The Datasheet Archive

Top Results (6)

Part Manufacturer Description Datasheet Download Buy Part
LT1946EMS8E Linear Technology LT1946 - 1.2MHz Boost DC/DC Converter with 1.5A Switch and Soft-Start; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C
LT3467EDDB#TRM Linear Technology LT3467 - 1.1A Step-Up DC/DC Converter with Integrated Soft-Start; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C
LT3489EMS8E Linear Technology LT3489 - 2MHz Boost DC/DC Converter with 2.5A Switch and Soft-Start; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C
LT3467AES6#TRMPBF Linear Technology LT3467A - 1.1A Step-Up DC/DC Converter with Integrated Soft-Start; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C
LT3489EMS8E#TRPBF Linear Technology LT3489 - 2MHz Boost DC/DC Converter with 2.5A Switch and Soft-Start; Package: MSOP; Pins: 8; Temperature Range: -40°C to 85°C
LT3580EDD#TRPBF Linear Technology LT3580 - Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

UC3842 soft start Datasheets Context Search

Catalog Datasheet MFG & Type PDF Document Tags
uc3842

Abstract: UC3842 soft start UC3842 p pwm flyback uc3842 uc3842 converter design UCC3809 UCC3802 of ic uc3842 DN-89 UC3842 flyback
Text: IC, and supporting circuitry to perform soft start , leading edge blanking, slope compensation, and , cycle soft start . The UCC3802 has built in soft start fixed at 1V/ms. The UCC3809 has user programmable soft start by selecting a single capacitor. The shut down cir cuitry is the same in all three designs , in lower start up and operating currents as compared to the bipolar UC3842 . As an added feature, the , /Hysteresis Max. Frequency Soft Start Leadinq Edqe Blankinq Output Drive Reference Voltaqe Maximum Duty Cycle


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PDF DN-89 UC3842, UCC3802, UCC3809 UC3842 UCC3802 UC3842 soft start UC3842 p pwm flyback uc3842 uc3842 converter design of ic uc3842 DN-89 UC3842 flyback
1999 - flyback uc3842

Abstract: of ic uc3842 Datasheet of ic uc3842 uc3842 UC3842 ON Semiconductor uc3842 application circuit IC UC3842 uc3842 equivalent uc3842 application note UC3842 flyback
Text: controller IC, and supporting circuitry to perform soft start , leading edge blanking, slope compensation , cycle soft start . The UCC3802 has built in soft start fixed at 1V/ms. The UCC3809 has user programmable soft start by selecting a single capacitor. The shut down circuitry is the same in all three , result in lower start up and operating currents as compared to the bipolar UC3842 . As an added feature , Lockout/Hysteresis Max. Frequency Soft Start Leading Edge Blanking Output Drive Reference Voltage


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PDF DN-89 UC3842, UCC3802, UCC3809 UC3842 UCC3802 flyback uc3842 of ic uc3842 Datasheet of ic uc3842 UC3842 ON Semiconductor uc3842 application circuit IC UC3842 uc3842 equivalent uc3842 application note UC3842 flyback
1998 - 5v power supply with uc3842

Abstract: power supply with uc3842 power supply on ic uc3842 power supply design uc3842 uc3842 flyback uc3842 Datasheet of ic uc3842 power supply using uc3842 UC3842 p pwm flyback uc3842 power supply
Text: ) Leading Edge Blanking of Current Sense Signal On-Chip Soft Start Internal Full Cycle Restart Delay 1 , sense filter required 6. No soft start circuitry required 7. Auxiliary power (bootstrap winding) may , power-up soft start and fault soft start built on-chip with a fixed COMP rise time to 5V in 5ms. Therefore, NO EXTERNAL SOFT START CIRCUITRY IS REQUIRED saving 1 resistor, 1 capacitor, and 1 PNP , DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802


