Texas Instruments UC3845ADWTR DC DC Switching Controllers
IC REG CTRLR MULT TOP 16SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3845ADWTR
Detailed Description
IC REG CTRLR MULT TOP 16SOIC
Package
16-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 16-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UC3845ADWTR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC3845ADWTR DC DC Switching Controllers technical specifications.
General
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Buck, Flyback, Forward
Control Features
Frequency Control
Output Configuration
Positive, Isolation Capable
Alternate Parts Comparison (UC3845ADWTR vs UC28025DWG4 vs UC3863DW vs UC3846DWTRG4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 105°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 7.6V ~ 30V | 9V ~ 30V | 7V ~ 22V | 6.95V ~ 40V |
| Switching Frequency | Up to 500kHz | 340kHz ~ 460kHz | 50kHz ~ 500kHz | 500kHz |
| Clock Sync | No | No | No | Yes |
| Control Features | Frequency Control | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Soft Start | Current Limit, Enable, Frequency Control, Soft Start |
| Duty Cycle Max | 48% | 45% | 100% | 50% |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Number of Outputs | 1 | 2 | 2 | 2 |
| Output Configuration | Positive, Isolation Capable | Positive | Positive | Positive |
| Output Phases | 1 | 2 | 1 | 1 |
| Action |
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