Texas Instruments UCC3921D/81143G4 Hot Swap Controllers
IC HOT SWAP CTRLR GP 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC3921D/81143G4
Detailed Description
IC HOT SWAP CTRLR GP 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UCC3921D/81143G4 Datasheet
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Technical Specifications
Texas Instruments UCC3921D/81143G4 Hot Swap Controllers technical specifications.
General
Number of Channels
1
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
-48V
Lifecycle Status
Obsolete
Features
UVLO
Current Supply
1 mA
Type
Hot Swap Controller
Internal Switch S
No
Related Parts Comparison (UCC3921D/81143G4 vs UCC28C43DGK vs UCC2805N vs UCC28250PW)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-TSSOP | 8-DIP | 20-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 105°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| Supply Voltage | -48V | 7.6V ~ 18V | 3.6V ~ 12V | 12V |
| Lifecycle Status | Obsolete | Active | Last Time Buy | Active |
| Frequency | -- | 1MHz | 1MHz | 1MHz |
| Switching Frequency | -- | Up to 1MHz | 31kHz | 85kHz ~ 1.15MHz |
| Clock Sync | -- | No | No | No |
| Control Features | -- | Frequency Control | Frequency Control | Current Limit, Enable, Frequency Control, Ramp, Soft Start |
| Duty Cycle | -- | 100% | 50% | 100% |
| Fall Time | -- | 20ns | 44ns | 8ns |
| Function | -- | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up/Step-Down |
| Action |
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