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| PartNumber | FAN53555BUC08X | FAN53555BUC05X | FAN53555 |
| Description | Switching Voltage Regulators 5A, 2.4MHZ DIGTLY PRGRMMABLE REGULATOR | Switching Voltage Regulators 5A, 2.4MHZ DIGTLY PRGRMMABLE REGULATOR | |
| Manufacturer | ON Semiconductor | ON Semiconductor | Fairchild Semiconductor |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | WLCSP-20 | WLCSP-20 | - |
| Output Voltage | 1.02 V, 1.15 V | 0.6 V to 1.23 V | - |
| Output Current | 5 A | 5 A | - |
| Number of Outputs | 2 Output | 1 Output | 1 |
| Input Voltage MAX | 5.5 V | 5.5 V | - |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 2.5 V | 2.5 V | - |
| Switching Frequency | 2.4 MHz | 2.4 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | FAN53555 | FAN53555 | TinyBuckR |
| Packaging | Reel | Reel | Digi-ReelR Alternate Packaging |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Type | Buck Regulator | Digitally Programmable Regulator | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Shutdown | Shutdown | Shutdown | - |
| Operating Supply Current | 43 mA | - | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 2.5 V | 2.5 V | - |
| Unit Weight | 0.002575 oz | 0.002575 oz | - |
| Input Voltage | - | 2.5 V to 5.5 V | - |
| Product | - | Voltage Regulators | - |
| Load Regulation | - | - 0.1 %/A | - |
| Package Case | - | - | 20-UFBGA, WLCSP |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | Programmable |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | 20-WLCSP |
| Frequency Switching | - | - | 2.4MHz |
| Current Output | - | - | 5A |
| Output Configuration | - | - | Positive |
| Voltage Output Min Fixed | - | - | 0.6V |
| Voltage Output Max | - | - | 1.23V |
| Synchronous Rectifier | - | - | Yes |
| Voltage Input Min | - | - | 2.5V |
| Voltage Input Max | - | - | 5.5V |