S-1135D28-A6T1U

Product Overview

Category

S-1135D28-A6T1U belongs to the category of voltage regulators.

Use

This product is used for regulating voltage in electronic circuits.

Characteristics

• Package: SOT-23-6
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

The specifications of S-1135D28-A6T1U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.8V to 5.0V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 40μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of S-1135D28-A6T1U is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. CE: Chip enable pin
5. NC: No connection
6. EN: Enable control pin

Functional Features

• Low dropout voltage: The S-1135D28-A6T1U exhibits a low dropout voltage of only 200mV, ensuring efficient regulation even with low input voltages.
• Low quiescent current: With a typical quiescent current of 40μA, this voltage regulator minimizes power consumption during standby or idle modes.
• Excellent line and load regulation: The device offers precise voltage regulation with a line regulation of ±0.05% and load regulation of ±0.3%.
• Thermal shutdown protection: The S-1135D28-A6T1U incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Precise voltage regulation with excellent line and load regulation.
• Thermal shutdown protection prevents damage due to excessive temperature.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.

Working Principles

The S-1135D28-A6T1U operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. This mechanism ensures that the output voltage remains within the specified range, regardless of variations in the input voltage.

Detailed Application Field Plans

The S-1135D28-A6T1U is widely used in various electronic devices and applications, including:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of this voltage regulator.
2. IoT devices: Internet of Things (IoT) devices often operate on low input voltages and require efficient voltage regulation, making the S-1135D28-A6T1U an ideal choice.
3. Industrial control systems: The precise voltage regulation and thermal shutdown protection make this voltage regulator suitable for industrial control systems that demand stable and reliable power supply.

Detailed and Complete Alternative Models

1. S-1135D28-M6T1U: Similar to S-1135D28-A6T1U, but with a different package (SOT-23-6).
2. S-1135D28-I6T1U: Similar to S-1135D28-A6T1U, but with an extended operating temperature range (-40°C to +105°C).
3. S-1135D28-B6T1U: Similar to S-1135D28-A6T1U, but with a higher output current of 300mA.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable voltage regulator for specific applications.

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