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Partno	Mfg	Dc	Qty	Available	Descript
UCC25706	TI	N/a	131	avai	High Speed Voltage Mode Pulse Width Modulator
UCC2570-6 |UCC25706	TI	N/a	91	avai	High Speed Voltage Mode Pulse Width Modulator
UCC25706D	TI	N/a	91	avai	High Speed Voltage Mode Pulse Width Modulator
UCC25706DGK	TI	N/a	7	avai	High Speed Voltage Mode Pulse Width Modulator
UCC25706P	UNITRODE	N/a	200	avai	High Speed Voltage Mode Pulse Width Modulator

UCC25706P ,High Speed Voltage Mode Pulse Width ModulatorUCC25705,UCC25706,UCC35705,UCC35706HIGH-SPEEDVOLTAGEMODEPULSEWIDTHMODULATORSLUS473B -- NOVEMBER 199 ..
UCC2570DTR ,Low Power Pulse Width Modulator
UCC2570N ,Low Power Pulse Width Modulator
UCC2570N ,Low Power Pulse Width Modulator
UCC2580-3 ,Single Ended Active Clamp/Reset PWMELECTRICAL CHARACTERISTICSUnless otherwise stated, all specifications are over the full temperature ..
UCC2580D-1 ,1UCC1580-1,-2,-3,-4UCC2580-1,-2,-3,-4UCC3580-1,-2,-3,-4Single Ended Active Clamp/Reset PWM
UP0.4C-150-R , Miniature size and rugged construction
UP04113 ,Composite DeviceAbsolute Maximum Ratings T = 25°Ca3: Collector (Tr2) 6: Collector (Tr1)SSMini6-F1 PackageParameter ..
UP04113 ,Composite DeviceComposite TransistorsUP0411x SeriesSilicon PNP epitaxial planar typeUnit: mm+0.050.20(0.30) 0.10±0. ..
UP04116 ,Composite DeviceFeatures• Two elements incorporated into one package5˚123(Transistors with built-in resistor)(0.50) ..
UP04211 ,Composite DeviceAbsolute Maximum Ratings T = 25°Ca6 5 4Parameter Symbol Rating UnitRR1 2Collector-base voltage (Em ..
UP04213 ,Composite DeviceComposite TransistorsUP0421x SeriesSilicon NPN epitaxial planar typeUnit : mm+0.050.20(0.30) 0.10±0 ..

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UCC25706-UCC2570-6-UCC25706D-UCC25706DGK-UCC25706P
High Speed Voltage Mode Pulse Width Modulator
Programmable Maximum Duty Cycle Clamp Optocoupler Interface 50-μA Start-Up Current 4.2-mA Operating Current@1 MHz Smallest Footprintof the 8-pin MSOPPackage Minimizes Board Area and Heightdescription
The UCC35705 and UCC35706 devices are 8-pin voltage mode primary side controllers with fast over-currentprotection. Thesedevices are usedas core high-speed buildingblocksin highperformanceisolated and non-isolatedpower converters.
UCC35705/UCC35706 devices featurea high speed oscillator with integrated feed-forward compensation forimproved converter performance.A typical current senseto output delay timeof 25ns provides fast responsetooverload conditions. TheIC also provides an accurate programmable maximum duty cycle clamp for increasedprotection which can alsobe disabledfor the oscillatorto runat maximum possible duty cycle.
Two UVLO options are offered. The UCC35705 with lower turn-on voltageis intendedfor dc-to-dc converters whilethe higher turn-on voltage and the wider UVLO rangeof the UCC35706is better suitedfor offline applications.
The UCC35705/UCC35706 familyis offeredin 8-pin MSOP (DGK), SOIC (D) and PDIP (P) packages.
typical application schematic
UDG-99181
VINSTARTCIRCUIT
MODE=1
Pleasebe aware thatan important notice concerning availability, standard warranty, and usein critical applicationsof
Texas Instruments semiconductor products and disclaimers thereto appearsatthe endofthis data sheet.
DISCH
ILIM
VFF
DISCH
VDD
OUT
GND(TOP VIEW)