Texas Instruments UC2845AQD8R DC DC Switching Controllers
IC REG CTRLR MULT TOPOLOGY 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC2845AQD8R
Detailed Description
IC REG CTRLR MULT TOPOLOGY 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
UC2845AQD8R Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC2845AQD8R DC DC Switching Controllers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Buck, Flyback, Forward
Alternate Parts Comparison (UC2845AQD8R vs UC3843AD8G4 vs UC2843AQD8R vs UC2843D8)
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-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | 0°C ~ 70°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 12V ~ 28V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Lifecycle Status | Active | Active | Active | Active |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 48% | 96% | 96% | 97% |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up | Step-Up, Step-Down, Step-Up/Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
UC2845BD1R2GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
High Performance Current Mode PWM Controller, SOIC-8 Narrow Body, 2500-REEL
More Parts in DC DC Switching Controllers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.