Texas Instruments UC3843DG4 DC DC Switching Controllers
IC REG CTRLR MULT TOP 14SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3843DG4
Detailed Description
IC REG CTRLR MULT TOP 14SOIC
Package
14-SOIC (0.154", 3.90mm Width)
Key Features
Package: 14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3843DG4 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC3843DG4 DC DC Switching Controllers technical specifications.
General
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
12V ~ 28V
Package
14-SOIC (0.154", 3.90mm Width)
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Buck, Buck-Boost, Flyback, Forward
Control Features
Frequency Control
Alternate Parts Comparison (UC3843DG4 vs UC2845ADTR vs UC3844ADTRG4 vs UC3844ADTR)
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 | 14-SOIC | 14-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 12V ~ 28V | 7.6V ~ 30V | 10V ~ 30V | 10V ~ 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 | 97% | 48% | 48% | 48% |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, 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 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Phases | 1 | 1 | 1 | 1 |
| Action |
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