TL432BCDBZR

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TL432BCDBZR

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IC VREF SHUNT ADJ 0.5% SOT23-3

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規格

屬性 價值
Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.495V
Current - Output 100 mA
Tolerance ±0.5%
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Base Product Number TL432
Current - Cathode 80 µA
Voltage - Output (Max) 36 V

概述

Description

The TL432BCDBZR is a precision programmable shunt voltage reference device commonly used in electronic circuits for voltage regulation and reference. It belongs to the family of adjustable precision shunt regulators and is manufactured by Texas Instruments. The device is typically housed in a small SOT-23 package, making it suitable for space-constrained applications.
Key features of the TL432BCDBZR include a programmable output voltage that can be adjusted from 2.5V to 36V using external resistors, and a tight voltage tolerance, which ensures high accuracy in reference applications. It also has a low output dynamic impedance and a wide operating temperature range, enhancing its reliability and performance in various environments.
The TL432BCDBZR is commonly used in power supply circuits, data acquisition systems, and other applications that require a stable reference voltage. It replaces traditional Zener diodes in precision applications due to its superior temperature stability and adjustable output. With its versatility and precision, the TL432BCDBZR is a popular choice in many modern electronic designs.

Equivalent

The TL432BCDBZR is a programmable precision reference with a shunt regulator. Equivalent products include the LM431 series (e.g., LM431ACZ) from Texas Instruments, KA431 series from ON Semiconductor, and TLVH431 from Microchip Technology. These are similar shunt voltage references with comparable specifications and functionality that can often be used interchangeably in circuits. Always verify the specific parameters like voltage tolerance and temperature range to ensure compatibility with your application.

Features

The TL432BCDBZR is a precision programmable reference voltage device. Its key features include:
1. Adjustable Shunt Regulator: The output voltage can be set to any value between Vref (approximately 2.5V) to 36V with two external resistors.
2. Precision Voltage: It offers a precise reference voltage with a typical accuracy of ±0.5% over the full temperature range.
3. Wide Operating Temperature: The device operates effectively from -40°C to 85°C, making it suitable for various applications.
4. Low Dynamic Impedance: The TL432BCDBZR features a low output dynamic impedance, typically 0.2Ω, ensuring stable operation under varying loads and input voltages.
5. Sink Current Capability: It can handle sink currents from 1mA to 100mA, providing flexibility in different circuit configurations.
6. Package Options: It is available in industry-standard packages, like SOT-23, making it easy to integrate into compact designs.
7. Applications: Commonly used in voltage monitoring, precision power supplies, and adjustable voltage and current sources.
These features make the TL432BCDBZR ideal for applications requiring high precision voltage regulation and flexibility.

Pinout

The TL432BCDBZR is a programmable precision reference with a typical pin count of 3 pins. This device is commonly packaged in a small-outline transistor (SOT-23) or similar package format. The primary function of the TL432BCDBZR is to act as an adjustable shunt regulator with a nominal voltage of 2.5V, which can be adjusted to higher values using external resistors.
Here are the functions of the pins:
1. Anode (A): Connected to the negative side of the reference voltage. In shunt regulator configurations, the anode is typically connected to ground.
2. Cathode (K): Acts as the output pin, where the regulated voltage is maintained. It is also the control terminal that adjusts the output voltage based on the voltage at the reference pin.
3. Reference (R): Used to set the reference voltage with respect to the anode. By varying the voltage at this pin, the output voltage can be adjusted above the initial 2.5V.
This component is widely used in applications requiring voltage regulation, such as power supplies and battery chargers.

Manufacturer

The TL432BCDBZR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits (ICs) and analog devices. It is known for its innovations in electronics and for supplying technology used in various applications such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company focuses on developing analog chips and embedded processors, which are crucial for efficient power management, signal processing, and data conversion in electronic devices.

Application

The TL432BCDBZR is a versatile voltage reference diode commonly used in various applications. Its primary uses include:
1. Voltage Regulation: Acts as a precision voltage reference for linear regulators and switching power supplies.
2. Shunt Regulators: Employed in circuits requiring a stable reference or adjustable voltage shunt regulation.
3. Battery Chargers: Used to maintain precise control over charging voltages.
4. Data Acquisition Systems: Provides stable references for analog-to-digital converters (ADCs).
5. Power Supply Modules: Offers precision voltage feedback in power supply circuits.
6. Overvoltage Protection: Serves as a reference in overvoltage protection circuits.
7. Instrumentation: Used in sensor and measurement equipment needing stable voltage references.

Package

The TL432BCDBZR is housed in a SOT-23 package, which is a small-outline, three-lead surface-mount package commonly used for electronic components.

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