Mingjiada Electronics, as a leading supplier of electronic components, now offers the ST step-down regulator (A7986ATR) – a 3A step-down switching regulator from STMicroelectronics, specifically designed for automotive applications. With its outstanding performance and high reliability, the A7986ATR regulator serves as an ideal power management solution for automotive electronic systems.
A7986ATR Product Description
The A7986ATR is a highly efficient buck switching regulator integrating a power MOSFET with a 3.7A current limit, capable of delivering up to 3A to the load depending on application conditions. Featuring a wide input voltage range (4.5V to 38V) and a broad output voltage range (0.6V to 38V), this device meets the power requirements of diverse automotive electronic systems.
The A7986ATR is housed in an 8-SOIC package with a exposed pad, offering excellent thermal performance. Operating at a switching frequency of 250kHz, this regulator can be externally adjusted up to 1MHz, providing design flexibility for diverse automotive applications.
Key Features of the A7986ATR
Wide input voltage range: 4.5V to 38V
Adjustable output voltage: 0.6V to 38V
High output current: 3A
Internal soft-start and enable functionality
Voltage feedforward
Overcurrent and thermal protection
100% duty cycle low dropout operation
Operating junction temperature range: -40°C to 150°C
This A7986ATR regulator operates under zero load current conditions and incorporates comprehensive protection features to ensure stable operation in harsh automotive environments.
A7986ATR Technical Specifications
Topology: Boost, Buck
Output Voltage: 850 mV to 38 V
Output Current: 2 A
Number of Outputs: 1 Output
Input Voltage - Minimum: 4 V
Input Voltage - Maximum: 38 V
Quiescent Current: 2.4 mA
Switching Frequency: 250 kHz to 2 MHz
Minimum Operating Temperature: -40°C
Maximum Operating Temperature: +150°C
Qualification: AEC-Q100
Series: A7986A
Operating Supply Current: 2.4 mA
Supply Voltage - Minimum: 4.5 V
A7986ATR Automotive Applications
As an automotive-grade regulator, the A7986ATR is suitable for diverse automotive electronic systems:
Central gateways/in-vehicle networks
Infotainment and instrument clusters
Navigation and controllers
Body electronic control systems
Advanced Driver Assistance Systems (ADAS)
This A7986ATR device complies with automotive application standards, ensuring stable operation in high-temperature environments and meeting the stringent reliability requirements of automotive electronics.
Figure 1. A7986ATR Application Circuit
Figure 2. A7986ATR Pin Connection (Top View)
Advantages of Mingjiada
Selecting the A7986ATR supplied by Mingjiada offers the following benefits:
Genuine Products: All A7986ATR units supplied by Mingjiada are brand-new, original products, ensuring reliable quality.
Ample Stock: With an inventory of 2000 units, we can fulfil your bulk procurement requirements.
Expert Service: Mingjiada's specialised technical team provides comprehensive technical support and after-sales service.
For further details regarding pricing, stock availability, or product specifications of the A7986ATR, please contact Mingjiada Electronics' sales team. We are committed to delivering professional service for your A7986ATR requirements.
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