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UC3843QTR Texas Instruments Current-Mode PWM Controller 20-PLCC 0 to 70 pdf Buy
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Part Manufacturer Description Last Check Distributor Ordering
UC3843AD Fairchild Semiconductor Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Rail/Tube (Alt: UC3843AD) (Aug 2016) Avnet Buy
UC3843AD Fairchild Semiconductor Switching Controllers PWM Control IC (Aug 2016) Mouser Electronics Buy
UC3843AD Microsemi IC REG CTRLR BUCK/BOOST 14SOIC (Nov 2016) Digi-Key Buy
UC3843AD Microsemi Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP 43 from $0.4250 (Oct 2016) Quest Components Buy
UC3843AD Motorola Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP 56 from $0.4250 (Oct 2016) Quest Components Buy
UC3843AD ON Semiconductor IC Date Code: MIX 1 (Nov 2016) Area51 Buy
UC3843AD ON Semiconductor Switching Controllers 52kHz 1A Current PWM (Aug 2016) Mouser Electronics Buy
UC3843AD ON Semiconductor Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP 57 from $0.4250 (Nov 2016) Quest Components Buy
UC3843AD ON Semiconductor N/A 610 from $0.32 (Nov 2016) Rochester Electronics Buy
UC3843AD Texas Instruments Current Mode PWM Controller 1A 14-Pin SOIC Tube - Rail/Tube (Alt: UC3843AD) 589 from $0.8683 (Nov 2016) Avnet Buy
UC3843AD Texas Instruments PMIC - Spannungsregler - DC-DC-Schaltkontroller Texas Instruments UC3843AD SOICN-14 6 from €1.55 (Sep 2016) Conrad Electronic Buy
UC3843AD Texas Instruments IC REG CTRLR MULT TOP 14SOIC 1,863 from $0.5440 (Nov 2016) Digi-Key Buy
UC3843AD Texas Instruments PWM CONTROLLER, 500KHZ, 7.6V-30V, SOIC14 47 from $0.69 (Nov 2016) element14 Asia-Pacific Buy
UC3843AD Texas Instruments PWM CONTROLLER, 500KHZ, 7.6V-30V, SOIC14 974 from £0.6840 (Nov 2016) Farnell element14 Buy
UC3843AD Texas Instruments Switching Controllers Current Mode 743 from $0.5420 (Nov 2016) Mouser Electronics Buy
UC3843AD Texas Instruments CURRENT MODE PWM CONTROLLER, 25V, SOIC-14; Input Voltage:25V; Output Voltage:15V; Output Current:1A; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:SOIC; No. of Pins:14; Frequency:450kHz; Packaging:Each ;RoHS Compliant: Yes from $0.5320 (Nov 2016) Newark element14 Buy
UC3843AD Texas Instruments Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP 44 from $0.4250 (Nov 2016) Quest Components Buy
UC3843AD Texas Instruments N/A 1,795 from $0.63 (Nov 2016) Rochester Electronics Buy
UC3843AD Texas Instruments Current Mode PWM Controller 2,029 from $0.50 (Nov 2016) Texas Instruments Buy
UC3843AD Texas Instruments Current Mode PWM Controller 1A 14-Pin SOIC Tube 4,550 from $0.4788 (Nov 2016) Verical Buy

UC3843 buck converter application note

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: U-100A U-100A APPLICATION NOTE UC3842/3/4/5 UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL INTRODUCTION , system in a typical buck regulator application. A clock signal initiates power pulses at a fixed , variations exclusively. This application note provides a functional description of the UC3842 UC3842 family and , verror vsense latch output Figure 1. Two-Loop Current-Mode Control System 3-53 APPLICATION NOTE , Current Designs 3-54 APPLICATION NOTE U-100A U-100A THE UC3842/3/4/5 UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC ... Texas Instruments
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datasheet

