Texas Instruments UCC28781ARTWR AC DC Converters, Offline Switchers
HIGH-DENSITY, ZERO-VOLTAGE SWITC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC28781ARTWR
Detailed Description
HIGH-DENSITY, ZERO-VOLTAGE SWITC
Package
24-WFQFN Exposed Pad
Key Features
Package / Case: 24-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
Datasheet
UCC28781ARTWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC28781ARTWR AC DC Converters, Offline Switchers technical specifications.
General
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Supply Voltage
14V ~ 34V
Switching Frequency
500kHz
Output Isolation
Isolated
Topology
Flyback, Secondary Side SR
Voltage Start Up
500 mV
Fault Protection
Current Limiting, Over Power, Over Temperature, Over Voltage, Short Circuit
Control Features
Soft Start
Alternate Parts Comparison (UCC28781ARTWR vs UCC27201DDAR vs UCC27201ADDAR vs UCC27201DRMT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 8-PowerSOIC | 8-PowerSOIC | 8-VDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 140°C (TJ) | -40°C ~ 140°C (TJ) | -40°C ~ 140°C (TJ) |
| Supply Voltage | 14V ~ 34V | 12V | 12V | 12V |
| Number of Channels | -- | 2 | 2 | 2 |
| Channel Type | -- | Independent | Independent | Independent |
| Current Peak Output Source Sink | -- | 3A, 3A | 3A, 3A | 3A, 3A |
| Driven Configuration | -- | Half-Bridge | Half-Bridge | Half-Bridge |
| Fall Time | -- | 7ns | 7ns | 7ns |
| Gate Type | -- | N-Channel MOSFET | N-Channel MOSFET | N-Channel MOSFET |
| High Side Voltage Max Bootstrap | -- | 120 V | 120 V | 120 V |
| Input Type | -- | Non-Inverting | Non-Inverting | Non-Inverting |
| Action |
More Parts in AC DC Converters and Offline Switchers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.