LM723CN

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LM723CN

+BOM

IC REG LIN POS ADJ 150MA 14-PDIP

  • ManufacturerTexas Instruments

  • Mfr. Part #LM723CN

  • In Stock3488

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Specifications

Attribute Value
Part Status Obsolete
Base Product Number LM723
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 2V
Voltage - Output (Max) 37V
Current - Output 150mA
PSRR 86dB ~ 74dB (50Hz ~ 10kHz)
Control Features Current Limit, Frequency Control
Protection Features Short Circuit
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package 14-DIP (0.300", 7.62mm)
Supplier Device Package 14-PDIP
Packaging Tube

Overview

Description

The LM723CN is a versatile voltage regulator integrated circuit designed for a wide range of applications, providing both positive and negative output voltages. It features adjustable output voltages, typically ranging from 2V to 37V, and can deliver output currents up to 150mA without external pass transistors. With external components, it can handle higher current outputs. The device is known for its high level of versatility, offering features like current limiting, thermal shutdown, and extremely low standby current.
The LM723CN operates over a wide input voltage range, making it suitable for various power supply configurations. It includes an internal reference voltage source, an error amplifier, and a series pass transistor. This IC is widely used in power supply applications, including battery chargers and power management systems, due to its reliability and performance. It comes in an 8-pin DIP package, making it easy to integrate into electronic circuits. Overall, the LM723CN is valued for its flexibility, precision, and robustness in regulating output voltages across a diverse array of electronic devices.

Equivalent

The LM723CN is a voltage regulator IC. Equivalent products include:
1. UA723 (Texas Instruments)
2. AN7233 (Panasonic)
3. MC1723 (ON Semiconductor)
4. NTE923 (NTE Electronics)
5. CA723CE (Intersil)
These alternatives typically offer similar functionalities, such as adjustable voltage regulation and current limiting, and are suitable for similar applications. Always verify specifications to ensure compatibility.

Features

The LM723CN is a versatile voltage regulator IC known for its flexibility and reliability. Key features include:
1. Wide Input Voltage Range: It can handle input voltages from 9.5V to 40V, making it suitable for various applications.
2. Adjustable Output Voltage: The output voltage is adjustable, typically ranging from 2V to 37V, allowing for use in numerous power supply designs.
3. High Output Current: It supports an output current of up to 150mA. With external pass transistors, it can be increased to higher levels.
4. Low Temperature Drift: The IC offers stable operation over a wide temperature range, ensuring consistent performance.
5. Current Limiting: Built-in current limiting helps protect against overcurrent conditions, enhancing circuit safety.
6. Short Circuit Protection: This feature prevents the device from damage in case of a short circuit.
7. Thermal Overload Protection: Protects the IC from overheating, contributing to its durability and reliability.
8. Low Standby Current: The minimal standby current draw supports low-power applications.
These features make the LM723CN suitable for designing both linear and switching regulators.

Pinout

The LM723CN is a versatile voltage regulator IC with a 14-pin configuration. Below is a brief overview of its pin functions:
1. Pin 1 (NC): No connection.
2. Pin 2 (Current Limit Sense): Used for current limiting by connecting to an external resistor.
3. Pin 3 (V- or GND): Ground reference point for the IC.
4. Pin 4 (Vout): Output voltage pin.
5. Pin 5 (Vout Sense): Senses the output voltage.
6. Pin 6 (NC): No connection.
7. Pin 7 (VZ): Provides a reference voltage of 6.2V.
8. Pin 8 (Vref): Reference voltage output, typically 7.15V.
9. Pin 9 (V+): Positive supply voltage input.
10. Pin 10 (Non-Inverting Input): Non-inverting input for the error amplifier.
11. Pin 11 (Inverting Input): Inverting input for the error amplifier.
12. Pin 12 (NC): No connection.
13. Pin 13 (NC): No connection.
14. Pin 14 (Frequency Compensation): Used for frequency compensation to stabilize the regulator.
The LM723CN is used for precision voltage regulation and can be configured in different ways to provide both positive and negative output voltages.

Manufacturer

The LM723CN is manufactured by Texas Instruments. Texas Instruments (TI) is a global technology company that designs and produces semiconductors and various integrated circuits, which are essential components used in electronics across a wide range of industries. TI is known for its contributions to the development of analog chips and embedded processors, and it also offers a diverse portfolio of products including digital light processing (DLP) technology and calculators. The company is headquartered in Dallas, Texas, and operates through multiple facilities worldwide. It focuses on innovation and engineering to deliver solutions that help advance electronics and technology.

Application

The LM723CN is a versatile voltage regulator used in various applications. It is commonly employed in power supply designs to provide a stable output voltage, suitable for both positive and negative output configurations. Its wide input voltage range and adjustable output make it ideal for use in laboratory power supplies, battery chargers, and precision voltage regulation in industrial equipment. Additionally, its current limiting, thermal shutdown, and short-circuit protection features make it reliable for use in telecommunications equipment, instrumentation systems, and consumer electronics. The LM723CN's ability to be configured for high-current applications enhances its utility in diverse electronic circuits.

Package

The LM723CN is an integrated voltage regulator available in an 14-pin plastic dual in-line package (PDIP). It is commonly used for voltage regulation applications, offering adjustable output voltages and providing high performance and reliability in electronic circuits.

Frequently Asked Questions


Q: What is the maximum input voltage the LM723CN can handle?
A: The LM723CN can handle a maximum input voltage of 40V, making it suitable for moderate voltage regulation applications.


Q: Can I adjust the output voltage of this regulator?
A: Yes, the output is adjustable from a fixed minimum of 2V up to 37V, providing flexibility for various design needs.


Q: What is the maximum output current for the LM723CN?
A: The maximum output current is 150mA, suitable for low-power precision voltage regulation applications.


Q: Does the LM723CN include short circuit protection?
A: Yes, it features short circuit protection, enhancing reliability and preventing damage under fault conditions.


Q: What is the recommended operating temperature range?
A: The LM723CN operates reliably within a temperature range of 0°C to 70°C, ideal for commercial environments.


Q: What package type does the LM723CN use?
A: It comes in a 14-DIP (0.300", 7.62mm) through-hole package, commonly used for prototyping and easy PCB integration.


Q: Does the LM723CN support frequency control and current limiting?
A: Yes, it includes control features for both current limit and frequency control, allowing for optimized regulation performance.


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