The A5973AD is a AEC-Q100 qualified 1.5A step down switching regulator, operating input voltage range from 4V to 36V, output voltage adjustable from 1.235V to VIN.
The A5973AD is a monolithic step-down switching regulator qualified for automotive applications (AEC-Q100). It is designed to deliver up to 1.5A of DC output current with an operating input voltage range from 4V to 36V, making it suitable for cold crank conditions. The device features an internally fixed 500kHz switching frequency and includes protection mechanisms such as thermal shutdown, internal current limiting, and feedback disconnection protection.
| Output current | Up to 1.5 A |
|---|---|
| Input voltage range | 4 V to 36 V |
| Switching frequency | 500 kHz |
| Output voltage range | 1.235 V to Vin |
| Operating junction temperature | -40 to 150 °C |
| Efficiency | 90 % |
The device has a minimum input voltage of 4 V, allowing operation in cold crank conditions.
Yes, it is qualified following the AEC-Q100 requirements.
The device is able to deliver up to 1.54 A DC current to the load depending on application conditions.