ZHT431C02STOB

Product Overview

Category

ZHT431C02STOB belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Wide operating voltage range
• Low output impedance
• Adjustable output voltage
• Low power consumption

Package

ZHT431C02STOB is available in a small surface-mount package, making it suitable for compact designs.

Essence

The essence of ZHT431C02STOB lies in its ability to provide a stable reference voltage for precise voltage regulation in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 1.24V to 20V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 1.5mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ZHT431C02STOB features a three-pin configuration:

1. Anode (A): Connected to the input voltage.
2. Cathode (C): Connected to the ground/reference potential.
3. Adjust (ADJ): Provides an adjustable output voltage.

Functional Features

• Precise voltage regulation: ZHT431C02STOB ensures a stable output voltage regardless of input variations.
• Adjustable output voltage: The ADJ pin allows users to set the desired output voltage within the specified range.
• Low output impedance: This feature enables efficient voltage regulation even in the presence of load variations.
• Low power consumption: ZHT431C02STOB consumes minimal power, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable voltage regulation.
• Wide operating voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility in system design.
• Small package size enables space-saving designs.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited maximum output voltage may not be suitable for certain high-voltage applications.
• Temperature coefficient could affect performance in extreme temperature conditions.

Working Principles

ZHT431C02STOB operates based on the principle of a shunt regulator. It compares the reference voltage across its internal bandgap reference with an external resistor divider network connected to the ADJ pin. By adjusting the resistance ratio, the desired output voltage can be set. The internal circuitry ensures that the output voltage remains stable even when the input voltage or load conditions change.

Detailed Application Field Plans

ZHT431C02STOB finds applications in various electronic systems, including but not limited to: - Power supplies - Battery charging circuits - Voltage regulators - Instrumentation equipment - Audio amplifiers - Industrial control systems

Detailed and Complete Alternative Models

1. LM4040CIZ-4.1/NOPB: Precision Shunt Voltage Reference, 4.096V output, SOT-23 package.
2. TL431AIDBZR: Programmable Precision Reference, adjustable output, SOT-23 package.
3. MAX6006BEUR+T: Low-Power Voltage Reference, 2.048V output, SOT-23 package.
4. REF3030AIDBZT: Micropower Voltage Reference, 3.0V output, SOT-23 package.

These alternative models offer similar functionality and can be considered as substitutes for ZHT431C02STOB in various applications.

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