| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage - Input (Min) | 2.3V |
| Voltage - Input (Max) | 5.5V |
| Topology | Buck |
| Synchronous Rectifier | Yes |
| Supplier Device Package | 6-WLCSP |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Package / Case | 6-XFBGA, WLCSP |
| Output Type | Fixed |
| Output Configuration | Positive |
| Other Names | BU90004GWZ-E2TR
BU90004GWZE2 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Number of Outputs | 1 |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Manufacturer Standard Lead Time | 13 Weeks |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Function | Step-Down |
| Frequency - Switching | 5.4MHz |
| Detailed Description | Buck Switching Regulator IC Positive Fixed 1.8V 1 Output 1A 6-XFBGA, WLCSP |
| Current - Output | 1A |
| Base Part Number | BU9000* |