Note: 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.
Distributor Offerings: (
0 listings
)
Number of FFF Equivalents: (
10 replacements
)
CAD Models: (
Available
)
Number of Functional Equivalents: (
10 options
)
Part Data Attributes (
Available
)
Reference Designs: (
Not Available
)
Where used in Applications:
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
Part #
Manufacturer
Description
Datasheet
LT1243CS8#PBF
Analog Devices
Hi Speed C Mode Pulse Width Mo
LT1243CS8#TRPBF
Analog Devices
Hi Speed C Mode Pulse Width Mo
Part Symbol
Footprint
3D Model
Moisture Sensitivity Level
Operating Temperature-Max
Operating Temperature-Min
Supply Current-Max (Isup)
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Analog Devices Inc
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
VS
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LT1243CS8#TRPBF - Linear Technology
LT1243CS8#TRPBF - Analog Devices Inc
KA3843BDT&R - Fairchild Semiconductor Corporation
UC3843BVD1 - Motorola Mobility LLC
LT1243IS8#TRPBF - Linear Technology
LT1243IS8#TR - Linear Technology
UC3843BVD1R2 - Motorola Mobility LLC
UC3843BVD1R2G - Rochester Electronics LLC
UC3843BD1G - Rochester Electronics LLC
UC3843D8G4 - Rochester Electronics LLC
IP3845D-14 - TT Electronics Power and Hybrid / Semelab Limited
LT1241CN8 - Analog Devices Inc
IP2845AJ - TT Electronics Resistors
UC3844G-S08-T - Unisonic Technologies Co Ltd
IP2845J - TT Electronics Resistors
5962-8670406VXX - Texas Instruments
UC2844AQD - Texas Instruments
5962-8670401CA - Linfinity Microelectronics
CS-3844N8 - Cherry Semiconductor Corporation
TC28C43EOE - Telcom Semiconductor Inc
This table gives cross-reference parts and alternative options found for LT1243CS8. 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 LT1243CS8, 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
LT1243CS8#TRPBF
LT1243 - High Speed Current Mode Pulse Width Modulators; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C
Linear Technology
LT1243CS8 vs LT1243CS8#TRPBF
LT1243CS8#TRPBF
High Speed Current Mode Pulse Width Modulators
Analog Devices Inc
LT1243CS8 vs LT1243CS8#TRPBF
KA3843BDT&R
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO14, 0.225 INCH, SOP-14
Fairchild Semiconductor Corporation
LT1243CS8 vs KA3843BDT&R
UC3843BVD1
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8
Motorola Mobility LLC
LT1243CS8 vs UC3843BVD1
LT1243IS8#TRPBF
LT1243 - High Speed Current Mode Pulse Width Modulators; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C
Linear Technology
LT1243CS8 vs LT1243IS8#TRPBF
LT1243IS8#TR
LT1243 - High Speed Current Mode Pulse Width Modulators; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C
Linear Technology
LT1243CS8 vs LT1243IS8#TR
UC3843BVD1R2
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8
Motorola Mobility LLC
LT1243CS8 vs UC3843BVD1R2
UC3843BVD1R2G
1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8, HALOGEN AND LEAD FREE, PLASTIC, SOIC-8
Rochester Electronics LLC
LT1243CS8 vs UC3843BVD1R2G
UC3843BD1G
1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8, HALOGEN AND LEAD FREE, PLASTIC, SOIC-8
Rochester Electronics LLC
LT1243CS8 vs UC3843BD1G
UC3843D8G4
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8
Rochester Electronics LLC
LT1243CS8 vs UC3843D8G4
Part Number
Description
Manufacturer
Compare
IP3845D-14
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, 0.150 INCH, PLASTIC, SOIC-14
TT Electronics Power and Hybrid / Semelab Limited
LT1243CS8 vs IP3845D-14
LT1241CN8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
Analog Devices Inc
LT1243CS8 vs LT1241CN8
IP2845AJ
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8, CERAMIC, DIP-8
TT Electronics Resistors
LT1243CS8 vs IP2845AJ
UC3844G-S08-T
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8, HALOGEN FREE, SOP-8
Unisonic Technologies Co Ltd
LT1243CS8 vs UC3844G-S08-T
IP2845J
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8, CERAMIC, DIP-8
TT Electronics Resistors
LT1243CS8 vs IP2845J
5962-8670406VXX
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CQCC20, CERAMIC, LCC-20
Texas Instruments
LT1243CS8 vs 5962-8670406VXX
UC2844AQD
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, MS-012AB, SOIC-14
Texas Instruments
LT1243CS8 vs UC2844AQD
5962-8670401CA
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP14, CERAMIC, DIP-14
Linfinity Microelectronics
LT1243CS8 vs 5962-8670401CA
CS-3844N8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8,
Cherry Semiconductor Corporation
LT1243CS8 vs CS-3844N8
TC28C43EOE
Switching Controller, Current-mode, 1.2A, 1000kHz Switching Freq-Max, BICMOS, PDSO16,
Telcom Semiconductor Inc
LT1243CS8 vs TC28C43EOE