| PartNumber | SI9117DY-E3 | SI9117DY-T1 | SI9118DY-T1-E3 |
| Description | Switching Voltage Regulators Hi Freq Converter For Telecom App | Switching Voltage Regulators Hi Freq Converter For Telecom App | Switching Controllers Programmable Duty Cycle Controller |
| Manufacturer | Vishay | Vishay | Vishay |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Controllers |
| RoHS | Y | N | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-16 | SOIC-16 | SOIC-16 Narrow |
| Output Voltage | 4 V | 4 V | 11.5 V |
| Output Current | 2.4 mA | 2.4 mA | 500 mA |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Topology | Buck | Buck | Flyback, Forward, Push-Pull |
| Switching Frequency | 1 MHz | 1 MHz | 1 MHz |
| Packaging | Tube | Reel | Reel |
| Product | Voltage Regulators | - | - |
| Type | Step-Down Regulator | Synchronous Step-Down DC/DC Converter | Current Mode PWM Controllers |
| Brand | Vishay / Siliconix | Vishay / Siliconix | Vishay / Siliconix |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Controllers |
| Factory Pack Quantity | 50 | 2500 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.023492 oz | 0.023492 oz | 0.019312 oz |
| Input Voltage MAX | - | 200 V | - |
| Input Voltage MIN | - | 15 V | - |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Duty Cycle Max | - | - | 80 % |
| Fall Time | - | - | 40 ns |
| Operating Supply Current | - | - | 3 mA |
| Operating Supply Voltage | - | - | 10 V to 16.5 V |
| Rise Time | - | - | 40 ns |
| Part # Aliases | - | - | SI9118DY-E3 |