Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
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UC3843BD1G

DigiKey Part Number
UC3843BD1GOS-ND
Manufacturer
Manufacturer Product Number
UC3843BD1G
Description
IC REG CTRLR FLYBACK 8SOIC
Manufacturer Standard Lead Time
27 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
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (13)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UC3842D8Rochester Electronics, LLC3,7622156-UC3842D8-TI-ND$1.69399Direct
UC3843BD1STMicroelectronics10,894497-15689-5-ND$2.48000Direct
UC3843D8Rochester Electronics, LLC14,8772156-UC3843D8-ND$2.39000Direct
UC3843D8TRTexas Instruments11,294296-46260-1-ND$1.70000Direct
UC1842AMDREPTexas Instruments2,377296-18181-2-ND$8.02192Upgrade
In-Stock: 1,291
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QuantityUnit PriceExt Price
1$0.98000$0.98
10$0.68700$6.87
98$0.53929$52.85
196$0.51026$100.01
294$0.49568$145.73
588$0.47437$278.93
1,078$0.45881$494.60
2,548$0.44084$1,123.26
5,096$0.42922$2,187.31
Manufacturers Standard Package
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Unit Price without GST:$0.98000
Unit Price with GST:$1.07800