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 (13)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
TL3843BDRochester Electronics, LLC6,4342156-TL3843BD-ND$1.65000Direct
UC3842ADTexas Instruments1,319296-11278-5-ND$2.36000Direct
UC3842ADTRTexas Instruments13,352296-UC3842ADCT-ND$1.73000Direct
UC3842DRochester Electronics, LLC30,2782156-UC3842D-TI-ND$2.25000Direct
UC3842DTRTexas Instruments5,967296-UC3842DTRCT-ND$1.99000Direct
In-Stock: 2,441
Check for Additional Incoming Stock
All prices are in SGD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.99000$0.99
10$0.70500$7.05
25$0.63320$15.83
100$0.55410$55.41
250$0.51632$129.08
500$0.49356$246.78
1,000$0.47479$474.79
* All Digi-Reel orders will add a $10.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.44175$1,104.38
5,000$0.43017$2,150.85
Manufacturers Standard Package
Unit Price without VAT:$0.99000
Unit Price with VAT:$1.07910