Datasheets
UC3843NG4 by:

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 8-PDIP 0 to 70

Part Details for UC3843NG4 by Texas Instruments

Overview of UC3843NG4 by Texas Instruments

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

Price & Stock for UC3843NG4

Part # Distributor Description Stock Price Buy
DISTI # 595-UC3843NG4
Mouser Electronics Switching Controllers Current-Mode PWM Controller RoHS: Compliant 453
  • 1 $1.3700
  • 10 $1.2300
  • 100 $0.9570
  • 500 $0.7900
  • 1,000 $0.6240
  • 2,500 $0.5820
  • 5,000 $0.5530
  • 10,000 $0.5320
$0.5320 / $1.3700 Buy Now

Part Details for UC3843NG4

UC3843NG4 CAD Models

UC3843NG4 Part Data Attributes:

UC3843NG4 Texas Instruments
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UC3843NG4 Texas Instruments Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 8-PDIP 0 to 70
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code DIP
Package Description GREEN, PLASTIC, DIP-8
Pin Count 8
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-PDIP-T8
JESD-609 Code e4
Length 9.59 mm
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Current-Max 1 A
Output Voltage-Nom 5 V
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Qualification Status Not Qualified
Seated Height-Max 5.08 mm
Supply Current-Max (Isup) 25 mA
Supply Voltage-Max (Vsup) 28 V
Supply Voltage-Min (Vsup) 8.4 V
Surface Mount NO
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 500 kHz
Technology BICMOS
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.62 mm

Alternate Parts for UC3843NG4

This table gives cross-reference parts and alternative options found for UC3843NG4. 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 UC3843NG4, 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
UC3843N Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C 8-PDIP 0 to 70 Texas Instruments UC3843NG4 vs UC3843N
Part Number Description Manufacturer Compare
UC3845AN 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDIP8, MINI, DIP-8 STMicroelectronics UC3843NG4 vs UC3845AN
5962-8670406VPX 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP8, CERAMIC, DIP-8 Texas Instruments UC3843NG4 vs 5962-8670406VPX
5962-8670407VXA Current Mode PWM Controller 20-LCCC -55 to 125 Texas Instruments UC3843NG4 vs 5962-8670407VXA
SG1844Y-DESC Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 Microchip Technology Inc UC3843NG4 vs SG1844Y-DESC
UC2843ANG4 30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 40°C to 85°C 8-PDIP -40 to 85 Texas Instruments UC3843NG4 vs UC2843ANG4
SG1845J-DESC Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP14 Microchip Technology Inc UC3843NG4 vs SG1845J-DESC
SG2843D-TR Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14 Microchip Technology Inc UC3843NG4 vs SG2843D-TR
UC2846N Dual ended 500KHz current mode PWM controller, -40C to 85C 16-PDIP -40 to 85 Texas Instruments UC3843NG4 vs UC2846N
UC3845-S08-R Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8, SOP-8 Unisonic Technologies Co Ltd UC3843NG4 vs UC3845-S08-R
5962-8670402CX Switching Controller, Current-mode, 1A, CDIP14 Microchip Technology Inc UC3843NG4 vs 5962-8670402CX

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