Datasheets
UC3843DR by:

1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14

Part Details for UC3843DR by Texas Instruments

Overview of UC3843DR by Texas Instruments

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

Price & Stock for UC3843DR

Part # Distributor Description Stock Price Buy
Quest Components Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP 551
  • 1 $2.2050
  • 55 $0.6615
  • 303 $0.5733
$0.5733 / $2.2050 Buy Now

Part Details for UC3843DR

UC3843DR CAD Models

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UC3843DR Part Data Attributes:

UC3843DR Texas Instruments
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UC3843DR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, MS-012AB, SOIC-14
Pin Count 14
Reach Compliance Code unknown
ECCN Code EAR99
HTS Code 8542.39.00.01
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 25 V
Input Voltage-Min 8.2 V
Input Voltage-Nom 15 V
JESD-30 Code R-PDSO-G14
JESD-609 Code e4
Length 8.65 mm
Number of Functions 1
Number of Terminals 14
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Current-Max 1 A
Output Voltage-Nom 2.5 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP14,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Current-Max (Isup) 25 mA
Surface Mount YES
Switcher Configuration SINGLE
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade COMMERCIAL
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Width 3.9 mm

Alternate Parts for UC3843DR

This table gives cross-reference parts and alternative options found for UC3843DR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of UC3843DR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
UC3843DTR Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 14-SOIC 0 to 70 Texas Instruments UC3843DR vs UC3843DTR
CS-3843AD14 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, Cherry Semiconductor Corporation UC3843DR vs CS-3843AD14
UC3843D Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 14-SOIC 0 to 70 Texas Instruments UC3843DR vs UC3843D
Part Number Description Manufacturer Compare
CS-3845DW16 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16, Cherry Semiconductor Corporation UC3843DR vs CS-3845DW16
CS-3845D14 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, Cherry Semiconductor Corporation UC3843DR vs CS-3845D14
CS-3845BD14 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, Cherry Semiconductor Corporation UC3843DR vs CS-3845BD14
UC3843D Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 14-SOIC 0 to 70 Texas Instruments UC3843DR vs UC3843D
UC3845DR 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, MS-012AB, SOIC-14 Texas Instruments UC3843DR vs UC3845DR
UC3845DG4 Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C 14-SOIC 0 to 70 Texas Instruments UC3843DR vs UC3845DG4
UC2845D Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, -40C to 85C 14-SOIC -40 to 85 Texas Instruments UC3843DR vs UC2845D
CS-3843BD8 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, Cherry Semiconductor Corporation UC3843DR vs CS-3843BD8
CS-3843AD14 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, Cherry Semiconductor Corporation UC3843DR vs CS-3843AD14
UC2843DTR 30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, -40C to 85C 14-SOIC -40 to 85 Texas Instruments UC3843DR vs UC2843DTR

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