Texas Instruments UCC28251PWR DC DC Switching Controllers
IC REG CTRLR MULT TOP 20TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC28251PWR
Detailed Description
IC REG CTRLR MULT TOP 20TSSOP
Package
20-TSSOP (0.173", 4.40mm Width)
Key Features
Package / Case: 20-TSSOP (0.173", 4.40mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
UCC28251PWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC28251PWR DC DC Switching Controllers technical specifications.
General
Package / Case
20-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
4.7V ~ 17V
Output Type
PWM Signal
Switching Frequency
42kHz ~ 945kHz
Number of Outputs
2
Topology
Full-Bridge, Half-Bridge, Push-Pull
Control Features
Current Limit, Enable, Frequency Control, Ramp, Soft Start
Output Configuration
Positive
Alternate Parts Comparison (UCC28251PWR vs UCC27201DDAR vs UCC2895PWTR vs UCC2897AMPWREP)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-TSSOP | 8-PowerSOIC | 20-TSSOP | 20-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 140°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 4.7V ~ 17V | 12V | 10V ~ 16.5V | 8.5V ~ 16V |
| Number of Outputs | 2 | 2 | 1 | 1 |
| Switching Frequency | 42kHz ~ 945kHz | -- | 1MHz | 250kHz ~ 1MHz |
| Clock Sync | No | -- | Yes | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -- | Frequency Control, Soft Start, Sync | Current Limit, Enable, On Time Control, Soft Start |
| Output Configuration | Positive | -- | Positive | Positive, Isolation Capable |
| Output Phases | 1 | -- | 1 | 1 |
| Output Type | PWM Signal | -- | PWM | Transistor Driver |
| Topology | Full-Bridge, Half-Bridge, Push-Pull | -- | Phase-Shifted Full-Bridge | Flyback, Forward Converter |
| Action |
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