Settings
Fast Delivery
Payment Types
Marketplace Product
UC3843BD1 is out of stock and can be placed on backorder.
Available Substitutes:
Direct
Direct
Direct
Direct
Direct
Upgrade
Upgrade
Upgrade
Upgrade
Upgrade
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
UC3843BD1 | |
|---|---|
DigiKey Part Number | 497-15689-5-ND |
Manufacturer | |
Manufacturer Part Number | UC3843BD1 |
Description | IC REG CTRLR BOOST/FLYBACK 8SO |
Manufacturer Standard Lead Time | 14 Weeks |
Customer Reference | |
Detailed Description | Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC |
Datasheet | Datasheet |
EDA/CAD Models | UC3843BD1 Models |
Product Attributes
Filter Similar Products
Show Empty Attributes
Category | Frequency - Switching Up to 500kHz |
Manufacturer STMicroelectronics | Duty Cycle (Max) 96% |
Packaging Tube | Synchronous Rectifier No |
Part Status Active | Clock Sync No |
Output Type Transistor Driver | Control Features Frequency Control |
Function Step-Up, Step-Up/Step-Down | Operating Temperature 0°C ~ 70°C (TJ) |
Output Configuration Positive, Isolation Capable | Mounting Type Surface Mount |
Topology Boost, Flyback | Package / Case 8-SOIC (0.154", 3.90mm Width) |
Number of Outputs 1 | Supplier Device Package 8-SOIC |
Output Phases 1 | Base Product Number |
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V |
Report Product Information Error
Documents & Media
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (42)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| SG2843DM | Microchip Technology | 0 | SG2843DM-ND | $0.00000 | Upgrade |
| UC2843ADM | Microchip Technology | 0 | UC2843ADM-ND | $0.00000 | Upgrade |
| UC3843D8TR | Texas Instruments | 10,000 | 296-46260-2-ND | $1.17000 | Direct |
| UC3842AD8TRG4 | Texas Instruments | 2,500 | UC3842AD8TRG4-ND | $0.46720 | Direct |
| UC3842AD8TR | Texas Instruments | 0 | 296-41791-2-ND | $0.97000 | Direct |
Show More
In-Stock: 0
100 estimated in stock on 15-Mar-2027
Request Stock Notification
Quantity
All prices are in USD
Tube
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.24000 | $1.24 |
| 10 | $0.90200 | $9.02 |
| 25 | $0.81800 | $20.45 |
| 100 | $0.72590 | $72.59 |
| 300 | $0.67443 | $202.33 |
| 500 | $0.65544 | $327.72 |
| 1,000 | $0.64162 | $641.62 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.
