UC3843D

PART NUMBERUC3843DSend your quantity and requirements for a confirmed quote.
Request this part

UC3843D — Manufacturer package reference image, SOIC (D)
Manufacturer package reference image

Order the UC3843D - Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C | D | 14 | 0 to 70 from Texas Instruments.

Key Specifications

Complete manufacturer part numberUC3843D
ManufacturerTexas Instruments
DescriptionOrder the UC3843D - Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C | D | 14 | 0 to 70 from Texas Instruments.
Package / caseSOIC (D)
Product categoryAC/DC controllers
Pins14
TI package codeD
TopologyBoost, Buck, Buck boost, Flyback, Forward
Control modePeak current mode
FeaturesAdjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology
Duty cycle (max) (%)100
SectorTest & measurement
Operating temperature (exact ordering record)0 to 70 °C
Standard quantity / packing50 | TUBE
In stock8,758 pcs
Unit priceRequest a quote
Lead timeTo be confirmed

Technical documentation and image source

TI exact ordering page and explicitly identified base product page verified on 2026-11-04. Electrical fields refer to the named base product. Package and temperature refer to the exact ordering code. Package reference image is not a stock-lot photograph. Consult the datasheet for electrical limits and test conditions.

Manufacturer package reference image for SOIC (D). Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.

Request a Quote

Part Number: UC3843D
Manufacturer: Texas Instruments

Why Source from CHIPER

  • Quality inspection — every part is visually inspected and authenticity verified before shipment.
  • Traceability — batch and date-code information provided on request.
  • Shipping — worldwide shipping with major couriers (DHL / FedEx / UPS), fully insured.
  • Payment — flexible terms including bank transfer (T/T) in major currencies.
  • After-sales — dedicated support and RMA handling for every order.

Contact: xiaoqi@chiper-components.com · +86 18570555062

Request This Part
Scroll to Top