LM2676T-ADJ

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LM2676T-ADJ

IC REG BUCK ADJ 3A TO220-7

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  • Mfr。パート #LM2676T-ADJ
  • パッケージ TO-220 (NDZ)-7
  • データシート
  • 在庫中2479

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仕様

Package Tube
Series SIMPLE SWITCHER®
ProductStatus Not For New Designs
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 8V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 37V
Current-Output 3A
Frequency-Switching 260kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Through Hole
Package/Case TO-220-7 Formed Leads

概要

Description

The LM2676T-ADJ is a versatile step-down voltage regulator from Texas Instruments, part of the SIMPLE SWITCHER® line. It is designed to efficiently convert a higher input voltage to a lower, adjustable output voltage, suitable for a variety of applications. Operating with an input voltage range of 8V to 40V, it can deliver up to 3A of continuous output current. The output voltage is adjustable and can be set using a resistor divider network.
Key features of the LM2676T-ADJ include a high switching frequency of 260 kHz, which allows for the use of smaller external components, improving overall design compactness and efficiency. The device also incorporates a highly efficient N-channel MOSFET switch, reducing power loss.
Additional features include thermal shutdown, current limiting, and an enable pin for on/off control. The LM2676T-ADJ is particularly suited for applications requiring a stable power supply, such as in industrial, automotive, and consumer electronics sectors. Its robust design ensures reliable performance across varying conditions.

Features

The LM2676T-ADJ is a high-efficiency step-down voltage regulator from Texas Instruments. Key features include:
1. Adjustable Output Voltage: It provides an adjustable output voltage, which can be set using external resistors.
2. High Efficiency: The device is designed for high efficiency, often over 90%, minimizing power loss.
3. Wide Input Voltage Range: It supports a broad input voltage range, typically from 8V to 40V, making it versatile for various applications.
4. 3A Output Current: It can deliver up to 3A of continuous output current, suitable for powering a range of devices.
5. Switching Frequency: The LM2676 operates at a fixed frequency of 260 kHz, allowing for small external components and reduced space on PCB designs.
6. Overcurrent Protection: It includes overcurrent protection to prevent damage from excessive load currents.
7. Thermal Shutdown: The device has a thermal shutdown feature to protect against overheating.
8. Soft Start Capability: This feature limits inrush current during startup, enhancing reliability.
9. TO-220 Package: The LM2676T-ADJ is available in a TO-220 package, which provides good thermal performance.
These features make it suitable for a wide range of applications requiring efficient voltage regulation.

Package

The LM2676T-ADJ is a step-down voltage regulator from Texas Instruments, available in a TO-220 package. This package type is typically used for its efficient heat dissipation capabilities and is designed for through-hole mounting.

Pinout

The LM2676T-ADJ is a high-efficiency step-down (buck) voltage regulator with adjustable output. It comes in a TO-220 package and has a pin count of 5. The functions of the pins are as follows:
1. VIN: Input voltage pin. This is where the input supply voltage is connected.
2. GND: Ground pin. Connects to the ground of the circuit.
3. SW: Switch pin. This pin is connected internally to the power switch and is used for switching the inductor.
4. FB: Feedback pin. It is connected to the output voltage to set the desired output level through an external resistor divider.
5. VC: Voltage Compensation pin. This pin is used for external frequency compensation to stabilize the control loop.
This device is designed for efficiency and a wide input voltage range, making it suitable for various applications requiring a reliable step-down voltage conversion.

Manufacturer

The LM2676T-ADJ is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company known for designing and producing a wide array of electronic components and integrated circuits. TI's products are utilized in various applications, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its innovation in the field of analog and embedded processing technologies.

Application

The LM2676T-ADJ is a step-down voltage regulator used in various applications, including power supply solutions for telecommunications equipment, industrial electronics, automotive systems, and consumer electronics. It offers efficient voltage conversion for systems requiring reliable DC-DC power management. Its adjustable output voltage makes it suitable for customized power requirements in embedded systems, battery-powered devices, and distributed power architectures.

Equivalent

The LM2676T-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2576-ADJ - Similar from Texas Instruments but with lower current capability.
2. L4971 - From STMicroelectronics, with comparable features.
3. MC34063 - From ON Semiconductor, requires additional components for similar performance.
4. L78S series - From STMicroelectronics, adjustable voltage regulators.
5. LT1375 - From Analog Devices, a similar buck regulator option.
Always check datasheets for compatibility in specific applications.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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