onsemi UC3843BD1 Microcontrollers
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3843BD1
Base Model
Detailed Description
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Obsolete
Datasheet
UC3843BD1 Datasheet
Quick Jump:
Technical Specifications
onsemi UC3843BD1 Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Obsolete
Switching Frequency
Up to 500kHz
Duty Cycle Max
96%
Synchronous Rectifier
No
Clock Sync
No
Output Type
Transistor Driver
Alternate Parts Comparison (UC3843BD1 vs UC3843BD1 vs UC3843BD1013TR vs UC3845BVDR2G)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TJ) | 0°C ~ 70°C (TJ) | -40°C ~ 105°C (TA) |
| Supply Voltage | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 96% | 96% | 96% | 48% |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Phases | 1 | 1 | 1 | 1 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Action |
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