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Power Circuits / Switching Regulator or Controllers / UC2843DTR
Datasheets
UC2843DTR by:

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 UC2843DTR by Texas Instruments

Overview of UC2843DTR by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics Energy and Power Systems Renewable Energy

Available Datasheets

Part # Manufacturer Description Datasheet
UC2843DTR Texas Instruments Current-Mode PWM Controller 14-SOIC -40 to 85

Price & Stock for UC2843DTR

Part # Distributor Description Stock Price Buy
DISTI # 296-UC2843DCT-ND
DigiKey IC REG CTRLR MULT TOP 14SOIC Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 3794
In Stock
  • 1 $1.0100
  • 10 $0.7240
  • 25 $0.6532
  • 100 $0.5755
  • 250 $0.5385
  • 500 $0.5161
  • 1,000 $0.4978
  • 2,500 $0.4784
  • 5,000 $0.4667
  • 7,500 $0.4608
  • 12,500 $0.4543
  • 17,500 $0.4506
$0.4506 / $1.0100 Buy Now
DISTI # 595-UC2843DTR
Mouser Electronics Switching Controllers Current-Mode PWM Controller RoHS: Compliant 2226
  • 1 $1.1400
  • 10 $0.7090
  • 100 $0.6140
  • 250 $0.5680
  • 500 $0.5410
  • 1,000 $0.5180
  • 2,500 $0.4930
  • 5,000 $0.4680
  • 10,000 $0.4440
$0.4440 / $1.1400 Buy Now
Rochester Electronics UC2843A Current Mode PWM Controller RoHS: Compliant Status: Active Min Qty: 1 47
RFQ
ComSIT USA CURRENT MODE PWM CONTROLLER Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14 RoHS: Compliant Stock EU - 945
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
Chip 1 Exchange INSTOCK 9238
RFQ

Part Details for UC2843DTR

UC2843DTR CAD Models

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UC2843DTR Part Data Attributes

Parametric Data
UC2843DTR Texas Instruments
Buy Now Datasheet
Compare Parts:
UC2843DTR 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
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
Samacsys Manufacturer Texas Instruments
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 UC2843DTR

This table gives cross-reference parts and alternative options found for UC2843DTR. 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 UC2843DTR, 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
UC2843DG4 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 UC2843DTR vs UC2843DG4
UC3845DTR 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 UC2843DTR vs UC3845DTR
CS-3845D8 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, Cherry Semiconductor Corporation UC2843DTR vs CS-3845D8
CS-3843AD14 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, Cherry Semiconductor Corporation UC2843DTR vs CS-3843AD14
UC2845DR 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14 Texas Instruments UC2843DTR vs UC2845DR
CS-3843BD14 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, Cherry Semiconductor Corporation UC2843DTR vs CS-3843BD14
UC2845DTR 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 UC2843DTR vs UC2845DTR
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 UC2843DTR vs UC3843D
UC3843DR 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14 Texas Instruments UC2843DTR vs UC3843DR
CS-3843AN8 Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8, Cherry Semiconductor Corporation UC2843DTR vs CS-3843AN8

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