UC3843AD8In StockTexas Instruments

CURRENT MODE PWM CONTROLLER

OBSOLETEIntegrated CircuitVerified Apr 2026
Package / Visual Reference
UC3843AD8Small Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
8
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL0
Analog IC - Other TypeSWITCHING CONTROLLER
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max28V
Input Voltage-Min8.2V
Input Voltage-Nom15V
JESD-30 CodeR-PDSO-G8
JESD-609 Codee4
Number of Functions1
Output Current-Max1A
Output Voltage-Max5.1V
Output Voltage-Min4.9V
Output Voltage-Nom5V
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Supply Current-Max (Isup)25mA
Supply Voltage-Max (Vsup)28V
Supply Voltage-Min (Vsup)8.4V
Supply Voltage-Nom (Vsup)11V
Surface MountYES
Switcher ConfigurationBUCK-BOOST
Switching Frequency-Max500kHz
TechnologyBIPOLAR
Temperature GradeCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginMexico

Datasheet

UC3843AD8 Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of UC3843AD8?

UC3843AD8 is priced from competitive USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is UC3843AD8 in stock?

UC3843AD8 is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy UC3843AD8?

You can buy UC3843AD8 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for UC3843AD8 from Texas Instruments.

What is the datasheet for UC3843AD8?

The official UC3843AD8 datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does UC3843AD8 come in?

UC3843AD8 is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
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Quality Guaranteed
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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
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pcs

In Stock · 24h Response · Worldwide Shipping

Direct Contact
Email RFQ
Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany