A7985ATR

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A7985ATR

+BOM

IC REG BUCK ADJUSTABLE 2A 8HSOP

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 38V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 38V
Current-Output 2A
Frequency-Switching 250kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width) Exposed Pad

Overview

Description

The A7985ATR is likely a part number for a specific electronic component, often used in various applications like power management, voltage regulation, or motor control. As part numbers can be associated with components like integrated circuits or transistors, the A7985ATR might be a voltage regulator or a similar semiconductor device. These components are typically used to ensure stable voltage supply, manage power distribution, or control current flow in electronic circuits.
To understand its specific functions and applications, it's essential to consult the manufacturer's datasheet, which provides detailed information such as electrical characteristics, pin configurations, application circuits, and thermal considerations. These documents are crucial for engineers and designers in selecting the right component for their specific application requirements, ensuring compatibility and reliability within the intended electronic system. If you need precise information, it is advisable to look up the datasheet from the manufacturer's website or a reliable electronics parts distributor.

Equivalent

The A7985ATR is a step-down switching regulator by STMicroelectronics. Equivalent products from other manufacturers include:
1. LM2596 by Texas Instruments
2. L4973 by STMicroelectronics
3. MC34063 by ON Semiconductor
4. TL2575 by Texas Instruments
5. MP1584 by Monolithic Power Systems
These alternatives provide similar voltage regulation capabilities with various input/output specifications. Always check datasheets to ensure compatibility with your specific application.

Features

The A7985ATR is a voltage regulator integrated circuit designed for automotive applications. It is known for its ability to provide a stable output voltage even under varying load conditions. Key features of the A7985ATR include:
1. Wide Input Voltage Range: It supports a broad input voltage range, making it versatile for different applications.

2. High Efficiency: The device is designed to deliver high efficiency across its operating range, which is crucial for reducing power loss and improving overall system performance.

3. Low Dropout Voltage: Ensures minimal voltage difference between the input and output, enhancing efficiency.

4. Protection Features: Built-in protections such as overcurrent, overtemperature, and short-circuit protection to enhance the reliability and safety of the device.
5. Automotive-Grade: It meets the stringent requirements of automotive applications, ensuring it performs reliably under harsh conditions.
6. Compact Package: Available in compact packaging suitable for space-constrained applications.
These features make the A7985ATR suitable for various automotive power management applications, providing robust and efficient voltage regulation.

Pinout

The A7985ATR is a step-down switching regulator IC designed by STMicroelectronics. It is commonly used for converting a higher voltage to a lower stable voltage suitable for powering various electronic components. This device is housed in a compact HSOP8 package, which consists of 8 pins.
Here's a brief overview of its pin configuration and functions:
1. Pin 1 (IN): Input voltage pin, where the supply voltage is connected.
2. Pin 2 (SW): Switch output pin, connected to the inductor for regulating output voltage.
3. Pin 3 (GND): Ground pin, used for the return path of the circuit.
4. Pin 4 (FB): Feedback pin, connected to the output for voltage regulation feedback.
5. Pin 5 (COMP): Compensation pin, for external stability component connection.
6. Pin 6 (EN): Enable pin, used to enable or disable the regulator.
7. Pin 7 (SS): Soft-start pin, used to control the startup behavior to minimize inrush current.
8. Pin 8 (VCC): Internal supply voltage pin.
The A7985ATR is typically used in applications requiring high efficiency and compact size, such as consumer electronics and industrial applications.

Manufacturer

The A7985ATR is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in the development and production of high-performance power and sensing solutions. They focus on providing innovative semiconductor solutions for various applications, including automotive, industrial, and consumer markets. Allegro is known for its expertise in magnetic sensor ICs and application-specific analog power ICs, which are used in a wide range of applications such as motor control, energy-efficient systems, and automotive safety.

Application

The A7985ATR is a step-down switching regulator primarily used in various power management applications. Its areas of application include powering microcontrollers, FPGAs, and other digital devices in consumer electronics, industrial automation systems, and communications equipment. It is also suitable for use in automotive systems, LED lighting, and battery-powered devices due to its high efficiency and compact form factor. The regulator is designed to deliver stable output voltage from a wide input voltage range, making it versatile for both fixed and portable power supply solutions. Its features like overcurrent and thermal protection further enhance its reliability in demanding environments.

Package

The A7985ATR is typically provided in an HTSSOP (Thermally Enhanced Thin Shrink Small Outline Package) package type. This package is designed to offer a compact form factor while providing efficient thermal performance, which is suitable for various electronic applications.

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