Texas Instruments UCC3921NG4 Hot Swap Controllers
IC HOT SWAP CTRLR GP 8DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC3921NG4
Detailed Description
IC HOT SWAP CTRLR GP 8DIP
Package
8-DIP (0.300", 7.62mm)
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UCC3921NG4 Datasheet
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Technical Specifications
Texas Instruments UCC3921NG4 Hot Swap Controllers technical specifications.
General
Number of Channels
1
Package / Case
8-DIP
Mounting Type
Through Hole
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
Alternate Parts Comparison (UCC3921NG4 vs UCC2897APW vs UCC28C43DGK vs UCC2805N)
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-DIP | 20-TSSOP | 8-TSSOP | 8-DIP |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Through Hole |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 125°C (TJ) | -40°C ~ 105°C (TJ) | -40°C ~ 85°C (TA) |
| Supply Voltage | -48V | 12V | 7.6V ~ 18V | 3.6V ~ 12V |
| Lifecycle Status | Obsolete | Active | Active | Last Time Buy |
| Frequency | -- | 1MHz | 1MHz | 1MHz |
| Switching Frequency | -- | 250kHz | Up to 1MHz | 31kHz |
| Clock Sync | -- | Yes | No | No |
| Control Features | -- | Current Limit, Enable, Soft Start | Frequency Control | Frequency Control |
| Duty Cycle | -- | 74% | 100% | 50% |
| Fall Time | -- | 14ns | 20ns | 44ns |
| Function | -- | Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Action |
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
