Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 14-SOIC
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UC3843BDR2G

DigiKey Part Number
UC3843BDR2GOSTR-ND - Tape & Reel (TR)
UC3843BDR2GOSCT-ND - Cut Tape (CT)
UC3843BDR2GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
UC3843BDR2G
Description
IC REG CTRLR FLYBACK 14SOIC
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 14-SOIC
Datasheet
 Datasheet
EDA/CAD Models
UC3843BDR2G Models
Product Attributes
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Category
Frequency - Switching
Up to 500kHz
Manufacturer
onsemi
Duty Cycle (Max)
96%
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
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
14-SOIC (0.154", 3.90mm Width)
Number of Outputs
1
Supplier Device Package
14-SOIC
Output Phases
1
Base Product Number
Voltage - Supply (Vcc/Vdd)
7.6V ~ 30V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (12)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
TL3843BDTexas Instruments634296-23676-5-NDFr.0.93000Direct
UC3842ADTexas Instruments1,319296-11278-5-NDFr.1.15000Direct
UC3842ADTRTexas Instruments2,501296-UC3842ADCT-NDFr.0.98000Direct
UC3842DTexas Instruments375296-UC3842D-NDFr.1.28000Direct
UC3842DTRTexas Instruments967296-UC3842DTRCT-NDFr.0.96000Direct
In-Stock: 2,441
Factory Stock: 2,500
Check for Additional Incoming Stock
All prices are in CHF
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1Fr.0.56000Fr.0.56
10Fr.0.40000Fr.4.00
25Fr.0.35960Fr.8.99
100Fr.0.31470Fr.31.47
250Fr.0.29324Fr.73.31
500Fr.0.28032Fr.140.16
1,000Fr.0.26966Fr.269.66
* All Digi-Reel orders will add a Fr.7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500Fr.0.25090Fr.627.25
5,000Fr.0.24431Fr.1,221.55
Manufacturers Standard Package
Unit Price without VAT:Fr.0.56000
Unit Price with VAT:Fr.0.60536