Texas Instruments UCC38C42DGK Microcontrollers
20V, 1-A, Low current 1MHz current mode PWM controller with 14.5V/9V UVLO 100% duty cycle, 0C to 70C 8-VSSOP 0 to 70
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC38C42DGK
Base Model
Detailed Description
20V, 1-A, Low current 1MHz current mode PWM controller with 14.5V/9V UVLO 100% duty cycle, 0C to 70C 8-VSSOP 0 to 70
Package
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Lifecycle Status
Active
Datasheet
UCC38C42DGK Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC38C42DGK Microcontrollers technical specifications.
General
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TJ)
Supply Voltage
9V ~ 18V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 1MHz
Number of Outputs
1
Topology
Boost, Flyback, Forward Converter
Control Features
Frequency Control
Alternate Parts Comparison (UCC38C42DGK vs UCC38C43DGKRG4 vs UCC38C41DRG4 vs UCC38C40DR)
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-TSSOP | 8-TSSOP | 8-SOIC | 8-SOIC |
| Operating Temperature | 0°C ~ 70°C (TJ) | 0°C ~ 70°C (TJ) | 0°C ~ 70°C (TJ) | 0°C ~ 70°C (TJ) |
| Supply Voltage | 9V ~ 18V | 7.6V ~ 18V | 6.6V ~ 18V | 6.6V ~ 18V |
| Switching Frequency | Up to 1MHz | Up to 1MHz | Up to 1MHz | Up to 1MHz |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 96% | 96% | 48% | 96% |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 1 | 1 | 1 | 1 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Synchronous Rectifier | No | No | No | No |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
UCC38C43DGKRG4Texas Instruments20V, 1-A, Low current 1MHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0C to 70C 8-VSSOP 0 to 70
UCC38C44DGKRTexas Instruments20V, 1-A, Low current 1MHz current mode PWM controller with 14.5V/9V UVLO 50% duty cycle, 0C to 70C 8-VSSOP 0 to 70
UCC38C45DGKRTexas Instruments20V, 1-A, Low current 1MHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C 8-VSSOP 0 to 70
UCC38C41DRG4Texas InstrumentsCommercial, 20-V, low-power current-mode PWM controller, 7-V/6.6-V UVLO, 50% duty cycle