TL3843D-8 is Obsolete and no longer manufactured.
Available Substitutes:

MFR Recommended


Texas Instruments
In Stock: 335
Unit Price: Fr.0.58000
Datasheet

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onsemi
In Stock: 1,291
Unit Price: Fr.0.52000
Datasheet

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onsemi
In Stock: 9,041
Unit Price: Fr.0.52000
Datasheet

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onsemi
In Stock: 4,831
Unit Price: Fr.0.53000
Datasheet

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STMicroelectronics
In Stock: 348
Unit Price: Fr.0.74000
Datasheet
Boost, Flyback, Forward Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

TL3843D-8

DigiKey Part Number
296-26709-5-ND
Manufacturer
Manufacturer Product Number
TL3843D-8
Description
IC REG CTRLR MULT TOPOLOGY 8SOIC
Customer Reference
Detailed Description
Boost, Flyback, Forward Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Datasheet
 Datasheet
EDA/CAD Models
TL3843D-8 Models
Product Attributes
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Category
Frequency - Switching
Up to 500kHz
Manufacturer
Texas Instruments
Duty Cycle (Max)
97%
Packaging
Tube
Synchronous Rectifier
No
Part Status
Obsolete
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
Mounting Type
Surface Mount
Topology
Boost, Flyback, Forward
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 (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
TL3843DR-8Texas Instruments335296-10175-1-NDFr.0.58000MFR Recommended
UC3843BD1Gonsemi1,291UC3843BD1GOS-NDFr.0.52000Similar
UC3843BD1R2Gonsemi9,041UC3843BD1R2GOSCT-NDFr.0.52000Similar
UC3843BVD1R2Gonsemi4,831UC3843BVD1R2GOSCT-NDFr.0.53000Similar
UC3844BD1013TRSTMicroelectronics348497-3682-1-NDFr.0.74000Similar
Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types