UC3843BD1G is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Texas Instruments
In Stock: 0
Unit Price: $1.12000
Datasheet

Direct


Texas Instruments
In Stock: 0
Unit Price: $0.82000
Datasheet

Direct


Texas Instruments
In Stock: 2,500
Unit Price: $0.45359
Datasheet

Direct


Microchip Technology
In Stock: 0
Unit Price: $0.93750
Datasheet

Direct


STMicroelectronics
In Stock: 0
Unit Price: $0.85000
Datasheet

Direct


Rochester Electronics, LLC
In Stock: 3,762
Unit Price: $0.91000
Datasheet

Direct


Texas Instruments
In Stock: 15,500
Unit Price: $1.09000
Datasheet

Direct


Texas Instruments
In Stock: 0
Unit Price: $1.12000
Datasheet

Direct


Texas Instruments
In Stock: 0
Unit Price: $0.57721
Datasheet

Direct


Texas Instruments
In Stock: 0
Unit Price: $0.96000
Datasheet

Direct


Texas Instruments
In Stock: 0
Unit Price: $0.43292
Datasheet

Direct


Microchip Technology
In Stock: 0
Unit Price: $3.35400
Datasheet

Direct


STMicroelectronics
In Stock: 0
Unit Price: $1.27000
Datasheet

Direct


STMicroelectronics
In Stock: 0
Unit Price: $0.83000
Datasheet
8 SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

UC3843BD1G

DigiKey Part Number
UC3843BD1GOS-ND
Manufacturer
Manufacturer Product Number
UC3843BD1G
Description
IC REG CTRLR FLYBACK 8SOIC
Manufacturer Standard Lead Time
13 Weeks
Customer Reference
Detailed Description
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Datasheet
 Datasheet
EDA/CAD Models
UC3843BD1G Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
onsemi
Series
-
Packaging
Tube
Part Status
Active
Output Type
Transistor Driver
Function
Step-Up, Step-Up/Step-Down
Output Configuration
Positive, Isolation Capable
Topology
Boost, Flyback
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
7.6V ~ 30V
Frequency - Switching
Up to 500kHz
Duty Cycle (Max)
96%
Synchronous Rectifier
No
Clock Sync
No
Serial Interfaces
-
Control Features
Frequency Control
Operating Temperature
0°C ~ 70°C (TA)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

Available To Order
Factory Stock: 42,140
Check Lead Time
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$0.62000$0.62
10$0.44000$4.40
98$0.34469$33.78
196$0.32592$63.88
294$0.31650$93.05
588$0.30272$178.00
1,078$0.29268$315.51
2,548$0.28107$716.17
5,096$0.27355$1,394.01
Manufacturers Standard Package
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. Tariff costs are calculated and will be displayed in the shopping cart.