Texas Instruments UCC28C43DR Microcontrollers
1MHz PWM Controller, 20V In, 1A Out, 100% Duty, SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC28C43DR
Base Model
Detailed Description
1MHz PWM Controller, 20V In, 1A Out, 100% Duty, SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UCC28C43DR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC28C43DR Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TJ)
Supply Voltage
7.6V ~ 18V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 1MHz
Number of Outputs
1
Topology
Boost, Flyback, Forward Converter
Alternate Parts Comparison (UCC28C43DR vs UCC28C45DR vs UCC28C43DGK vs UCC28C54DGKR)
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 |
| Operating Temperature | -40°C ~ 105°C (TJ) | -- | -40°C ~ 105°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 7.6V ~ 18V | -- | 7.6V ~ 18V | 30V |
| Switching Frequency | Up to 1MHz | -- | Up to 1MHz | 1MHz |
| RoHS | Yes | Yes | Yes | -- |
| Lifecycle Status | Active | -- | Active | Active |
| Clock Sync | No | -- | No | Yes |
| Control Features | Frequency Control | -- | Frequency Control | Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start |
| Control Mode | Current | Current | Current | -- |
| Duty Cycle Max | 96% | 50 | -- | 50% |
| Gate Drive Typ a | 1 | 1 | 1 | -- |
| Number of Outputs | 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 .
Suggested replacements
UC2843BD1R2GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
Current Mode PWM Controller, SOIC-8, 250kHz, 30V, 1A
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.
UCC28C45DRG4Texas Instruments20V, 1-A, low power 1MHz current mode PWM controller - 8.4V/7.6V UVLO 50% duty cycle, -40C to 105C 8-SOIC -40 to 105
UCC28C41DRTexas Instruments20V, 1-A, low power 1MHz current mode PWM controller - 7V/6.6V UVLO 50% duty cycle, -40C to 105C 8-SOIC -40 to 105
