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 (43)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UC2842ADMMicrochip Technology2,276UC2842ADM-ND$4.47000Upgrade
MIC38HC43YM-TRMicrochip Technology5,858576-1169-2-ND$1.90000Similar
MIC38HC43YMMicrochip Technology9576-3373-5-ND$1.90000Similar
UC3842D8TRTexas Instruments18,051296-47906-2-ND$1.51000Direct
UC3843D8Texas Instruments14,8672156-UC3843D8-ND$1.93000Direct
In-Stock: 1,676
Factory Stock: 76,636
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$0.73000$0.73
10$0.52100$5.21
98$0.41010$40.19
196$0.38827$76.10
294$0.37731$110.93
588$0.36126$212.42
1,078$0.34956$376.83
2,548$0.33604$856.23
5,096$0.32729$1,667.87
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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