Texas Instruments UC3842AD8TRG4 Microcontrollers
30-V, 1A, 500KHz current mode PWM controller with 16V/10V 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)
UC3842AD8TRG4
Base Model
Detailed Description
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, 0°C to 70°C 8-SOIC 0 to 70
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3842AD8TRG4 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC3842AD8TRG4 Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
10V ~ 30V
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Buck, Flyback, Forward
Control Features
Frequency Control
Output Configuration
Positive, Isolation Capable
Alternate Parts Comparison (UC3842AD8TRG4 vs UC3842ADW vs UC3842AD8G4 vs UC3842ADTR)
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 | 14-SOIC |
| Operating Temperature | 0°C ~ 70°C (TA) | -- | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 10V ~ 30V | -- | 10V ~ 30V | 10V ~ 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% |
| Output Configuration | Positive, Isolation Capable | -- | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Phases | 1 | -- | 1 | 1 |
| Output Type | Transistor Driver | -- | Transistor Driver | Transistor Driver |
| Synchronous Rectifier | No | -- | No | No |
| Topology | Boost, Buck, Flyback, Forward | -- | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward |
| Action |
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