SC431CSK-2TRT

Product Overview

Category

SC431CSK-2TRT belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator.

Characteristics

• High accuracy
• Low temperature coefficient
• Low dropout voltage
• Adjustable output voltage
• Current limiting and thermal shutdown features

Package

The SC431CSK-2TRT comes in a small SOT-23 package.

Essence

The essence of SC431CSK-2TRT lies in its ability to provide a stable reference voltage for various applications.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Output Voltage Range: 1.24V to 16V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 0.6V (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SC431CSK-2TRT has three pins:

1. Vref: This pin is connected to an external resistor divider network to set the desired output voltage.
2. Cathode: The cathode pin is connected to the load.
3. Anode: The anode pin is connected to the input voltage source.

Functional Features

• Precision voltage reference
• Adjustable output voltage
• Low dropout voltage
• Current limiting and thermal shutdown protection
• Wide operating temperature range

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient ensures reliable performance over a wide temperature range
• Adjustable output voltage allows flexibility in various applications
• Current limiting and thermal shutdown features protect the device and the load

Disadvantages

• Limited output current capability
• Requires an external resistor divider network for voltage setting

Working Principles

The SC431CSK-2TRT operates as a shunt regulator. It compares the reference voltage at the Vref pin with the divided voltage at the cathode pin. By adjusting the external resistor divider network, the desired output voltage can be set. The internal circuitry of the device ensures that the output voltage remains stable and accurate.

Detailed Application Field Plans

The SC431CSK-2TRT finds applications in various fields, including:

1. Power supply circuits: It is used to provide a stable reference voltage for voltage regulators and power management systems.
2. Industrial control systems: It can be employed in control circuits that require precise voltage references.
3. Automotive electronics: The SC431CSK-2TRT is suitable for automotive applications where reliable voltage references are essential.
4. Battery charging systems: It can be utilized in battery charging circuits to maintain a constant voltage level.

Detailed and Complete Alternative Models

Some alternative models to the SC431CSK-2TRT include:

1. TL431: A widely used adjustable precision shunt regulator.
2. LM4040: A series of precision voltage references available in different output voltages.
3. REF3030: A low-power, high-precision voltage reference with a wide operating temperature range.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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