TL3843P is out of stock and can be placed on backorder.
Available Substitutes:

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onsemi
In Stock: 2,200
Unit Price: $1.14000
Datasheet

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STMicroelectronics
In Stock: 0
Unit Price: $1.03000
Datasheet
Boost, Flyback, Forward Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

TL3843P

DigiKey Part Number
296-10176-5-ND
Manufacturer
Manufacturer Part Number
TL3843P
Description
IC REG CTRLR MULT TOPOLOGY 8DIP
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Boost, Flyback, Forward Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP
Datasheet
 Datasheet
EDA/CAD Models
TL3843P 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
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
Mounting Type
Through Hole
Topology
Boost, Flyback, Forward
Package / Case
8-DIP (0.300", 7.62mm)
Number of Outputs
1
Supplier Device Package
8-PDIP
Output Phases
1
Base Product Number
Voltage - Supply (Vcc/Vdd)
7.6V ~ 30V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
UC3843BNGonsemi2,2002832-UC3843BNG-ND$1.14000Similar
UC2845BNSTMicroelectronics0497-UC2845BN-ND$1.03000Similar
In-Stock: 0
50 estimated in stock on 30-Nov-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$1.22000$1.22
10$0.88300$8.83
50$0.74820$37.41
100$0.70640$70.64
250$0.66240$165.60
500$0.63584$317.92
1,000$0.61398$613.98
2,500$0.59091$1,477.28
5,000$0.57701$2,885.05
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.