Datasheets
UC3843AD8G4 by:

30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C 8-SOIC 0 to 70

Part Details for UC3843AD8G4 by Texas Instruments

Overview of UC3843AD8G4 by Texas Instruments

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

Price & Stock for UC3843AD8G4

Part # Distributor Description Stock Price Buy
Win Source Electronics IC REG CTRLR MULT TOPOLOGY 8SOIC 49300
  • 80 $0.6500
  • 190 $0.5340
  • 295 $0.5170
  • 400 $0.5000
  • 520 $0.4840
  • 695 $0.4340
$0.4340 / $0.6500 Buy Now

Part Details for UC3843AD8G4

UC3843AD8G4 CAD Models

UC3843AD8G4 Part Data Attributes:

UC3843AD8G4 Texas Instruments
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UC3843AD8G4 Texas Instruments 30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C 8-SOIC 0 to 70
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Lifetime Buy
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOP, SOP8,.25
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-PDSO-G8
JESD-609 Code e4
Length 4.9 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Current-Max 1 A
Output Voltage-Max 5.1 V
Output Voltage-Min 4.9 V
Output Voltage-Nom 5 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.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
Supply Voltage-Nom (Vsup) 11 V
Surface Mount YES
Switcher Configuration BUCK-BOOST
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade COMMERCIAL
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) NOT SPECIFIED
Width 3.9 mm

Alternate Parts for UC3843AD8G4

This table gives cross-reference parts and alternative options found for UC3843AD8G4. 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 UC3843AD8G4, 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
UC3843AD8TRG4 30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C 8-SOIC 0 to 70 Texas Instruments UC3843AD8G4 vs UC3843AD8TRG4
SG3843DM Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, ROHS COMPLIANT, PLASTIC, SOIC-8 Microsemi Corporation UC3843AD8G4 vs SG3843DM
Part Number Description Manufacturer Compare
SG2842DM-TR Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 Microchip Technology Inc UC3843AD8G4 vs SG2842DM-TR
CS3843AGD14 1A SWITCHING CONTROLLER, PDSO14, SO-14 onsemi UC3843AD8G4 vs CS3843AGD14
UC3844D8TR Single ended 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0C to 70C 8-SOIC 0 to 70 Texas Instruments UC3843AD8G4 vs UC3844D8TR
UC3843AD 30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C 14-SOIC 0 to 70 Texas Instruments UC3843AD8G4 vs UC3843AD
SG2845M Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8, ROHS COMPLIANT, PLASTIC, DIP-8 Microsemi Corporation UC3843AD8G4 vs SG2845M
SG3842D-TR Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, ROHS COMPLIANT, PLASTIC, SOIC-14 Microsemi Corporation UC3843AD8G4 vs SG3842D-TR
CS2845LN8 1A SWITCHING CONTROLLER, PDIP8, DIP-8 onsemi UC3843AD8G4 vs CS2845LN8
IP3845D-14 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, 0.150 INCH, PLASTIC, SOIC-14 TT Electronics Power and Hybrid / Semelab Limited UC3843AD8G4 vs IP3845D-14
IP2845AJ Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8, CERAMIC, DIP-8 TT Electronics Resistors UC3843AD8G4 vs IP2845AJ
UC3842ADWTR 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, SOIC-16 Texas Instruments UC3843AD8G4 vs UC3842ADWTR

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