UC3845BD1G is Obsolete and no longer manufactured.
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onsemi
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Texas Instruments
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Texas Instruments
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Texas Instruments
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Texas Instruments
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Texas Instruments
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STMicroelectronics
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Texas Instruments
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Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

UC3845BD1G

DigiKey Part Number
UC3845BD1GOS-ND
Manufacturer
Manufacturer Product Number
UC3845BD1G
Description
IC REG CTRLR BOOST/FLYBACK 8SOIC
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
UC3845BD1G Models
Product Attributes
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Category
Frequency - Switching
Up to 500kHz
Manufacturer
onsemi
Duty Cycle (Max)
48%
Packaging
Tube
Synchronous Rectifier
No
Part Status
Obsolete
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
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (20)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UC3845BD1R2Gonsemi1,069UC3845BD1R2GOSCT-NDFr.0.52000MFR Recommended
UC3844AD8Texas Instruments1,876296-11290-5-NDFr.1.15000Direct
UC3844AD8TRTexas Instruments4,805296-39523-1-NDFr.0.76000Direct
UC3844BD1013TRSTMicroelectronics348497-3682-1-NDFr.0.74000Direct
UC3844D8Texas Instruments0296-11293-5-NDFr.0.68380Direct
Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types