14 pages,
488.58 Kb

uc3843 boost UC3842 step up converter UC3842 note buck converter non isolated 48v UC3843 UC3843 in isolated flyback converter uc3842 half bridge uc3842 buck UC3843 Boost converter buck uc3842 application note UC3845 buck uc3642 UC3844 flyback application note U-100A UC3842/3/4/5 unitrode Applications Note U-96 U-100A UC3842/3/4/5 uc3843 step up U-100A UC3842/3/4/5 UC3843 buck converter application note U-100A UC3842/3/4/5 forward converter uc3844 500w U-100A UC3842/3/4/5 UC3843 step up converter U-100A UC3842/3/4/5 UC3843 application note buck U-100A UC3842/3/4/5 UC3845 application note buck U-100A UC3842/3/4/5 U-100A U-100A UC3842/3/4/5 UC3842/3/4/5 TEXT
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Abstract: APPLICATION NOTE MAXIMUM DUTY CYCLE The UC3842 UC3842 and UC3843 have a maximum duty cycle of approximately 100 , APPLICATION NOTE U-100A U-100A THE UC3842/3/4/5 UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC'S DESCRIPTION The , Number 2. Toggle flip flop used only in 1844A and 1845A. Figure 4 3-534 APPLICATION NOTE , Figure 11. Transformer-Coupled Current Sensing 3-536 APPLICATION NOTE U-100A U-100A Figure 12 , Configuration 3-537 APPLICATION NOTE E/A input bias curret (2 max) flows through R|, result ing in a DC ... OCR Scan
datasheet

12 pages,
525.59 Kb

,UC3843 in isolated flyback converter uc3843 basic application circuit forward converter UC3843 uc3842 48V isolation flyback uc3843 application uc3842 half bridge uc3842 full bridge flyback transformer design uc3842 unitrode Applications Note uc3843 UC3843 buck converter application note UC3843 application note soft start U-100A UC3842/3/4/5 UC3843 in isolated flyback converter U-100A UC3842/3/4/5 UC3843 application note buck U-100A UC3842/3/4/5 forward converter uc3844 500w U-100A UC3842/3/4/5 500W boost converter uc3843 U-100A UC3842/3/4/5 unitrode Application Note U-96 U-100A UC3842/3/4/5 U-101 unitrode U-100A UC3842/3/4/5 UC3642 U-100A UC3842/3/4/5 unitrode Applications Note U-96 U-100A UC3842/3/4/5 U-100A U-100A UC3842/3/4/5 UC3842/3/4/5 TEXT
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Abstract: Philips Semiconductors Application note 87C751 87C751 fast NiCad charger AN439 AN439 and a charge time of , chance to become significant. DESCRIPTION This application note describes a portable standalone , microcontroller techniques described in this application note are a state machine, a low-cost, high-resolution , application note, the timer is used as a `tick-timer', scheduling events and measuring periods. The ports are , 1993 2355 Philips Semiconductors Application note 87C751 87C751 fast NiCad charger AN439 AN439 ... Philips Semiconductors
Original
datasheet

14 pages,
101.93 Kb

schematic diagram 12v battery charger nicad charger unitrode Applications Note uc3843 uc3843 boost forward converter UC3843 buck uc3843 uc3843 battery charger schematic uc3843 control constant current uc3843 fet driver UC3843 Boost BLOCK DIAGRAM UC3843 in isolated flyback converter AN439 87C751 UC3843 led driver AN439 87C751 uc3843 buck converter AN439 87C751 uc3843 dc to dc converter schematic AN439 87C751 UC3843 flyback charger AN439 87C751 application UC3843 for led driver AN439 87C751 UC3843 application note buck schematic AN439 87C751 UC3843 Boost converter AN439 87C751 UC3843 application note buck AN439 87C751 UC3843 buck converter application note AN439 87C751 AN439 AN439 87C751 87C751 TEXT
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Abstract: Philips Semiconductors Application note 87C751 87C751 fast NiCad charger DESCRIPTION This application note describes a portable standalone, automatic constant current NiCad battery charger using the , rate requirements. A number of key microcontroller techniques described in this application note are , structure, a bidirectional I2C serial bus interface and an on-chip oscillator. In this application note , Figure 1. Block Diagram June 1993 1 Philips Semiconductors Application note 87C751 87C751 fast ... Philips Semiconductors
Original
datasheet

12 pages,
99.19 Kb

AN439 flyback uc3843 application uc3843 ICL7667 UC3843 led driver uc3843 fet driver application UC3843 for led driver forward converter UC3843 uc3843 boost uc3843 control constant current UNITRODE buck converters UC3843 in isolated flyback converter uc3843 buck converter 87C751 buck uc3843 87C751 uc3843 dc to dc converter schematic 87C751 UC3843 application note buck schematic 87C751 UC3843 Boost converter 87C751 UC3843 buck converter application note 87C751 UC3843 application note buck 87C751 87C751 87C751 TEXT
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Abstract: Philips Semiconductors Application note 87C751 87C751 fast NiCad charger AN439 AN439 and a charge , they have a chance to become significant. DESCRIPTION This application note describes a portable , microcontroller techniques described in this application note are a state machine, a low-cost, high-resolution , application note, the timer is used as a `tick-timer', scheduling events and measuring periods. The ports are , 1993 5-64 Philips Semiconductors Application note 87C751 87C751 fast NiCad charger AN439 AN439 ... Philips Semiconductors
Original
datasheet

