For Reference Only
| Part Number | UC3843DR-8 |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) › DC DC Switching Controllers |
| Description | SWITCHING CONTROLLER |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | UC3843DR-8 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 09 - Dec 13 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | UC3843DR-8 |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | DC DC Switching Controllers |
| Manufacturer: | Texas Instruments |
| Product Status: | Active |
| Output Type: | Transistor Driver |
| Function: | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration: | Positive, Isolation Capable |
| Topology: | Boost, Buck, Buck-Boost, Flyback, Forward |
| Number of Outputs: | 1 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | - |
| Frequency - Switching: | Up to 500kHz |
| Duty Cycle (Max): | 97% |
| Synchronous Rectifier: | No |
| Clock Sync: | No |
| Serial Interfaces: | - |
| Control Features: | Frequency Control |
| Operating Temperature: | 0°C ~ 70°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| LTC7852ERHE#TRPBF | 6-PHASE BUCK CONTROLLER DRIVES D | 25164 More on Order |
|
| MCP1631VHV-330E/SS | IC REG CTRLR SEPIC 20SSOP | 67965 More on Order |
|
| LTC3862HFE-1#PBF | IC REG CTRLR BOOST/SEPIC 24TSSOP | 9660 More on Order |
|
| S-8533A18AFT-TB-G | IC REG CTRLR BUCK 8TSSOP | 66057 More on Order |
|
| MAX5022EUT+T | IC REG CTRLR MULT TOP SOT23-6 | 66256 More on Order |
|
| S-8521D20MC-BXFT2G | IC REG CTRLR BUCK SOT23-5 | 94842 More on Order |
|
| S-8333AAGA-T8T1G | IC REG CTRLR BOOST 8TSSOP | 46880 More on Order |
|
| ADP3161JR | 4-BIT PROG BUCK CONTROLLER | 80154 More on Order |
|
| S-8337ABCC-P8T1G | IC REG CTRLR BOOST 8SON | 40867 More on Order |
|
| R1225N302J-TR-FE | 18.5V INPUT PWM/VFM STEP-DOWN DC | 75515 More on Order |
|
| FAN5066MTCX | SWITCHING CONTROLLER | 75794 More on Order |
|
| S-8337AAEB-P8T1G | IC REG CTRLR BOOST 8SON | 79364 More on Order |
| In Stock | 54496 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.57000 | $0.57 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.