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Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-Mini DIP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

UC3845BN

DigiKey Part Number
497-14808-5-ND
Manufacturer
Manufacturer Product Number
UC3845BN
Description
IC REG CTRLR BOOST/FLYBACK 8DIP
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-Mini DIP
Datasheet
 Datasheet
EDA/CAD Models
UC3845BN Models
Product Attributes
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Category
Frequency - Switching
Up to 500kHz
Manufacturer
STMicroelectronics
Duty Cycle (Max)
48%
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
-40°C ~ 150°C (TJ)
Output Configuration
Positive, Isolation Capable
Mounting Type
Through Hole
Topology
Boost, Flyback
Package / Case
8-DIP (0.300", 7.62mm)
Number of Outputs
1
Supplier Device Package
8-Mini DIP
Output Phases
1
Base Product Number
Voltage - Supply (Vcc/Vdd)
7.6V ~ 30V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (15)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SG3845MMicrochip Technology0SG3845M-ND$0.00000Similar
UC3844ANTexas Instruments0296-11291-5-ND$1.54000Direct
UC3844NTexas Instruments0296-11294-5-ND$1.70000Direct
UC3845ANTexas Instruments0296-11297-5-ND$1.54000Direct
UC3845NTexas Instruments0296-11620-5-ND$1.70000Direct
In-Stock: 0
50 estimated in stock on 22-Feb-2027
Request Stock Notification
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$0.90000$0.90
10$0.64700$6.47
50$0.54480$27.24
100$0.51300$51.30
250$0.47936$119.84
500$0.45912$229.56
1,000$0.44246$442.46
2,500$0.42486$1,062.15
5,000$0.41426$2,071.30
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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.