| PartNumber | S-8521B15MC-ATAT2U | S-8521B18MC-ATDT2G | S-8521B15MC-ATAT2G |
| Description | Switching Controllers Step Down SWR PWM/ PFM 180kHz 60uA Iq | Switching Controllers SWITCHING REGULATOR | Switching Controllers Step Down SWR PWM/ PFM 180kHz 60uA Iq |
| Manufacturer | ABLIC | ABLIC | SII Semiconductor USA Corporation |
| Product Category | Switching Controllers | Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | Y | - |
| Number of Outputs | 1 Output | 1 Output | 1 |
| Input Voltage | 2.5 V to 16 V | 2.5 V to 16 V | - |
| Output Voltage | 1.5 V | 1.8 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-23-5 | SOT-23-5 | - |
| Packaging | Reel | Reel | Tape & Reel (TR) |
| Brand | ABLIC | ABLIC | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.000282 oz | 0.001058 oz | - |
| Switching Frequency | - | 180 kHz | - |
| Duty Cycle Max | - | 100 % | - |
| Output Current | - | 8.4 mA | - |
| Series | - | - | - |
| Package Case | - | - | SC-74A, SOT-753 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | SOT-23-5 |
| Topology | - | - | Buck |
| Voltage Supply Vcc Vdd | - | - | 2.5 V ~ 16 V |
| Frequency Switching | - | - | 180kHz |
| Control Features | - | - | Enable |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 1 |
| Duty Cycle Max | - | - | 1 |
| Synchronous Rectifier | - | - | No |
| Clock Sync | - | - | No |
| Serial Interfaces | - | - | - |