 |  |  | |
| PartNumber | FAN5903BUCX | FAN5903UCX | FAN5903UCX_NL |
| Description | Switching Voltage Regulators Buck Converter with Bypass Mode | Switching Voltage Regulators Buck Converter 3G/3.5G and 4G PAs | Buck Converter with Bypass Mode for 3G/3.5G/4G Pas |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | WLCSP-9 | WLCSP-12 | - |
| Output Voltage | 400 mV | 400 mV to 3.5 V | - |
| Output Current | 2.4 A | 2.4 A | - |
| Number of Outputs | 1 Output | - | - |
| Input Voltage MAX | 5.5 V | 5.5 V | - |
| Topology | Buck | Buck | - |
| Input Voltage MIN | 2.7 V | - | - |
| Switching Frequency | 6 MHz | 3 MHz, 6 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | FAN5903 | FAN5903 | - |
| Packaging | Reel | Reel | - |
| Function | Buck | - | - |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Product | Voltage Regulators | - | - |
| Type | Buck Converter | Voltage Converter | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Shutdown | Shutdown | - | - |
| Load Regulation | +/- 25 mV | - | - |
| Operating Supply Current | 70 uA | - | - |
| 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 | 2.7 V | - | - |
| Unit Weight | 0.002328 oz | 0.002328 oz | - |