For Reference Only
| Part Number | UC3843N |
| LIXINC Part # | UC3843N |
| Manufacturer | Rochester Electronics |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Controllers |
| Description | SWITCHING CONTROLLER |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | UC3843N PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 25 - Jan 29 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | UC3843N |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Manufacturer: | Rochester Electronics |
| Series: | - |
| Package: | Tube |
| Part Status: | Obsolete |
| 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): | 7.6V ~ 30V |
| 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: | Through Hole |
| Package / Case: | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 8-DIP |
| S-8521B40MC-ATZT2G | IC REG CTRLR BUCK SOT23-5 | 887 More on Order |
|
| TPS40021PWP | IC REG CTRLR BUCK 16HTSSOP | 948 More on Order |
|
| EL7512CYZ-T7 | SWITCHING REGLTR, VOLTAGE-MODE | 5491 More on Order |
|
| S-8358H30MC-NUPT2U | IC REG CTRLR BOOST SOT23-5 | 849 More on Order |
|
| XC9302A403MR-G | STEP-UP & STEP-DOWN 300KHZ DCDC | 932 More on Order |
|
| LM5119PSQ/NOPB | IC REG CTRLR BUCK 32WQFN | 1763 More on Order |
|
| LTC3822EGN-1#PBF | IC REG CTRLR BUCK 16SSOP | 1021 More on Order |
|
| S-8338ACDC-P8T1G | IC REG CTRLR BOOST 8SON | 812 More on Order |
|
| MIC2130-4YML-TR | IC REG CTRLR BUCK 16MLF | 888 More on Order |
|
| LTC3811EUHF#PBF | IC REG CTRLR BUCK 38QFN | 1166 More on Order |
|
| R1224N332F-TR-FE | 18.5V INPUT PWM/VFM STEP-DOWN DC | 901 More on Order |
|
| LTC3874EUFD#TRPBF | IC REG CTRLR BUCK 28QFN | 850 More on Order |
|
| S-8355K30MC-NAPT2U | IC REG CTRLR BOOST SOT23-5 | 806 More on Order |
| In Stock | 14374 - 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 | $0.70000 | $0.7 |
| 10 | $0.62465 | $6.2465 |
| 50 | $0.59299 | $29.6495 |
| 100 | $0.48710 | $48.71 |
| 500 | $0.40239 | $201.195 |
| 1000 | $0.31768 | $317.68 |
| 2500 | $0.29650 | $741.25 |
| 5000 | $0.28167 | $1408.35 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.