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PDF DN-42A UC3842 UCC3802 UCC3804 UCC3803 UCC3805 5v power supply with uc3842 power supply with uc3842 power supply on ic uc3842 power supply design uc3842 flyback uc3842 Datasheet of ic uc3842 power supply using uc3842 UC3842 p pwm flyback uc3842 power supply
1999 - ucc3804

Abstract: power supply design uc3842 UC3842 UCC3802 flyback uc3842 power supply using uc3842 of ic uc3842 UC3842 p pwm flyback uc3842 power supply UC3842 flyback
Text: ) Leading Edge Blanking of Current Sense Signal On-Chip Soft Start Internal Full Cycle Restart Delay 1 , sense filter required 6. No soft start circuitry required 7. Auxiliary power (bootstrap winding) may , power-up soft start and fault soft start built on-chip with a fixed COMP rise time to 5V in 5ms. Therefore, NO EXTERNAL SOFT START CIRCUITRY IS REQUIRED saving 1 resistor, 1 capacitor, and 1 PNP , DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802


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PDF DN-42A UC3842 UCC3802 ucc3804 power supply design uc3842 flyback uc3842 power supply using uc3842 of ic uc3842 UC3842 p pwm flyback uc3842 power supply UC3842 flyback
JC3842

Abstract: DN-42A UCC3804 uc3842 UCC3805 5v power supply with uc3842 CC-3802 pwm using uc3842 circuit UC3842 soft start UCC3803
Text: Current Sense Signal On-Chip Soft Start Internal Full Cycle Restart Delay 1% Voltage Reference Up to 1 MHz , current. The error amplifier associated with the UC3842 family is an open collector in parallel with a current source. The UCC3802 has power-up soft start and fault soft start built on-chip with a fixed CO M P , 6. No soft start circuitry required 7. Auxiliary power {bootstrap winding) may not be required 11 , DN-42A UIMITRODE Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW


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PDF DN-42A UC3842 UCC3802 UCC3804 UCC3803 UCC3805 JC3842 DN-42A 5v power supply with uc3842 CC-3802 pwm using uc3842 circuit UC3842 soft start
1999 - UCC3813-4

Abstract: pcb design on uc3842 SSYA008 UC3842 pinout UC3842 soft start pcb for uc3842 UCC3813-3 UCC3813 UC3842 Open Loop Circuit diagram UCC2813-X
Text: as the UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start and , as the UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start and , UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start and internal , as the UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start and , as the UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start and


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PDF UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 UCC3802, UC3842, UC3842A UCC3813-0/-1/-2/-3/-4/-5 UCC3813N-5 UCC3813PW-5 UCC3813PWTR-5 SSYA008 UCC3813-4 pcb design on uc3842 UC3842 pinout UC3842 soft start pcb for uc3842 UCC3813-3 UCC3813 UC3842 Open Loop Circuit diagram UCC2813-X
uc3842 unitrode 100 watt

Abstract: 24v dc power supply with uc3842 UCC2800 application note buck schematic UC3842 note buck converter non isolated UNITRODE applications handbook uc3842 -96 UC3843 in non isolated flyback converter UC3843 application note buck uc3843 12v 5a supply design UC3843 in non isolated boost converter UC3842 application 24V
Text: . · 500mA Typical Operating Supply Current · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal Leading-Edge Blanking of the Current Sense Signal · 1 Amp Totem-Pole , added features of internal full-cycle soft start and internal leading-edge blanking of the , 0.8 0.2 0.5 0.8 V 4 10 4 10 ms Soft Start Section COMP Rise Time FB , sensing, and exceeding the over-current threshold will cause a soft start cycle. COMP: COMP is the


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 100mA UCC1800/1/2/3/4/5 500mA UC3842 UC3842A/5 U-132. UCC3802 uc3842 unitrode 100 watt 24v dc power supply with uc3842 UCC2800 application note buck schematic UC3842 note buck converter non isolated UNITRODE applications handbook uc3842 -96 UC3843 in non isolated flyback converter UC3843 application note buck uc3843 12v 5a supply design UC3843 in non isolated boost converter UC3842 application 24V
1999 - 24v dc power supply with uc3842

