| PartNumber | ACT4502YH-T | ACT4501SH-T | ACT4503YH-T |
| Description | Switching Voltage Regulators | Switching Voltage Regulators 40V, 1.25A, 125kHz CV/CC Step-Down Converter | Switching Voltage Regulators 36V, 3.5A, 200kHz Step-Down Converter with OVP |
| Manufacturer | Active-Semi | Active-Semi | Active-Semi |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOP-8 | SOP-8 | SOP-8 |
| Packaging | Reel | Reel | Reel |
| Brand | Active-Semi | Active-Semi | Active-Semi |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 4000 | 4000 | 4000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.030018 oz | 0.030018 oz | 0.030018 oz |
| Output Voltage | - | 12 V | - |
| Output Current | - | 1.25 A | 3.5 A |
| Number of Outputs | - | 1 Output | - |
| Input Voltage MAX | - | 30 V | 36 V |
| Topology | - | Buck | Buck |
| Input Voltage MIN | - | 10 V | 7.5 V |
| Switching Frequency | - | 125 kHz | 200 kHz |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Height | - | 1.75 mm | 1.75 mm |
| Input Voltage | - | 14 V | - |
| Length | - | 5.1 mm | 5.1 mm |
| Operating Temperature Range | - | - 40 C to + 85 C | - |
| Type | - | Step Down DC/DC Converter | Step Down DC/DC Converter |
| Width | - | 4 mm | 4 mm |
| Shutdown | - | Shutdown | - |
| Moisture Sensitive | - | Yes | Yes |
| Operating Supply Current | - | 75 uA | - |
| Supply Voltage Min | - | 10 V | - |