| Voltage - Supply (Vcc/Vdd) | 7.5 V ~ 20 V |
| Topology | Buck |
| Synchronous Rectifier | Yes |
| Supplier Device Package | 28-HTSSOP-B |
| Series | - |
| Serial Interfaces | - |
| Packaging | Tape & Reel (TR) |
| Package / Case | 28-VSSOP (0.173", 4.40mm Width) |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Output Configuration | Positive |
| Other Names | BD9540EFVE2 |
| Operating Temperature | -20°C ~ 100°C (TA) |
| Number of Outputs | 2 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Manufacturer Standard Lead Time | 10 Weeks |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Function | Step-Down |
| Frequency - Switching | - |
| Duty Cycle (Max) | - |
| Detailed Description | Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-HTSSOP-B |
| Control Features | Current Limit, Enable |
| Clock Sync | No |
| Base Part Number | BD9540 |