LM431CCM3X/NOPB

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LM431CCM3X/NOPB

IC VREF SHUNT -0.6/+0.4% SOT23-3

  • 제조업체Texas Instruments
  • Mfr.부분 #LM431CCM3X/NOPB
  • 패키지
  • 데이터시트
  • 재고 있음6709

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사양

Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.5V
Current - Output 100 mA
Tolerance -0.6%, +0.4%
Temperature Coefficient 50ppm/°C Typical
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 LM431
Current - Cathode 1 mA
Voltage - Output (Max) 37 V

개요

Description

The LM431CCM3X/NOPB is a programmable shunt voltage reference device produced by Texas Instruments. It is designed to provide high accuracy and stability, making it suitable for applications requiring precise voltage regulation. The device operates over a wide input voltage range and can be programmed to different output voltages by using external resistors.
Key features include:
- Output voltage range: 1.24V to 37V.
- Low temperature drift, ensuring stable performance across varying temperatures.
- Fast response time, which is crucial for dynamic applications.
- Available in a compact 3-pin SOT-23 package, making it suitable for space-constrained designs.
The device is commonly used in power supplies, voltage regulation circuits, and reference applications in electronics. Its versatility and reliability make it a popular choice for engineers in designing precise electronic systems. The "NOPB" designation indicates that the product is lead-free, aligning with environmental regulations for electronic components.

Features

The LM431CCM3X/NOPB is a precision voltage reference and adjustable shunt regulator from Texas Instruments. Key features include:
1. Voltage Reference: Provides a stable output voltage from 1.24V to 37V, adjustable with external resistors.
2. High Accuracy: Offers a typical reference accuracy of ±0.5% (at 25°C).
3. Temperature Stability: Ensures low drift with a temperature coefficient typically around 50 ppm/°C.
4. Output Current: Supports an output current range of 1 mA to 100 mA, making it suitable for various applications.
5. Wide Supply Voltage: Operates with a supply voltage of 2.5V to 40V.
6. Fast Response Time: Delivers quick transient response for dynamic load changes.
7. Package Options: Available in a compact SOT-23 package, facilitating easy integration into space-constrained designs.
8. Applications: Commonly used in power supplies, battery management systems, and voltage regulation circuits.
These features make the LM431CCM3X/NOPB suitable for precision applications in consumer electronics, industrial equipment, and automotive systems.

Package

The LM431CCM3X/NOPB is packaged in a SOT-23 surface mount package. This small, compact package is suitable for space-constrained applications while providing efficient performance for precision voltage reference functions.

Pinout

The LM431CCM3X/NOPB is a programmable shunt voltage reference with a pin count of 3. Its pins are defined as follows:
1. Reference (REF): This pin is used to set the output voltage reference level. It connects to an external resistor divider to adjust the output voltage.
2. Anode (A): This pin is connected to the load and allows current to flow into the shunt. It serves as the negative terminal for the voltage reference.
3. Cathode (K): This pin is the output pin that provides the regulated voltage. It is connected to the positive side of the load.
The LM431 operates with a range of output voltage levels (typically adjustable from 1.24V to 36V), making it versatile for various applications, including power supplies and voltage regulation circuits. It is housed in a surface-mount package, enhancing its utility in compact designs.

Manufacturer

The manufacturer of the LM431CCM3X/NOPB is Texas Instruments (TI). Texas Instruments is a semiconductor company that designs and manufactures a wide range of electronic components, including analog, embedded processing, and digital signal processing (DSP) solutions. Founded in 1930, TI is known for its innovation in the field of electronics and provides products for various applications, including automotive, industrial, communications, and consumer electronics. The LM431CCM3X/NOPB is a programmable shunt voltage reference used in precision voltage regulation and reference applications. TI is recognized for its commitment to quality and reliability in its products, making it a leading player in the semiconductor industry.

Application

The LM431CCM3X/NOPB is a programmable shunt regulator used in various applications such as voltage reference, power supply regulation, and feedback control in switching power supplies. It is suited for precision voltage regulation in low-power devices, LED drivers, battery chargers, and industrial automation systems. Its versatility allows it to function in linear regulators, constant-current sources, and over-voltage protection circuits.

Equivalent

Equivalent products to the LM431CCM3X/NOPB chip include the TL431, LMV431, and MCP6V51. These alternatives offer similar voltage reference and adjustable features, but specifications may vary. Always check the datasheets for precise electrical characteristics and suitability for your application.

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