Texas Instruments UC3849QTR Power Supply Controllers, Monitors
IC SECONDARY SIDE CTRLR 28PLCC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3849QTR
Detailed Description
IC SECONDARY SIDE CTRLR 28PLCC
Package
28-LCC (J-Lead)
Key Features
Package / Case: 28-LCC (J-Lead); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UC3849QTR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC3849QTR Power Supply Controllers, Monitors technical specifications.
General
Package / Case
28-LCC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
8V ~ 20V
Lifecycle Status
Obsolete
Current Supply
21 mA
Applications
Secondary-Side Controller
Alternate Parts Comparison (UC3849QTR 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 | 28-LCC | 20-TSSOP | 8-TSSOP | 8-DIP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 105°C (TJ) | -40°C ~ 85°C (TA) |
| Supply Voltage | 8V ~ 20V | 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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