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    L4990D Price and Stock

    Vishay Intertechnologies PATT0603L4990DGTS

    Res Thin Film 0603 499Ohm 0.5% 3/20W ±200ppm/°C Molded T/R - Bulk (Alt: PATT0603L4990DGTS)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas PATT0603L4990DGTS Bulk 34 Weeks 100
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    Vishay Intertechnologies PATT0603L4990DGT1

    Res Thin Film 0603 499Ohm 0.5% 3/20W ±200ppm/°C Molded T/R (Alt: PATT0603L4990DGT1)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas PATT0603L4990DGT1 34 Weeks 1,000
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    Vishay Intertechnologies PATT0603L4990DGTF

    Res Thin Film 0603 499Ohm 0.5% 3/20W ±200ppm/°C Molded T/R (Alt: PATT0603L4990DGTF)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas PATT0603L4990DGTF 34 Weeks 5,000
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    STMicroelectronics L4990D

    Swithed-Mode Power Supply Controller, Current Mode Type, 16 Pin, Plastic, SOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Quest Components L4990D 218
    • 1 $9
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    L4990D Datasheets (6)

    Part ECAD Model Manufacturer Description Curated Type PDF
    L4990D STMicroelectronics PRIMARY CONTROLLER Original PDF
    L4990D STMicroelectronics PRIMARY CONTROLLER Scan PDF
    L4990D STMicroelectronics PRIMARY CONTROLLER Scan PDF
    L4990D STMicroelectronics PRIMARY CONTROLLER Scan PDF
    L4990D STMicroelectronics PRIMARY CONTROLLER Scan PDF
    L4990D STMicroelectronics PRIMARY CONTROLLER Scan PDF

    L4990D Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    flyback smps 300w

    Abstract: bjt 2n2222 driver circuit variac used as a battery charger 12v 50 A battery charger smps schematic flyback transformer philips TV 29 inch schematic smps 300W BCD60II L4990 L4990A SO16W
    Text: L4990 L4990A  PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE


    Original     		PDF L4990 L4990A 100ns DIP16 SO16W DIP16 L4990/L4990A DIP16) L4990D/L4990AD flyback smps 300w bjt 2n2222 driver circuit variac used as a battery charger 12v 50 A battery charger smps schematic flyback transformer philips TV 29 inch schematic smps 300W BCD60II L4990 L4990A SO16W

    philips 3f3 ferrite

    Abstract: ac-dc adapter isolated feedback flyback converter L4990 circuits using BJT 2N2222 in transistor L4990A bjt 2n2222 driver circuit ACDC adaptor variac used as a battery charger T2A250V
    Text: L4990 L4990A PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE 100% AND 50% MAXIMUM DUTY CYCLE


    Original     		PDF L4990 L4990A 100ns DIP16 SO16W DIP16 L4990/L4990A DIP16) L4990D/L4990AD philips 3f3 ferrite ac-dc adapter isolated feedback flyback converter L4990 circuits using BJT 2N2222 in transistor L4990A bjt 2n2222 driver circuit ACDC adaptor variac used as a battery charger T2A250V

    uc3842 AC-DC application

    Abstract: 24v to 12v dc power supply with uc3842 switching adaptor output 12V circuit diagram uc3842 DC-DC application 24v to 5v dc power supply with uc3842 pcb for uc3842 flyback transfer function L4990
    Text: L4990 L4990A PRIMARY CONTROLLER PRODUCT PREVIEW CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.5mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE


    Original     		PDF L4990 L4990A 100ns DIP16 SO16W BCD60II DIP16 SO16W uc3842 AC-DC application 24v to 12v dc power supply with uc3842 switching adaptor output 12V circuit diagram uc3842 DC-DC application 24v to 5v dc power supply with uc3842 pcb for uc3842 flyback transfer function

