A7985ATR

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A7985ATR

IC REG BUCK ADJUSTABLE 2A 8HSOP

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規格

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

概述

Description

The A7985ATR is a specific model of an integrated circuit, typically used in electronic applications. It is often associated with voltage regulation or power management functions. This type of component is designed to efficiently manage power distribution in a variety of electronic devices, ensuring stable voltage levels and protecting circuits from fluctuations or overloads.
Key features generally include low dropout voltage, overcurrent protection, and thermal shutdown capabilities, which help in maintaining the reliability and longevity of electronic systems. The "ATR" suffix usually indicates a specific package type or revision, which can affect its physical dimensions and thermal characteristics.
In practical terms, the A7985ATR is used in consumer electronics, computing devices, and possibly automotive applications, where precise power control is crucial. It aids in reducing power consumption, enhancing performance, and supporting the overall efficiency of devices. When integrating such a component, engineers consider factors like input and output voltage, current requirements, and thermal management to optimize its performance within the desired application.

Features

The A7985ATR is a step-down monolithic power switching regulator designed for efficient voltage conversion. Key features include:
1. Input Voltage Range: Operates from a wide input voltage range, making it versatile for various applications.
2. Output Voltage: Provides a stable and adjustable output voltage, ensuring precise power delivery.
3. Switching Frequency: Features a high switching frequency, which allows for smaller external components and a compact overall design.
4. Efficiency: Offers high efficiency across a range of loads, reducing power loss and heat generation.
5. Current Capability: Supports a substantial output current, suitable for powering demanding loads.
6. Protection Features: Includes built-in protections such as over-current, thermal shutdown, and short-circuit protection to enhance reliability and safety.
7. Packaging: Available in a compact package, suitable for space-constrained applications.
8. Applications: Ideal for use in consumer electronics, industrial applications, and any system requiring efficient voltage regulation.
This combination of features makes the A7985ATR a robust and flexible choice for power management in various electronic devices.

Package

The A7985ATR is a DC-DC converter IC in a compact, surface-mount package. Specifically, it comes in an HSOP-8 package, which is a heatsink package with 8 pins, designed for efficient thermal performance in power management applications.

Pinout

The A7985A is a step-down switching regulator. The A7985ATR is a specific version of this device that comes in a particular package and tape-and-reel format suitable for automatic assembly processes. It typically comes in a standard HSOP8 (Exposed Pad) package.
The A7985ATR has 8 pins, each serving specific functions:
1. Pin 1 (VCC): Supply voltage input.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (FREQ): Frequency programming pin.
4. Pin 4 (COMP): Compensation pin for external compensation network.
5. Pin 5 (FB): Feedback voltage input for regulating output voltage.
6. Pin 6 (EN): Enable/disable control for the regulator.
7. Pin 7 (SW): Switch output, connected to the inductor.
8. Pin 8 (BOOT): Bootstrap pin for driving the high-side MOSFET.
The A7985ATR is commonly used in applications requiring efficient step-down conversion with adjustable output voltages and a high level of integration.

Manufacturer

The A7985ATR is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in designing, developing, and manufacturing semiconductor devices, particularly focusing on integrated circuits for motion control and energy-efficient systems. They provide innovative solutions for systems in the automotive, industrial, and consumer markets. Allegro's products often include motor driver ICs, Hall-effect sensor ICs, and power management ICs, among others.

Application

The A7985ATR is a step-down switching regulator, commonly used in power management applications. It is suitable for use in various electronic devices requiring efficient voltage regulation. Key application areas include consumer electronics, telecommunications equipment, and industrial systems where stable and efficient power conversion from higher voltage sources to lower voltage levels is needed. Its compact design and functionality make it ideal for use in portable devices, embedded systems, and any application requiring reliable DC-DC conversion.

Equivalent

The A7985ATR chip is a step-down switching regulator from STMicroelectronics. Equivalent products include the LM2596 from Texas Instruments, the MC34063 from ON Semiconductor, and the MP1584 from Monolithic Power Systems. These alternatives feature similar functionalities, such as adjustable output voltage and current capabilities, suitable for power management applications. Always check the specific datasheets to ensure compatibility with your design requirements.

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