Abstract: unitrode Applications Note U-96A UC3842 note buck converter non isolated 24v to 12v dc power supply with uc3842 uc3842 dc/dc converter 24v application circuits U-96A UCC3804 application UC3842 application 24V boost uc3842 application note uc3842 unitrode 100 watt
Text: applications. B. Undervoltage lockout C. Low operating current D. Internal soft start E. Self biasing , bootstrap supply 8.Internal soft start · Fewer external components 9.Internal full cycle restart , off the PWM output, but the soft start capacitor still continues to rise to 4V before being discharged , spaced by the time required to fully charge the soft start capacitor. Low leakage transformer designs , uses the internal soft start capacitor to generate a delay before retry is attempted. Often referred


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PDF U-133A UC3842 24v dc power supply with uc3842 unitrode Applications Note U-96A UC3842 note buck converter non isolated 24v to 12v dc power supply with uc3842 uc3842 dc/dc converter 24v application circuits U-96A UCC3804 application UC3842 application 24V boost uc3842 application note uc3842 unitrode 100 watt
1999 - buck uc3842 application note

Abstract: buck dc to dc uc3842 converter circuit diagram pcb design on uc3842 SLUA213 flyback uc3842 application note UC3842 sepic design U-133A SLUA158 SLUA084 SLUA149
Text: 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal Leading-Edge Blanking of the Current , configuration as the UC1842/3/4/5 family, and also offer the added features of internal full-cycle soft start , ; 0.1µF capacitor from VREF to GND. TA=TJ. PARAMETER Soft Start Section COMP Rise Time Overall Section , Start . Soft Start is implemented as a clamp on the maximum COMP voltage. CS: CS is the input to the , sensing, and exceeding the over-current threshold will cause a soft start cycle. FB: FB is the inverting


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UC3842 UC3842A UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 buck uc3842 application note buck dc to dc uc3842 converter circuit diagram pcb design on uc3842 SLUA213 flyback uc3842 application note UC3842 sepic design U-133A SLUA158 SLUA084 SLUA149
1997 - UC3842 note buck converter non isolated

Abstract: uc3842 unitrode 100 watt U-96A boost uc3842 application note UC3842 application 24V UCC3801 schematic unitrode Applications Note U-96A ucc3804 24v dc power supply with uc3842 buck uc3842 application note
Text: applications. B. Undervoltage lockout C. Low operating current D. Internal soft start E. Self biasing , bootstrap supply 8.Internal soft start · Fewer external components 9.Internal full cycle restart , off the PWM output, but the soft start capacitor still continues to rise to 4V before being discharged , spaced by the time required to fully charge the soft start capacitor. Low leakage transformer designs , uses the internal soft start capacitor to generate a delay before retry is attempted. Often referred


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PDF U-133A UC3842 hU-97 DN-42 UCC3802 UC3842 note buck converter non isolated uc3842 unitrode 100 watt U-96A boost uc3842 application note UC3842 application 24V UCC3801 schematic unitrode Applications Note U-96A ucc3804 24v dc power supply with uc3842 buck uc3842 application note
1999 - UCC1800

Abstract: buck dc to dc uc3842 converter circuit diagram UCCx805 UC3842 buck buck uc3842 application note sepic uc3842 SLUA158 DN-42A
Text: Supply Current · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal , internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC1800/1 , Hysteresis UCCx800 UCCx801 UCCx802/4 UCCx803/5 Soft Start Section COMP Rise Time Overall Section Start-up , features built-in full cycle Soft Start . Soft Start is implemented as a clamp on the maximum COMP voltage , a soft start cycle. FB: FB is the inverting input of the error amplifier. For best stability, keep


