Datasheets
UC3840J by:
STMicroelectronics
STMicroelectronics
Texas Instruments
Unitrode Corporation
Not Found

0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP18, CERAMIC, DIP-18

Part Details for UC3840J by STMicroelectronics

Results Overview of UC3840J by STMicroelectronics

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Applications Energy and Power Systems Renewable Energy Automotive

UC3840J Information

UC3840J by STMicroelectronics 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.

Part Details for UC3840J

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UC3840J Part Data Attributes

UC3840J STMicroelectronics
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UC3840J STMicroelectronics 0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP18, CERAMIC, DIP-18
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Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code DIP
Package Description DIP, DIP18,.3
Pin Count 18
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 30 V
Input Voltage-Min 8 V
Input Voltage-Nom 20 V
JESD-30 Code R-CDIP-T18
JESD-609 Code e0
Number of Functions 1
Number of Terminals 18
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Current-Max 0.4 A
Package Body Material CERAMIC, METAL-SEALED COFIRED
Package Code DIP
Package Equivalence Code DIP18,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Qualification Status Not Qualified
Surface Mount NO
Switcher Configuration SINGLE
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL

Alternate Parts for UC3840J

This table gives cross-reference parts and alternative options found for UC3840J. 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 UC3840J, 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
5962-8992001VA Unitrode Corp (RETIRED) Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP18, UC3840J vs 5962-8992001VA
UC2840J Unitrode Corp (RETIRED) Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP18, UC3840J vs UC2840J
UC2840J Unitrode Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP18, UC3840J vs UC2840J
UC1840J Unitrode Corp (RETIRED) Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP18, UC3840J vs UC1840J
5962-8992001VX Texas Instruments Check for Price 0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP18, CERAMIC, DIP-18 UC3840J vs 5962-8992001VX
5962-8992001VX Rochester Electronics LLC Check for Price Switching Controller, 0.4A, 500kHz Switching Freq-Max, CDIP18, CERAMIC, DIP-18 UC3840J vs 5962-8992001VX
5962-8992001VX Unitrode Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP18, UC3840J vs 5962-8992001VX
UC1840J/883BC Unitrode Corp (RETIRED) Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP18, UC3840J vs UC1840J/883BC
UC2840J STMicroelectronics Check for Price 0.4A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP18, CERAMIC, DIP-18 UC3840J vs UC2840J
Part Number Manufacturer Composite Price Description Compare
TL3842DRG4-8 Texas Instruments Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 UC3840J vs TL3842DRG4-8
SG2842DM-TR Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 UC3840J vs SG2842DM-TR
UC3842DR-8 Texas Instruments Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8 UC3840J vs UC3842DR-8
UC2845ADM Microchip Technology Inc Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 UC3840J vs UC2845ADM
IP3844AD-14-E3 TT Electronics Power and Hybrid / Semelab Limited Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, 0.150 INCH, PLASTIC, SOIC-14 UC3840J vs IP3844AD-14-E3
FA13844N Fuji Electric Co Ltd Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CMOS, PDSO8, SOP-8 UC3840J vs FA13844N
IP3843AD-8 TT Electronics Power and Hybrid / Semelab Limited Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOIC-8 UC3840J vs IP3843AD-8
SG3842D Microsemi Corporation Check for Price Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14, ROHS COMPLIANT, PLASTIC, SOIC-14 UC3840J vs SG3842D
LT1244CS8#PBF Analog Devices Inc Check for Price High Speed Current Mode Pulse Width Modulators UC3840J vs LT1244CS8#PBF
5962-8670404PA Defense Logistics Agency Check for Price Switching Controller, Current-mode, 1A, CDIP8, CERAMIC, DIP-8 UC3840J vs 5962-8670404PA

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