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UC3843BD1G is out of stock and can be placed on backorder.
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UC3843BD1G | |
|---|---|
DigiKey Part Number | UC3843BD1GOS-ND |
Manufacturer | |
Manufacturer Part Number | UC3843BD1G |
Description | IC REG CTRLR FLYBACK 8SOIC |
Manufacturer Standard Lead Time | 13 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 | UC3843BD1G Models |
Product Attributes
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Category | Frequency - Switching Up to 500kHz |
Manufacturer onsemi | 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 (TA) |
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 |
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Substitutes (37)
| 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 |
| MIC38HC43YM | Microchip Technology | 0 | 576-3373-5-ND | $1.90000 | Similar |
| MIC38HC43YM-TR | Microchip Technology | 0 | 576-1169-2-ND | $1.90000 | Similar |
| UC3843D8TR | Texas Instruments | 10,000 | 296-46260-2-ND | $1.17000 | Direct |
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Available To Order
Factory Stock: 686
98 estimated in stock on 27-Nov-2026
This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.
Quantity
All prices are in USD
Tube
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $0.74000 | $0.74 |
| 10 | $0.65200 | $6.52 |
| 98 | $0.46429 | $45.50 |
| 294 | $0.39510 | $116.16 |
| 588 | $0.37536 | $220.71 |
| 1,078 | $0.28646 | $308.80 |
| 2,548 | $0.26670 | $679.55 |
| 5,096 | $0.25682 | $1,308.75 |
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.
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