Texas Instruments UC3843AD8TR Microcontrollers
30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C 8-SOIC 0 to 70

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3843AD8TR
Base Model
Detailed Description
30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C 8-SOIC 0 to 70
Lifecycle Status
Active
Datasheet
UC3843AD8TR Datasheet
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Alternate Parts Comparison (UC3843AD8TR vs UC3843AD vs UC3843AD8G4 vs UC3843AD8TRG4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | -- | 14-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | -- | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Switching Frequency | -- | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Clock Sync | -- | No | No | No |
| Control Features | -- | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | -- | 96% | 96% | 96% |
| Function | -- | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
| Number of Outputs | -- | 1 | 1 | 1 |
| Output Configuration | -- | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Phases | -- | 1 | 1 | 1 |
| Action |
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