Texas Instruments UCC38C42DGKR DC DC Switching Controllers
Commercial, 20-V, low-power current-mode PWM controller, 14.5-V/9-V UVLO, 100% duty cycle
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC38C42DGKR
Detailed Description
Commercial, 20-V, low-power current-mode PWM controller, 14.5-V/9-V UVLO, 100% duty cycle
Package
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Key Features
Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
UCC38C42DGKR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC38C42DGKR DC DC Switching Controllers 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
Functions
Step-Up, Step-Up/Step-Down
Switching Frequency
Up to 1MHz
Number of Outputs
1
Topology
Boost, Flyback, Forward Converter
Alternate Parts Comparison (UCC38C42DGKR vs UCC28C44DGKR vs UCC28C40DGK vs UCC28C45DGKR)
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-TSSOP | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TJ) | -40°C ~ 105°C (TJ) | -40°C ~ 105°C (TJ) | -40°C ~ 105°C (TJ) |
| Supply Voltage | 9V ~ 18V | 9V ~ 18V | 6.6V ~ 18V | 7.6V ~ 18V |
| Switching Frequency | Up to 1MHz | Up to 1MHz | Up to 1MHz | Up to 1MHz |
| Lifecycle Status | Active | Active | Active | Active |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 96% | 48% | 96% | 48% |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 1 | 1 | 1 | 1 |
| 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 .
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