TL3845BP is out of stock and can be placed on backorder.
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Microchip Technology
In Stock: 0
Unit Price: $0.00000
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onsemi
In Stock: 0
Unit Price: $1.18000
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STMicroelectronics
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Unit Price: $1.08000
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STMicroelectronics
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Unit Price: $1.03000
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STMicroelectronics
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Unit Price: $0.90000
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STMicroelectronics
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Unit Price: $0.90000
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Boost, Flyback, Forward Converter 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.

TL3845BP

DigiKey Part Number
296-34303-5-ND
Manufacturer
Manufacturer Part Number
TL3845BP
Description
IC REG CTRLR MULT TOPOLOGY 8DIP
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Boost, Flyback, Forward Converter Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP
Datasheet
 Datasheet
EDA/CAD Models
TL3845BP Models
Product Attributes
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Category
Frequency - Switching
100kHz
Manufacturer
Texas Instruments
Duty Cycle (Max)
48%
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 Converter
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 (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SG3845MMicrochip Technology0SG3845M-ND$0.00000Direct
UC3845BNGonsemi0UC3845BNGOS-ND$1.18000Similar
UC2844BNSTMicroelectronics0497-6135-5-ND$1.08000Upgrade
UC2845BNSTMicroelectronics0497-UC2845BN-ND$1.03000Upgrade
UC3844BNSTMicroelectronics0497-UC3844BN-ND$0.90000Similar
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$0.66000$0.66
10$0.46900$4.69
50$0.39160$19.58
100$0.36770$36.77
250$0.34236$85.59
500$0.32710$163.55
1,000$0.31453$314.53
2,500$0.30127$753.17
5,000$0.29328$1,466.40
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.