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Power Circuits / Switching Regulator or Controllers / UC2843DG4
Datasheets
UC2843DG4 by: Texas Instruments

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

Part Details for UC2843DG4 by Texas Instruments

Results Overview of UC2843DG4 by Texas Instruments

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

UC2843DG4 Information

UC2843DG4 by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
UC2843DG4 Texas Instruments Current-Mode PWM Controller 14-SOIC -40 to 85

Price & Stock for UC2843DG4

Part # Distributor Description Stock Price Buy
DISTI # 595-UC2843DG4
Mouser Electronics Switching Controllers Current-Mode PWM Con troller ALT 595-UC2843D RoHS: Compliant 530
  • 1 $2.2700
  • 10 $1.5000
  • 50 $1.2600
  • 100 $1.0700
  • 250 $1.0000
  • 500 $0.8540
  • 1,000 $0.7120
  • 2,500 $0.6960
  • 5,000 $0.6830
$0.6830 / $2.2700 Buy Now

Part Details for UC2843DG4

UC2843DG4 CAD Models

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UC2843DG4 Part Data Attributes

Parametric Data
UC2843DG4 Texas Instruments
Buy Now Datasheet
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UC2843DG4 Texas Instruments 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
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
parentfamilyid 900286
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, MS-012AB, SOIC-14
Pin Count 14
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Schedule B Code 8542.39.00.00
Samacsys Description Switching Controllers Current-Mode PWM Controller
Samacsys Manufacturer Texas Instruments
Samacsys Modified On 2023-03-07 16:10:32
Total Weight 129.123549
Category CO2 Kg 504
CO2 65078.268696
Compliance Temperature Grade Industrial: -40C to +85C
EU RoHS Version RoHS 2 (2015/863/EU)
Candidate List Date 2025-01-21
CAS Accounted for Wt 98
CA Prop 65 Presence YES
CA Prop 65 CAS Numbers 7440-02-0, 1333-86-4
EFUP e
Conflict Mineral Status DRC Conflict Free
Conflict Mineral Status Source CMRT V6.40
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 28 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
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 14
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
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
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Current-Max (Isup) 25 mA
Supply Voltage-Max (Vsup) 28 V
Supply Voltage-Min (Vsup) 8.4 V
Surface Mount YES
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

Alternate Parts for UC2843DG4

This table gives cross-reference parts and alternative options found for UC2843DG4. 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 UC2843DG4, 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 Manufacturer Composite Price Description Compare
UC3845D Texas Instruments $0.7089 Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C 14-SOIC 0 to 70 UC2843DG4 vs UC3845D
UC2845D Texas Instruments $0.7470 Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, -40C to 85C 14-SOIC -40 to 85 UC2843DG4 vs UC2845D
CS-3843AN8 Cherry Semiconductor Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8, UC2843DG4 vs CS-3843AN8
UC2843DTR Texas Instruments Check for Price 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 UC2843DG4 vs UC2843DTR
CS-3843BD8 Cherry Semiconductor Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, UC2843DG4 vs CS-3843BD8
CS-3845D8 Cherry Semiconductor Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, UC2843DG4 vs CS-3845D8
UC3843DG4 Texas Instruments Check for Price Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 14-SOIC 0 to 70 UC2843DG4 vs UC3843DG4
UC3843DR Texas Instruments Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14 UC2843DG4 vs UC3843DR
UC3843DTR Texas Instruments Check for Price Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 14-SOIC 0 to 70 UC2843DG4 vs UC3843DTR
CS-3845DW16 Cherry Semiconductor Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16, UC2843DG4 vs CS-3845DW16

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