8-SOIC
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UC3843AD1

Digi-Key Part Number
497-3080-5-ND
Manufacturer
STMicroelectronics
Manufacturer Product Number
UC3843AD1
Description
IC REG CTRLR BOOST/FLYBACK 8SOIC
Detailed Description
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Customer Reference
Datasheet Datasheet
Product Attributes
Type
Description
Select
Category
Mfr
STMicroelectronics
Series
-
Package
Tube
Product Status
Obsolete
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)
10V ~ 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
UC3843
Documents & Media
Resource TypeLink
DatasheetsUCx84xA
HTML DatasheetUCx84xA
EDA ModelsUC3843AD1 by Ultra Librarian
Environmental & Export Classifications
AttributeDescription
RoHS StatusRoHS non-compliant
Moisture Sensitivity Level (MSL)1 (Unlimited)
REACH StatusREACH Unaffected
ECCNEAR99
HTSUS8542.39.0001
Additional Resources
AttributeDescription
Other Names497-3080-5
Standard Package100
Substitutes (48)
Part No.ManufacturerQuantity AvailableDigi-Key Part No.Unit PriceSubstitute Type
UC3842D8Rochester Electronics, LLC3,7622156-UC3842D8-TI-ND$0.69000Direct
UC3843D8TRTexas Instruments12,469296-46260-1-ND$1.36000Direct
UC3842AD8Texas Instruments524296-11279-5-ND$1.33000Direct
UC3843D8Texas Instruments1,303296-11287-5-ND$1.62000Direct
UC3842D8TRTexas Instruments1,465296-47906-1-ND$1.36000Direct