The A7986A is ST's 3 A step-down switching regulator, qualified following AEC-Q100 requirements, dedicated to automotive applications. Input voltage range is 4.5V to 38V, output voltage can be adjusted from 0.6V to VIN.
The A7986A is a step-down switching regulator designed specifically for automotive applications, featuring a 3.7 A minimum current limited embedded power MOSFET. It operates with an input voltage range of 4.5 V to 38 V and allows the output voltage to be adjustable from 0.6 V up to the input voltage. The device includes an internal oscillator with a default switching frequency of 250 kHz, which can be externally adjusted up to 1 MHz via the FSW pin.
| Output current | 3 A |
|---|---|
| Input voltage range | 4.5 V to 38 V |
| Output voltage range | 0.6 V to Vin |
| Switching frequency | 250 kHz to 1 MHz |
| Package type | HSOP8 |
| Thermal resistance (junction-to-ambient) | 40 °C/W |
| Maximum limiting current | 3.7 A |
The device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.
Yes, the device is qualified following AEC-Q100 requirements and is dedicated to automotive applications.
The output voltage is adjustable starting from 0.6 V.