Datasheet Details
| Part number | SY8859 |
|---|---|
| Manufacturer | Silergy |
| File Size | 240.83 KB |
| Description | Synchronous Step Down Regulator |
| Datasheet |
 SY8859 Datasheet
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General Description
SY8859 is a high efficient 1.0MHz synchronous step down DC/DC regulator capable of delivering up to 3A output current.
The SY8859 can operate over a wide input voltage range from 2.7V to 5.5V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.
Key Features
- Low RDS(ON) for Internal Switches (Top/Bottom) 85mΩ /50mΩ.
- 2.7~5.5V Input Voltage Range.
- 55µA Low Quiescent Current.
- Ultra Fast Load Transient Speed.
- High Switching Frequency 1.0MHz Minimizes the External Components.
- Internal Soft-start Limits the Inrush Current.
- Reliable Short Circuit Protection.
- Output Auto Discharge Function.
- RoHS Compliant and Halogen Free.
- Compact Package: QFN1.5×1.5-7.