TL497ACN

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TL497ACN

IC REG BUCK BST ADJ 500MA 14DIP

  • Fabricante
  • Mfr. Parte #TL497ACN
  • Paquete PDIP (N)-14
  • Hoja de datos
  • En stock2979

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Especificaciones

Package Tube
ProductStatus Active
Function Step-Up, Step-Down
OutputConfiguration Positive or Negative
Topology Buck, Boost
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 12V
Voltage-Output(Min/Fixed) ±1.2V
Voltage-Output(Max) 30V, -25V
Current-Output 500mA (Switch)
SynchronousRectifier No
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 14-DIP (0.300, 7.62mm)

Descripción general

Description

The TL497ACN is a versatile, monolithic, integrated circuit used primarily for DC-DC converter applications. It is manufactured by Texas Instruments and offers a cost-effective solution for power regulation. This device is known for its ability to convert a DC signal from one voltage level to another, providing both step-up (boost) and step-down (buck) capabilities.
The TL497ACN operates over a wide input voltage range and can deliver high efficiency for power supply designs. It includes features such as internal frequency compensation, pulse-width modulation (PWM) control, and short-circuit protection. The device's switching frequency is set by an external timing capacitor, allowing for flexibility in design.
One of its key advantages is the simplicity it brings to power management circuits, requiring minimal external components, which can reduce overall design complexity and cost. The TL497ACN is commonly used in applications like battery-powered devices, automotive systems, and industrial equipment where efficient voltage conversion is crucial. Its robust performance and reliability make it a popular choice among engineers designing power supplies and voltage regulation circuits.

Features

The TL497ACN is a versatile, monolithic voltage regulator IC designed for high-performance power supply applications. Key features include:
1. Operating Range: It operates with an input voltage range of up to 40V.
2. Output Voltage: Capable of providing both positive and negative output voltages, with adjustable output levels to suit various applications.
3. Switching Frequency: Features a nominal switching frequency of approximately 100 kHz, which can be adjusted by external components.
4. Efficiency: High efficiency due to pulse-width modulation (PWM) control and low power dissipation.
5. Protection Features: Includes built-in protection against overcurrent and thermal overload, enhancing reliability and safety.
6. Compact Design: Available in a DIP-8 package, making it suitable for space-constrained applications.
7. Minimal External Components: Requires few external components for operation, simplifying the design process.
8. Applications: Ideal for use in step-up, step-down, and inverting power supply configurations, catering to a wide range of electronic devices and systems.
These features make the TL497ACN a flexible and reliable choice for designing efficient power supply circuits.

Package

The TL497ACN is a switching voltage regulator IC that typically comes in a dual in-line package (DIP), specifically a 14-pin DIP.

Pinout

The TL497ACN is a switching voltage regulator integrated circuit from Texas Instruments. It typically comes in a 14-pin dual in-line package (DIP). The TL497ACN is designed for applications requiring highly efficient, low-power voltage regulation. It operates in a step-up, step-down, or inverting configuration, making it versatile for various voltage conversion needs.
Key functionalities of the TL497ACN include:
1. Switching Regulator: It is used for converting a DC input voltage to a desired DC output voltage using a high-efficiency switching technique.

2. Adjustable Output Voltage: The output voltage can be adjusted through the use of external resistors.

3. Internal Frequency Compensation: It features an internal oscillator to control the switching frequency, simplifying the design process.

4. Current Limiting: Includes a feature to limit the output current, protecting the circuit from overload conditions.
5. Thermal Shutdown: Protects the IC from overheating by shutting down when a critical temperature is reached.
The TL497ACN is suitable for applications such as power supply designs, battery chargers, and other circuits requiring efficient voltage conversion and regulation.

Manufacturer

The TL497ACN is manufactured by Texas Instruments, a well-known American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in electronic devices and systems. The company is a leader in the global electronics industry, providing products and solutions that serve multiple sectors, including consumer electronics, automotive, industrial, and communications.

Application

The TL497ACN is a versatile switching voltage regulator used in various applications, including power supply design, voltage conversion, and battery-operated devices. It is suitable for DC-DC converter applications, such as step-up (boost) or step-down (buck) converters, and voltage inverting configurations. Its ability to operate over a range of input voltages makes it ideal for portable electronics, automotive systems, and embedded systems requiring efficient power management and conversion.

Equivalent

Equivalent products to the TL497ACN switching voltage regulator include the MC34063, LM1577, and LM2577. These chips serve similar functions in voltage regulation and power conversion, though specific features and performance metrics may vary. Always verify specifications to ensure compatibility with your application.

Envío

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DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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