U3, this model offers the same features but comes in a different package (SOT-89-5).
2. S-1333B26-A4T3U3: This alternative model provides an extended input voltage range of 2.5V to 16V, making it suitable for applications with higher voltage requirements.
3. S-1333B26-A4T4U3: With an increased output current capacity of 200mA, this variant is designed for applications demanding higher current levels.

In conclusion, the S-1333B26-A4T2U3 is a low dropout voltage regulator that offers efficient voltage regulation, low power consumption, and excellent line and load regulation. While it has limitations in terms of output current capacity and input voltage range, its thermal shutdown protection ensures reliability. It finds applications in various electronic devices and has alternative models catering to different requirements.