12 pages,
104.04 Kb

uc3843 dc dc converter uc3843 buck converter UC3843 application note MOSFET uc3843 UC3843 buck uc3843 battery charger schematic uc3843 control constant current flyback uc3843 forward converter UC3843 UC3843 led driver application UC3843 for led driver uc3843 fet driver 87C751 UC3843 in isolated flyback converter 87C751 UC3843 Boost BLOCK DIAGRAM 87C751 uc3843 boost 87C751 uc3843 dc to dc converter schematic 87C751 UC3843 application note buck schematic 87C751 UC3843 buck converter application note 87C751 UC3843 Boost converter 87C751 UC3843 application note buck 87C751 87C751 87C751 TEXT
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Abstract: U-100A U-100A APPLICATION NOTE UC3842/3/4/5 UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL INTRODUCTION , system in a typical buck regulator application. A clock signal initiates power pulses at a fixed , variations exclusively. This application note provides a functional description of the UC3842 UC3842 family and , verror vsense latch output Figure 1. Two-Loop Current-Mode Control System 3-53 APPLICATION NOTE , Current Designs 3-54 APPLICATION NOTE U-100A U-100A THE UC3842/3/4/5 UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC ... Texas Instruments
Original
datasheet

15 pages,
496.05 Kb

flyback uc3843 uc3842 48V isolation uc3843 boost unitrode Applications Note uc3843 flyback uc3843 application uc3842 half bridge UC3843 Boost converter UC3845 application note buck UC3843 step up converter UC3842 step up converter uc3843 step up UC3843 buck converter application note U-100A UC3842/3/4/5 uc3642 U-100A UC3842/3/4/5 UC3843 application note buck U-100A UC3842/3/4/5 forward converter uc3844 500w U-100A UC3842/3/4/5 unitrode Applications Note U-96 U-100A UC3842/3/4/5 UC3843 in isolated flyback converter U-100A UC3842/3/4/5 U-100A U-100A UC3842/3/4/5 UC3842/3/4/5 TEXT
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Abstract: U-100A U-100A _ U N ITR O D E APPLICATION NOTE UC3842/3/4/5 UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL , regulators and for driving power MOSFETs or transistors. This application note provides a functional description of the UC3842 UC3842 family and highlights the features of each in dividual member, the UC3842 UC3842, UC3843 , Current-Mode Control System 3-532 APPLICATION NOTE error-voltage-controlleci-current-source for the , . CURRENT-MODE CONTROL Figure 1 shows the two-loop current-mode control system in a typical buck regulator ... OCR Scan
datasheet

2 pages,
106.97 Kb

application uc3842 UC3842 p pwm UC3842 ON Semiconductor UC3842 application note buck UC3842 buck power supply on ic uc3842 U-100A uc3842 power supply uc3843 buck converter U100A power supply with uc3842 UC3845 buck uc3842 buck uc3843 buck uc3842 application note uc3842 equivalent UC3843 buck converter application note UC3845 application note buck uc3842 application circuit UC3843 application note buck UC3842/3/4/5 UC3842 UC3843 UC3844 UC3845 TEXT
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Abstract: greater depth in Micrel's new Application Note 18; complete equations are furnished and explained to allow you to customize this design for your own unique needs. Application Note 18 can also be obtained from , 1 6 8 L1b 7 3 C4 0.22uF R3 3.32k R1 VOUT = 1.24V 1 + R2 SEPIC Converter Topology , system components and the LCD display are not the same, a buck converter (+5V to +3.3V) or a boost converter (+3.3V to +5V) is used. Micrel has two products which are ideal for these applications. Buck ... Micrel Semiconductor
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datasheet