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UC3842 UC3842A UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 UCC1800 buck dc to dc uc3842 converter circuit diagram UCCx805 UC3842 buck buck uc3842 application note sepic uc3842 SLUA158 DN-42A
U-96A

Abstract: uc3842 unitrode 100 watt unitrode Applications Note U-96A pwm led driver using uc3842 UNITRODE u96A 24v to 5v dc power supply with uc3842 UC3842 note buck converter non isolated UCC3801 schematic 24v dc power supply with uc3842 u96A
Text: . Low start-up current B. Undervoltage lockout C. Low operating current D. Internal soft start E. Self , soft start 9. Internal full cycle restart 10. Clamped gate drive voltage 11. Current loop gain 12. E/A , output, but the soft start ca pacitor still continues to rise to 4V before being dis charged and , time required to fully charge the soft start capacitor. Low leakage transformer designs are recom , overcurrent comparator uses the internal soft start capacitor to generate a delay before retry is attempted


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PDF U-133A UC3842 PE-64973 U-96A uc3842 unitrode 100 watt unitrode Applications Note U-96A pwm led driver using uc3842 UNITRODE u96A 24v to 5v dc power supply with uc3842 UC3842 note buck converter non isolated UCC3801 schematic 24v dc power supply with uc3842 u96A
1999 - buck dc to dc uc3842 converter circuit diagram

Abstract: U133A CCFL INVERTER PINOUT 896KB UC3842 sepic design
Text: Supply Current · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal , internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC1800/1 , Hysteresis UCCx800 UCCx801 UCCx802/4 UCCx803/5 Soft Start Section COMP Rise Time Overall Section Start-up , features built-in full cycle Soft Start . Soft Start is implemented as a clamp on the maximum COMP voltage , a soft start cycle. FB: FB is the inverting input of the error amplifier. For best stability, keep


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UC3842 UC3842A UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 buck dc to dc uc3842 converter circuit diagram U133A CCFL INVERTER PINOUT 896KB UC3842 sepic design
2002 - UC3842 buck

Abstract: flyback ucc38c42 12vdc power supply with uc3842 boost uc3842 application note UC3842 buck uc3842 application note SLUA143 flyback uc3842 sync power supply design uc3842 sepic uc3842
Text: . . . 13 4.3 Soft Start Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . 13 12 Soft Start Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . , fully functional. Applications requiring a longer soft start period benefit from a wider UVLO , February 2002 4.3 Soft Start Techniques Soft start is the technique to gradually power up the , impedance compensation networks, but not hefty enough for driving large loads quickly. Soft start is


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PDF UCC38C42 SLUA257 UCC38C4x UC3842 buck flyback ucc38c42 12vdc power supply with uc3842 boost uc3842 application note UC3842 buck uc3842 application note SLUA143 flyback uc3842 sync power supply design uc3842 sepic uc3842
2002 - 12vdc power supply with uc3842

Abstract: SLUA257 boost uc3842 application note flyback ucc38c42 flyback uc3842 power supply uc3842 zener diode WZ1 30 SLUA143 buck dc to dc uc3842 converter circuit diagram Andreycak
Text: . . . 13 4.3 Soft Start Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . 13 12 Soft Start Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . , fully functional. Applications requiring a longer soft start period benefit from a wider UVLO , February 2001 4.3 Soft Start Techniques Soft start is the technique to gradually power up the , impedance compensation networks, but not hefty enough for driving large loads quickly. Soft start is


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PDF UCC38C42 SLUA257 UCC38C4x 12vdc power supply with uc3842 SLUA257 boost uc3842 application note flyback ucc38c42 flyback uc3842 power supply uc3842 zener diode WZ1 30 SLUA143 buck dc to dc uc3842 converter circuit diagram Andreycak
unitrode Applications Note U-96