    DARLINGTON TRANSISTOR ARRAYS 2A

    Abstract: ULN2001A SO8 half bridge converter 80V output 15A harddisk motor driver L293C DARLINGTON ARRAYS 3.3v Solenoid Driver Darlington 2a step down dc to dc regulator so8 push-pull converter 80V 15A 1.5A 2A voice coil Driver
    Text: INDUSTRIAL POWER CONTROLLERS & MOTOR DRIVERS SINGLE CHIP MULTIPOWER Type L6245 L6253 L6260 Description 5V Hard-Disk Drive Power Combo 12V High Power Combo 4.5/5-5V Disk Driver Spindle & VCM, Power & Control Combo’s Three Channels Multipower System Three Channels Multipower System


    Original     		PDF L6245 L6253 L6260 L6280 L6285 L6287 PQFP64 TQFP64 PLCC44 DARLINGTON TRANSISTOR ARRAYS 2A ULN2001A SO8 half bridge converter 80V output 15A harddisk motor driver L293C DARLINGTON ARRAYS 3.3v Solenoid Driver Darlington 2a step down dc to dc regulator so8 push-pull converter 80V 15A 1.5A 2A voice coil Driver

    philips 3f3 ferrite

    Abstract: smps 12 volt 3 amp T2A250V 12v 1a smps circuit diagram L4990 Z8070 BJT 2N2222 datasheet BYT11-600 l4990a schematic smps 300W
    Text: L4990 L4990A PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE 100% AND 50% MAXIMUM DUTY CYCLE


    Original     		PDF L4990 L4990A 100ns DIP16 SO16W DIP16 L4990/L4990A DIP16) L4990D/L4990AD philips 3f3 ferrite smps 12 volt 3 amp T2A250V 12v 1a smps circuit diagram L4990 Z8070 BJT 2N2222 datasheet BYT11-600 l4990a schematic smps 300W

    philips 3f3 ferrite

    Abstract: 1N4148 ST bjt 2n2222 driver circuit ac-dc adapter L4990A npn bjt 2N2222 bjt 2n2222 flyback smps 300w e cores transformer ST 2n2222 BCD60II
    Text: L4990 L4990A  PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE


    Original     		PDF L4990 L4990A 100ns DIP16 SO16W DIP16 L4990/L4990A DIP16) L4990D/L4990AD philips 3f3 ferrite 1N4148 ST bjt 2n2222 driver circuit ac-dc adapter L4990A npn bjt 2N2222 bjt 2n2222 flyback smps 300w e cores transformer ST 2n2222 BCD60II

    DARLINGTON ARRAYS 3.3v

    Abstract: ULN2001A SO8 L6232E L297D-L298N RDS modulator ESM1602B TDA0160 l293c TD300IN DARLINGTON TRANSISTOR ARRAYS 2A
    Text: INDUSTRIAL POWER CONTROLLERS & MOTOR DRIVERS SINGLE CHIP MULTIPOWER Type L6245 L6253 L6260 Description 5V Hard-Disk Drive Power Combo 12V High Power Combo 4.5/5-5V Disk Driver Spindle & VCM, Power & Control Combo’s Three Channels Multipower System Three Channels Multipower System


    Original     		PDF L6245 L6253 L6260 L6280 L6285 L6287 PQFP64 TQFP64 PLCC44 DARLINGTON ARRAYS 3.3v ULN2001A SO8 L6232E L297D-L298N RDS modulator ESM1602B TDA0160 l293c TD300IN DARLINGTON TRANSISTOR ARRAYS 2A

    Untitled

    Abstract: No abstract text available
    Text: L4990 L4990A PRIMARY CONTROLLER • ■ ■ ■ ■ ■ ■ . ■ ■ ■ ■ . ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1 A FULLY LATCHED PWM LOGIC WITH DOU­


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W BCD60II TECH20 DIP16 L4990

    TRANSISTOR KT 837

    Abstract: No abstract text available
    Text: S G S -1H 0M S 0 N ^7#« [üifl[| œ[llL[ECTffi[i 0©i L4990 L4990A r= 7 PRIMARY CONTROLLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W L4990 TRANSISTOR KT 837

