| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2,076 pcs
|
2076 pcs | On Request | 1 | On Request | On Request | 24+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Function | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Output Configuration | |
| Output Type | |
| Supplier Device Package | |
| Synchronous Rectifier | |
| Topology |
The Allegro MicroSystems A4490EEST is a versatile step-down (buck) switching regulator designed for power management applications. This integrated circuit features three positive, adjustable outputs, allowing for flexible voltage regulation.
Key electrical specifications include a wide input voltage range from 4.5V to 34V, with adjustable output voltages ranging from a minimum of 0.8V up to 30.6V. The device operates at a switching frequency of 550kHz, enabling efficient power conversion. It is designed for surface mount applications and comes in a 20-WFQFN Exposed Pad package.
The operating temperature range for the A4490EEST is -40°C to 85°C (TA), making it suitable for various environmental conditions. Its non-synchronous rectifier design and adjustable output capabilities make it a useful component for power supply designs requiring specific voltage configurations.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.93 | $1.93 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 4.5V to 34V.
The output voltage is adjustable from 0.8V to 30.6V.
The A4490EEST has 3 outputs.
The switching frequency is 550kHz.
The operating temperature range is -40°C to 85°C (TA).
The A4490EEST is in a 20-WFQFN Exposed Pad package.
No, the A4490EEST does not have a synchronous rectifier.