| PartNumber | L5991AD | L5991AD13TR | L5991A |
| Description | Switching Controllers Prog Current Mode | Switching Controllers Prog Current Mode | Switching Controllers Prog Current Mode |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | Y |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Switching Frequency | 1 MHz | 1000 kHz | 1000 kHz |
| Duty Cycle Max | 100 % | 93 % | 93 % |
| Input Voltage | 2.42 V to 2.58 V | - | - |
| Output Voltage | 5.075 V | 5.075 V | 5.075 V |
| Output Current | 1 A | 1500 mA | 1500 mA |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | SO-16 | SO-16 | PDIP-16 |
| Packaging | Tube | Reel | Tube |
| Product | Voltage Controllers | - | - |
| Series | L5991 | L5991 | L5991 |
| Type | Primary Controller With Standby | Current Mode PWM Controllers | Current Mode PWM Controllers |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Factory Pack Quantity | 1000 | 2500 | 1000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.007079 oz | 0.007079 oz | 0.057419 oz |
| Topology | - | Boost, Flyback | Boost, Flyback |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 150 C | + 150 C |
| Fall Time | - | 35 ns | 35 ns |
| Operating Supply Voltage | - | 12 V to 20 V | 12 V to 20 V |
| Rise Time | - | 70 ns | 70 ns |