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UC3874DW-1

Description
High Efficiency, Synchronous, Step-down (Buck) Controller 18-SOIC 0 to 70
CategoryPower/power management    The power supply circuit   
File Size442KB,12 Pages
ManufacturerTexas Instruments
Websitehttp://www.ti.com.cn/
Environmental Compliance
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UC3874DW-1 Overview

High Efficiency, Synchronous, Step-down (Buck) Controller 18-SOIC 0 to 70

UC3874DW-1 Parametric

Parameter NameAttribute value
Brand NameTexas Instruments
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerTexas Instruments
Parts packaging codeSOIC
package instructionSOP, SOP18,.4
Contacts18
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time1 week
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage36 V
Minimum input voltage12 V
Nominal input voltage12 V
JESD-30 codeR-PDSO-G18
JESD-609 codee4
length11.55 mm
Humidity sensitivity level2
Number of functions1
Number of terminals18
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output current1 A
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP18,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height2.65 mm
surface mountYES
Switch configurationPUSH-PULL
Maximum switching frequency300 kHz
technologyBIPOLAR
Temperature levelCOMMERCIAL
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.5 mm

UC3874DW-1 Related Products

UC3874DW-1 UC2874DW-1 UC2874DW-1G4 UC2874DW-2 UC2874DW-2G4 UC2874N-1 UC2874N-2 UC3874DW-2 UC3874N-1 UC3874N-2
Description High Efficiency, Synchronous, Step-down (Buck) Controller 18-SOIC 0 to 70 High Efficiency, Synchronous, Step-down (Buck) Controllers 18-SOIC -40 to 85 High Efficiency, Synchronous, Step-down (Buck) Controllers 18-SOIC -40 to 85 High Efficiency, Synchronous, Step-down (Buck) Controllers 18-SOIC -40 to 85 High Efficiency, Synchronous, Step-down (Buck) Controllers 18-SOIC -40 to 85 Switching Controllers Hi Eff Synch Step down Buck Cntrlr Switching Controllers Hi Eff Synch Step down Buck Cntrlr Switching Controllers Hi Eff Synch Step down Buck Cntrlr Switching Controllers Hi Eff Synch Step down Buck Cntrlr Switching Controllers Hi Eff Synch Step down Buck Cntrlr
Is it Rohs certified? conform to conform to conform to conform to conform to conform to conform to conform to conform to conform to
Maker Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Parts packaging code SOIC SOIC SOIC SOIC SOIC DIP DIP SOIC DIP DIP
package instruction SOP, SOP18,.4 SOP, SOP18,.4 GREEN, SOIC-18 SOP, SOP18,.4 SOP, SOP18,.4 DIP, DIP18,.3 DIP, DIP18,.3 SOP, SOP18,.4 DIP, DIP18,.3 DIP, DIP18,.3
Contacts 18 18 18 18 18 18 18 18 18 18
Reach Compliance Code compli compli compli compli compli compli compliant compli unknown compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 36 V 36 V 36 V 36 V 36 V 36 V 36 V 36 V 36 V 36 V
Minimum input voltage 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V
Nominal input voltage 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V
JESD-30 code R-PDSO-G18 R-PDSO-G18 R-PDSO-G18 R-PDSO-G18 R-PDSO-G18 R-PDIP-T18 R-PDIP-T18 R-PDSO-G18 R-PDIP-T18 R-PDIP-T18
length 11.55 mm 11.55 mm 11.55 mm 11.55 mm 11.55 mm 22.48 mm 22.48 mm 11.55 mm 22.48 mm 22.48 mm
Number of functions 1 1 1 1 1 1 1 1 1 1
Number of terminals 18 18 18 18 18 18 18 18 18 18
Maximum operating temperature 70 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 70 °C 70 °C 70 °C
Minimum operating temperature - -40 °C -40 °C -40 °C -40 °C -25 °C -25 °C - - -
Maximum output current 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP SOP SOP DIP DIP SOP DIP DIP
Encapsulate equivalent code SOP18,.4 SOP18,.4 SOP18,.4 SOP18,.4 SOP18,.4 DIP18,.3 DIP18,.3 SOP18,.4 DIP18,.3 DIP18,.3
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE IN-LINE IN-LINE
Peak Reflow Temperature (Celsius) 260 260 260 260 260 NOT SPECIFIED NOT SPECIFIED 260 NOT SPECIFIED NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 2.65 mm 2.65 mm 2.65 mm 2.65 mm 2.65 mm 5.08 mm 5.08 mm 2.65 mm 5.08 mm 5.08 mm
surface mount YES YES YES YES YES NO NO YES NO NO
Switch configuration PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL
Maximum switching frequency 300 kHz 300 kHz 300 kHz 300 kHz 300 kHz 300 kHz 300 kHz 300 kHz 300 kHz 300 kHz
technology BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Temperature level COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL OTHER OTHER COMMERCIAL COMMERCIAL COMMERCIAL
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE
Terminal pitch 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 7.5 mm 7.5 mm 7.5 mm 7.5 mm 7.5 mm 7.62 mm 7.62 mm 7.5 mm 7.62 mm 7.62 mm
Brand Name Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments - Texas Instruments
Is it lead-free? Lead free Lead free - Lead free - Lead free Lead free Lead free Contains lead Lead free
Factory Lead Time 1 week 1 week - 1 week - 1 week 1 week 1 week 1 week 1 week
JESD-609 code e4 e4 e4 e4 e4 e4 e4 e4 - e4
Humidity sensitivity level 2 2 2 2 2 - - 2 - -
Terminal surface Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) - Nickel/Palladium/Gold (Ni/Pd/Au)
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