Abstract: UC3642 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 forward converter uc3844 500w 500W boost converter uc3843 UC3843 application note buck UC3843 in isolated flyback converter UC3843 application note soft start
Text: APPLICATION NOTE U-100A THE UC3842 /3/4/5 SERIES OF CURRENT-MODE PWM IC'S DESCRIPTION The , circuits in clude under-voltage lockout featuring start up current less than 1 mA, a precision reference , Start Up Current (< 1 mA) · Automatic Feed Forward Compensation · Pulse-By-Pulse Current Limiting · , Error Amp 1C SELECTION GUIDE RECOMMENDED USAGE U V LO START 8.5V 16V MAXIMUM D U T Y C Y C L E <60% UC3845 UC3844 < 100% UC3843 UC3842 A P P L IC A T IO N (C IR C U IT ) FLYBACK


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PDF U-100A UC3842/3/4/5 UC1842/3/4/5 UC3642, UC3706, UC3901 U-101 unitrode Applications Note U-96 UC3642 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 forward converter uc3844 500w 500W boost converter uc3843 UC3843 application note buck UC3843 in isolated flyback converter UC3843 application note soft start
1999 - uc3842 buck

Abstract: UC3842 pinout U133A flyback ucc38c42 SLUA084 UCC2804 UCC280X UCC3813 buck SLUA158
Text: Supply Current · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal , internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC1800/1 , Hysteresis UCCx800 UCCx801 UCCx802/4 UCCx803/5 Soft Start Section COMP Rise Time Overall Section Start-up , features built-in full cycle Soft Start . Soft Start is implemented as a clamp on the maximum COMP voltage , a soft start cycle. FB: FB is the inverting input of the error amplifier. For best stability, keep


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UC3842 UC3842A UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 uc3842 buck UC3842 pinout U133A flyback ucc38c42 SLUA084 UCC2804 UCC280X UCC3813 buck SLUA158
1996 - UCC3813-4

Abstract: UCC3813-3 pwm led driver using uc3842/3/4/5 ucc-1813 UCC3813-2 UC3842 mosfet driver uc3842 gate driver UC3842A UCC3802 UCC1813-1
Text: the UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start and , switching power supplies with minimal parts count. · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal Leading-Edge Blanking of the Current Sense Signal · 1 Amp , -3/-5 Start to Stop Hysteresis UCC1813-0 0.2 0.5 0.8 V V Soft Start Section , over-current threshold will cause a soft start cycle. RC: RC is the oscillator timing pin. For fixed


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PDF UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 UCC3800 UCC1803/5 UCC1800/1/2/4 UCC3813-4 UCC3813-3 pwm led driver using uc3842/3/4/5 ucc-1813 UCC3813-2 UC3842 mosfet driver uc3842 gate driver UC3842A UCC3802 UCC1813-1
UCC1813

Abstract: UCC1813-1 UCC2813-X
Text: ¡lA Typical Operating Supply Current · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · , full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC3813-0/-1/-2/-3 , capacitor from VCC to GND; 0.1 nF capacitor from VREF to GND. T a = Tj. PARAMETER Soft Start Section COMP , features built-in full cycle Soft Start . Soft Start is implemented as a clamp on the maximum COMP voltage , sensing, and exceeding the over-current threshold will cause a soft start cycle. RC: RC is the oscillator


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PDF UCC2813-0/-1/-2/-3/-4/-5 UCC3813-Q/-1/-2/-3/-4/-5 UCC3802, UC3842, UC3842A UCC3813-0/-1/-2/-3/-4/-5 UCC3813-0/-2/-3 UCC2813-0/-1 UCC3813-0/-1 UCC3S13-0 UCC1813 UCC1813-1 UCC2813-X
UCC3813-4