8 pages,
230.79 Kb

24v to 5v dc power supply with uc3842 U6939-D UC3843 step up converter 24v dc power supply with uc3842 uc3842 and tl431 LM2577 sepic LM2576 INVERTER uc3843 dc dc step down converter 24v dc power supply with uc3844 UC3843 sepic converter uc3844 schematic diagram 24v dc dc UC3843 application note buck MIC2177/78/79 uc3845 buck converter schematic MIC2177/78/79 555 timer for boost converter MIC2177/78/79 flyback uc3842 tl431 MIC2177/78/79 UC3843 sepic step up converter MIC2177/78/79 UC3842 design with TL431 MIC2177/78/79 uc3845 sepic MIC2177/78/79 pwm schematic inverter uc3844 MIC2177/78/79 flyback uc3843 tl431 18V MIC2177/78/79 MIC2177/78/79 MIC2177/78/79 TEXT
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Abstract: 's new Application Note 18; complete equations are furnished and explained to allow you to customize this design for your own unique needs. Application Note 18 can also be obtained from Micrel's website , system components and the LCD display are not the same, a buck converter (+5V to +3.3V) or a boost converter (+3.3V to +5V) is used. Micrel has two products which are ideal for these applications. Buck Solution The function of a buck converter is to step-down the input voltage. Micrel's MIC2179 MIC2179 is a high ... Micrel Semiconductor
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datasheet

8 pages,
190.48 Kb

uc3843 12v to 24v 24v dc power supply with uc3844 UC3842 design with TL431 555 timer for boost converter 24v dc power supply with uc3842 UC3843 step up converter UC3845 buck UC3843 sepic step up converter PWM converter DC-DC 24v 5v DIP-8 UC3843 application note buck uc3843 dc to dc converter schematic uc3843 boost uc3844 schematic diagram 24v dc dc UC3843 buck converter application note UC3843 application note buck schematic flyback uc3843 tl431 18V UC3843 Boost converter flyback uc3842 tl431 pwm schematic inverter uc3844 TEXT
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Abstract: Separate Oscillator/ Synchronization Terminal Application/Design Note + New Product DC-DC and Battery , ApplicationlDesign Note Voltage Mnrle Controllers ¡uniit'ili Application irj TRI1HE PART IMIJV u n s ;* / + , Oscillator! Synchronization Terminal Application/Design Note 1 + New Product Y DN-65 DN-65 DN-28 DN-28 DN-28 DN-28 Y DN , Separate Oscillator! Synchronization Terminal Application/Design Note + New Product y rd ! t I-: n , -C .i i>\ 'À ¡Ì + DC-DC and Battery Buck, Boost 1.5% 1A 1MHz Single, Totem Pole 100)xA Y Y !JC I I ,]d ... OCR Scan
datasheet

16 pages,
575.05 Kb

UC3843 flyback application note uc3843 buck converter U-136 uc3843 12v to 40v buck uc3843 hep 154 diode U136 UC3824 boost converter uc3843 b 12v 5a supply design UC3843 buck converter application note uc3843 12v 5a supply design UC3843 application note buck flyback uc3843 application UC3843 in isolated flyback converter UC3824 buck UC3824 buck boost converter uc3843 flyback opto-coupler buck uc3843 5A uc3843 flyback supply opto-coupler UC3843 application note soft start TEXT
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Archived Files

Abstract Saved from Date Saved File Size Type Download
Separate Oscillator/ Synchronization Terminal           Application/Design Note UCC3805 UCC3805 UCC3806 UCC3806 UCC3807 UCC3807 + UCC3808 UCC3808 + Application Off-line DC-DC Oscillator/ Synchronization Terminal     Y     Application/Design Note UCC3813-1 UCC3813-1 + UCC3813-2 UCC3813-2 + Application Isolated Off-line, DC-DC Primary Controller / Synchronization Terminal       Y Y Application/Design Note DN-65 DN-65 , U-133A U-133A
/datasheets/files/unitrode/catalog/products/powsup/powsup-s.htm
Unitrode 30/06/1998 281.34 Kb HTM powsup-s.htm
Separate Oscillator/ Synchronization Terminal           Application/Design Note UCC3805 UCC3805 UCC3806 UCC3806 UCC3807 UCC3807 + UCC3808 UCC3808 + Application Off-line DC-DC Oscillator/ Synchronization Terminal     Y     Application/Design Note UCC3813-1 UCC3813-1 + UCC3813-2 UCC3813-2 + Application Isolated Off-line, DC-DC Primary Controller / Synchronization Terminal       Y Y Application/Design Note DN-65 DN-65 , U-133A U-133A
/datasheets/files/unitrode/catalog/products/powsup/pow-sg.htm
Unitrode 30/06/1998 281.48 Kb HTM pow-sg.htm