AP432WG-7

Product Overview

Category

AP432WG-7 belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator for various applications.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Wide operating voltage range
• Low dynamic impedance
• Fast response time

Package

AP432WG-7 is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of AP432WG-7 lies in its ability to provide a stable reference voltage for precise regulation in electronic circuits.

Packaging/Quantity

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

Specifications

• Reference Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Voltage Range: 2.5V to 36V
• Dynamic Impedance: 0.2Ω
• Quiescent Current: 80µA

Detailed Pin Configuration

AP432WG-7 has three pins:

1. Vref: This pin is connected to the external circuitry requiring a stable reference voltage.
2. Anode: The anode pin is connected to the positive supply voltage.
3. Cathode: The cathode pin is connected to the ground or negative supply voltage.

Functional Features

• Precise voltage regulation
• Low output impedance
• Short-circuit protection
• Thermal shutdown protection
• Wide operating temperature range

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes variations due to temperature changes.
• Wide operating voltage range allows for versatile applications.
• Low dynamic impedance enables efficient voltage regulation.
• Fast response time ensures quick stabilization of the output voltage.

Disadvantages

• Limited output current capability.
• Requires external components for proper operation.
• Sensitive to voltage spikes and transients.

Working Principles

AP432WG-7 operates based on the principle of shunt regulation. It compares the reference voltage (Vref) with the input voltage and adjusts the current flowing through the shunt resistor to maintain a stable output voltage. By controlling the current, it compensates for any variations in the input voltage, providing a precise and constant reference voltage.

Detailed Application Field Plans

AP432WG-7 finds applications in various fields, including:

1. Power supply circuits: Provides stable reference voltage for voltage regulators and control circuits.
2. Sensor circuits: Ensures accurate measurements by providing a reliable reference voltage.
3. Communication systems: Used for voltage stabilization in signal processing circuits.
4. Industrial automation: Enables precise control in motor drives and control systems.
5. Automotive electronics: Used in automotive voltage regulation circuits for reliable performance.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP432WG-7 include:

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

These alternative models can be considered based on specific requirements and application scenarios.

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