Texas Instruments UCC38C45DR Microcontrollers
20V, 1-A, Low current 1MHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C 8-SOIC 0 to 70
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC38C45DR
Base Model
Detailed Description
20V, 1-A, Low current 1MHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C 8-SOIC 0 to 70
Package
8-SOIC (0.154, 3.90mm Width)
Lifecycle Status
Active
Datasheet
UCC38C45DR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC38C45DR Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Operating Temperature
0°C ~ 70°C (TJ)
Supply Voltage
7.6V ~ 18V
Lifecycle Status
Active
Functions
Step-Up, Step-Up/Step-Down
Topology
Boost, Flyback, Forward Converter
Output Type
Transistor Driver
Number of Outputs
1
Control Features
Frequency Control
Switching Frequency
Up to 1MHz
Alternate Parts Comparison (UCC38C45DR vs UCC38C42DGK vs UCC38C40DGK 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-SOIC | 8-TSSOP | 8-TSSOP | 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 | 7.6V ~ 18V | 9V ~ 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 | 48% | 96% | 96% | 96% |
| 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 |
| Topology | Boost, Flyback, Forward Converter | Boost, Flyback, Forward Converter | Boost, Flyback, Forward Converter | Boost, Flyback, Forward Converter |
| Action |
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