A7986A +BOM

Description

The A7986A is a high-performance, adjustable buck regulator IC from STMicroelectronics. It features pulse-width modulation control, frequency programmability up to 1MHz, and safe operating area monitoring. This fully integrated solution offers a wide input voltage range, programmable frequency option, and high-side current sensing. Key benefits include low dropout voltage capability, adjustable output voltage range, fault-tolerant operation, and internal thermal shutdown protection. The A7986A also features overcurrent protection mechanism, rapid start-up time, and compact package design. This IC is suitable for various applications that require precision voltage regulation, high efficiency performance, and reliable operation in harsh environments. It is AEC-Q100 qualified and has a silicon-based construction for added reliability.

Features

According to the product information, the features of the A7986A IC REG BUCK ADJ 3A 8HSOP are:

• Pulse-width modulation control
• Frequency programmability up to 1MHz
• Safe operating area monitoring
• Zero-load current operation mode
• Soft-start and enable features
• Low dropout voltage capability
• Adjustable output voltage range
• Fault-tolerant operation
• Fully integrated solution
• Wide input voltage range
• Programmable frequency option
• High-side current sensing
• Internal thermal shutdown protection
• Low noise and ripple performance
• Precision voltage regulation
• AEC-Q100 qualified and reliable
• High efficiency performance
• Dual-mode operation capability
• Silicon-based construction
• Compact package design
• Overcurrent protection mechanism
• Thermal shutdown detection
• Rapid start-up time

Package

The package type of A7986A is 8-SOIC (0.154", 3.90mm Width) Exposed Pad.

Pinout

According to STMicroelectronics' documentation, the A7986A has an 8-pin SOIC package with an exposed pad. The pinout and functions are as follows:

• Pin 1: EN (Enable input)
• Pin 2: SS (Soft-start input)
• Pin 3: VOUT (Output voltage)
• Pin 4: FB (Feedback input)
• Pin 5: COMP (Compensation input)
• Pin 6: SENSE (High-side current sensing input)
• Pin 7: GND (Ground)
• Pin 8: EXPOSED PAD (Thermal and electrical connection)

The A7986A is a buck regulator IC with adjustable output voltage, pulse-width modulation control, and frequency programmability up to 1MHz. It features soft-start and enable functions, low dropout voltage capability, and fault-tolerant operation.

Manufacturer

The manufacturer of the A7986A is STMicroelectronics, a leading global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products.

Applications

Based on the product features, I would say that the A7986A IC REG BUCK ADJ 3A 8HSOP from STMicroelectronics is suitable for applications requiring high-efficiency power conversion, such as:

• Automotive systems (qualified to AEC-Q100)
• Industrial control and automation
• Medical devices
• Consumer electronics

The device's features like pulse-width modulation, frequency programmability, and fault-tolerant operation make it a good fit for applications that require reliable and efficient power management.

Equivalent

Based on the features and specifications, equivalent products to A7986A could be:

• Texas Instruments TPS543B12
• ON Semiconductor NCP1402
• Analog Devices ADP8860
• Maxim Integrated MAX1774

These products share similar characteristics such as pulse-width modulation control, frequency programmability, and adjustable output voltage range. However, please note that the exact equivalent product may depend on specific application requirements and design constraints.