| PartNumber | UC2843ANG4 | UC2843AQ | UC2843AQD |
| Description | Switching Controllers Current-Mode PWM Controller | Switching Controllers Current Mode PWM | Switching Controllers Auto Cat Crrnt-Mode |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | Y |
| Topology | Boost, Flyback, Forward | Boost, Flyback, Forward | Boost, Flyback |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Switching Frequency | 450 kHz | 450 kHz | 500 kHz |
| Duty Cycle Max | 100 % | 100 % | 100 % |
| Output Current | 1 A | 1 A | 1000 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 125 C |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-8 | PLCC-20 | SOIC-14 |
| Packaging | Tube | Tube | Tube |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Series | UC2843A | UC2843A | UC2843AQ |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | Current Mode PWM Controllers |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Fall Time | 50 ns | 50 ns | 50 ns |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Rise Time | 50 ns | 50 ns | 50 ns |
| Factory Pack Quantity | 50 | 46 | 50 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.018646 oz | 0.025468 oz | 0.005136 oz |
| Moisture Sensitive | - | Yes | - |
| Operating Supply Voltage | - | 30 V | - |