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
33 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 (37)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UC3842AD8TRTexas Instruments576296-41791-1-ND$0.97000Direct
UC3842AD8TRG4Texas Instruments2,500UC3842AD8TRG4-ND$0.46720Direct
UC3842D8Rochester Electronics, LLC3,7622156-UC3842D8-TI-ND$1.21000Direct
UC3842D8TRTexas Instruments18,056296-47906-1-ND$1.51000Direct
UC3843AD8Texas Instruments2,487296-11284-5-ND$1.15000Direct
In-Stock: 431
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Tube
QuantityUnit PriceExt Price
1$0.69000$0.69
10$0.48600$4.86
98$0.38153$37.39
196$0.36097$70.75
294$0.35065$103.09
588$0.33556$197.31
1,078$0.32457$349.89
2,548$0.31186$794.62
5,096$0.30363$1,547.30
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