Abstract: UCCx813
Text: configuration as the UC3842 /3/4/5 family, and also offer the added features of internal full-cycle soft start , Internal Soft Start Internal Fault Soft Start Internal Leading-Edge Blanking of the Current Sense Signal 1 , Stop Hysteresis UCCx813-0 UCCx813-1 UCCx813-2/-4 UCCx813-3/-5 Soft Start Section COMP Rise Time FB = 1 , to GND. The UCC3813 family features built-in full cycle Soft Start . Soft Start is implemented as a , threshold will cause a soft start cycle. RC: RC is the oscillator timing pin. For fixed frequency operation


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PDF UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1 UCC3813-0/-1/-2/-3/-4/-5 UCC3802ator UCC3813-3/-5 UCC3813-0/-2/-3 UCC3813-1/-4/-5 UCC3813-0 UCC3813-5 UCC3813-4 UCCx813
Not Available

Abstract: No abstract text available
Text: switching power supplies with minimal parts count. Operation to 1MHz • Internal Soft Start , offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. • Internal Fault Soft Start • Internal Leading-Edge Blanking of the , -2/-4 3.5 5.1 UCCx813-3/-5 0.2 4.2 0.5 V V 0.8 Soft Start Section COMP , COMP to GND. The UCC3813 family features built-in full cycle Soft Start . Soft Start is implemented as


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PDF UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1 UCC3813-0/-1/-2/-3/-4/-5 UC3842/3/4/5 UCC3813-1/-4/-5 UCC3813-0/-1/-2/-4 UCC3813-0/-1/-2/-3/-4/-5 0QlbQ40
capacitor cross reference

Abstract: E 99006
Text: IN ro available [| Economy Primary Side Controller FEATURES · User Programmable Soft Start With , otherwise specified, VDD = 12V. Ta = T j. PARAMETER Soft Start Section Iss Vss Low Shutdown Threshold , RT1 and timing capacitor CtSS: This pin serves two functions. The soft start timing capacitor connects to SS and is charged by an internal 6uA current source. Under normal soft start SS is discharged , charges from 1V to 2V soft start js implemented by an increasing output duty cycle. If SS is taken below


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PDF 100jiA UCC3809 U-165, UC3965 DN-89, UC3842, UCC3802, UDG-99006 capacitor cross reference E 99006
1999 - TA 81164

Abstract: map 3204
Text: Supply Current · Operation to 1MHz · Internal Soft Start · Internal Fault Soft Start · Internal , internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC1800/1 , Hysteresis UCCx800 UCCx801 UCCx802/4 UCCx803/5 Soft Start Section COMP Rise Time Overall Section Start-up , features built-in full cycle Soft Start . Soft Start is implemented as a clamp on the maximum COMP voltage , a soft start cycle. FB: FB is the inverting input of the error amplifier. For best stability, keep


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UC3842 UC3842A UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 TA 81164 map 3204
2002 - uc3842

Abstract: 12v dc power supply with uc3845 uc3843 uc3845 application smps uc3843 dc dc converter UC3844 uc3845 reference smps uc3845 uc3844 smps power supply uc3842 smps
Text: www.fairchildsemi.com UC3842 /UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start , The UC3842 /UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially , driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The , UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842 /UC3843/UC3844/UC3845


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PDF UC3842/UC3843/UC3844/UC3845 500KHz UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 12v dc power supply with uc3845 uc3845 application smps uc3843 dc dc converter uc3845 reference smps uc3844 smps power supply uc3842 smps
2002 - 12v dc power supply with uc3845

Abstract: uc3843 dc dc converter UC3845 dc dc applications uc3842 uc3845 smps UC3842 smps design UC3844 application note uc3843 dc 5v UC3843 UC3843 application note
Text: www.fairchildsemi.com UC3842 /UC3843/UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842 /UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are , output for driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The UC3844 and UC3845 can operate with 50% duty cycle. Low Start up Current Maximum


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 12v dc power supply with uc3845 uc3843 dc dc converter UC3845 dc dc applications uc3845 smps UC3842 smps design UC3844 application note uc3843 dc 5v UC3843 application note
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