    Untitled

    Abstract: No abstract text available
    Text: S G S -1H 0 M S 0 N L4990 L4990A > PRIMARY CONTROLLER PRODUCT PREVIEW CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.5mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1 A FULLY LATCHED PWM LOGIC WITH DOU­ BLE PULSE SUPPRESSION


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W BCD60II 7T2T537 L4990 7TE1E37

    Untitled

    Abstract: No abstract text available
    Text: f= 7 ^ •7 # . S G S -T H O M S O N L 4 9 9 0 H D g K @ g lU lC T 1 3 @ M lD ig i L 4 9 9 0 A PRIMARY CONTROLLER PRODUCT PREVIEW . • . . ■ . . . ■ ■ . . . ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP T 0 1MHz LOW START-UP CURRENT < 0.5mA


    OCR Scan     		PDF 100ns DIP16 S016W contr50 L4990 L4990A

    philips 3f3 ferrite

    Abstract: AN890 transistor KT 816 dz 300 AN-890
    Text: r ^ z j S G S -T H O M S O N 7 M« L4 9 9 0 Rffl[] g[^(Q [l[L[Igir[K]M D(gi L4 9 9 0 A PRIMARY CONTROLLER • ■ ■ ■ ■ ■ ■ . ■ . ■ ■ . ■ CURRENTT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1 MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE


    OCR Scan     		PDF 100ns DIP16 DIP16 S016W L4990/L4990A DIP16) L4990D/L4990AD S016W) philips 3f3 ferrite AN890 transistor KT 816 dz 300 AN-890

    uc3842 AC-DC application

    Abstract: L4998 24v dc power supply with uc3842 flyback transfer function 24v to 12v dc power supply with uc3842 CJ 4148 ZENER TI 81W 24v to 5v dc power supply with uc3842 UC3842 application 24V uc3842 dc/dc converter 24v application circuits
    Text: Æ 7 ^ 7 # L4990 L4990A S G S -T H O M S O N . R fflO Ê lO ilU ig lM IiD ig i PRIMARY CONTROLLER PRODUCT PREVIEW • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.5mA HIGH-CURRENT OUTPUT DRIVE SUITABLE


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W BCD60II GG772Gh L4990 DG77207 uc3842 AC-DC application L4998 24v dc power supply with uc3842 flyback transfer function 24v to 12v dc power supply with uc3842 CJ 4148 ZENER TI 81W 24v to 5v dc power supply with uc3842 UC3842 application 24V uc3842 dc/dc converter 24v application circuits

    Untitled

    Abstract: No abstract text available
    Text: L4990 L4990A PRIMARY CONTROLLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1 A FULLY LATCHED PWM LOGIC WITH DOU­


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W BCD60II L4990

    Untitled

    Abstract: No abstract text available
    Text: r = 7 S G S -T H O M S O N ^ 7 #« L4990 L4990A PRIMARY CONTROLLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1 A


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W BCD60II L4990

    24v to 12v dc power supply with uc3842

    Abstract: 24v dc power supply with uc3842 EFD25-3F3 BCD60II L4990 L4990A 24v to 5v dc power supply with uc3842 S6NF
    Text: 5 S G S -1 H 0 M S 0 N IIUIiBTTMIffllKSi^ Ï. L4990 L4990A PRIMARY CONTROLLER PRODUCT PREVIEW • ■ ■ ■ ■ . . . ■ ■ . . . ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP T 0 1MHz LOW START-UP CURRENT < 0.5mA HIGH-CURRENT OUTPUT DRIVE SUITABLE


    OCR Scan     		PDF L4990 L4990A 100ns DIP16 S016W BCD60II 00b7flll 24v to 12v dc power supply with uc3842 24v dc power supply with uc3842 EFD25-3F3 L4990A 24v to 5v dc power supply with uc3842 S6NF