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Catalog Datasheet	MFG & Type	Document Tags	PDF
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	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	PDF
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	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	PDF
ETD39 12v Abstract: FBU FAGOR 4m 1W zener diode OF SGS-THOMSON capacitor KMH 9t18 etd39 KMH Series bc337 pin out diagram TCDT1101GB LXF CAPACITORS Text: APPLICATION NOTE LOW COST ACTIVE CLAMP FOR HIGH FREQUENCY APPLICATIONS by Nicola Tricomi INTRODUCTION Purpose of this application is to describe a singleswitch forward converter with two outputs, 5V20A and 12V-4A, with an active clamp system. This is an application close to Personal Computer	Original	5V20A ETD39 12v FBU FAGOR 4m 1W zener diode OF SGS-THOMSON capacitor KMH 9t18 etd39 KMH Series bc337 pin out diagram TCDT1101GB LXF CAPACITORS	PDF
TCDT1101GB Abstract: FBU FAGOR 4m STK2N60 9t18 4AC16 PCIM96 34t1 ETD39 TRANSFORMER cc10n zener 1n4148 Text: APPLICATION NOTE LOW COST ACTIVE CLAMP FOR HIGH FREQUENCY APPLICATIONS by Nicola Tricomi INTRODUCTION Purpose of this application is to describe a singleswitch forward converter with two outputs, 5V20A and 12V-4A, with an active clamp system. This is an application close to Personal Computer	Original	5V20A TCDT1101GB FBU FAGOR 4m STK2N60 9t18 4AC16 PCIM96 34t1 ETD39 TRANSFORMER cc10n zener 1n4148	PDF
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	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	PDF
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	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	PDF
forward converter using active clamp Abstract: TCDT1101GB ncc cap ETD39 12v fbu 8k L4990 L6380 12V-4A ETD39 220vac to 220vac voltage converter schematic Text: APPLICATION NOTE LOW COST ACTIVE CLAMP FOR HIGH FREQUENCY APPLICATIONS by Nicola Tricomi INTRODUCTION Purpose of this application is to describe a singleswitch forward converter with two outputs, 5V20A and 12V-4A, with an active clamp system. This is an application close to Personal Computer	Original	5V20A forward converter using active clamp TCDT1101GB ncc cap ETD39 12v fbu 8k L4990 L6380 12V-4A ETD39 220vac to 220vac voltage converter schematic	PDF
ETD39 12v Abstract: TCDT1101GB ETD39 L4990 240VDC VOLtage regulator etd39 vertical L6380 12V-4A AN881 LXF CAPACITORS Text: AN881 Application note Low cost active clamp for high frequency applications Introduction Purpose of this application is to describe a singleswitch forward converter with two outputs, 5V- 20A and 12V-4A, with an active clamp system. This is an application close to personal computer and logic cards power supplies. For the	Original	AN881 ETD39 12v TCDT1101GB ETD39 L4990 240VDC VOLtage regulator etd39 vertical L6380 12V-4A AN881 LXF CAPACITORS	PDF
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	L4990 L4990A 100ns DIP16 S016W BCD60II TECH20 DIP16 L4990	PDF
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	L4990 L4990A 100ns DIP16 S016W L4990 TRANSISTOR KT 837	PDF
300W HI FI AMPLIFIER Abstract: L4998 flyback smps 300w T2A250V 220 volt double pole switch circuit diagram schematic smps 300W BCD60II L4990 L4990A bjt 2n2222 driver circuit Text: - , k7 # . L4990 L4990A S G S -T H O M S O N R f f l D t g œ H I L I Ê 'î n S O R Ô D t g S PRIM ARY CO NTRO LLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA	OCR Scan	L4990 L4990A 100ns DIP16 S016W BCD60II 300W HI FI AMPLIFIER L4998 flyback smps 300w T2A250V 220 volt double pole switch circuit diagram schematic smps 300W L4990A bjt 2n2222 driver circuit	PDF
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	100ns DIP16 DIP16 S016W L4990/L4990A DIP16) L4990D/L4990AD S016W) philips 3f3 ferrite AN890 transistor KT 816 dz 300 AN-890	PDF
philips 3f3 ferrite Abstract: AN890 variac used as a battery charger 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	100ns DIP16 DIP16 S016W L4990/L4990A DIP16) L4990 D/L4990AD S016W) philips 3f3 ferrite AN890 variac used as a battery charger	PDF
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	L4990 L4990A 100ns DIP16 S016W BCD60II L4990	PDF

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	L4990 L4990A 100ns DIP16 S016W BCD60II L4990	PDF
L4998 Abstract: schematic smps 300W L4990 1N4148 ST TWT Wiring variac used as a battery charger BCD60II L4990A flyback smps battery charger design using ice STPS20100CT Text: - , k7 # . L4990 L4990A S G S -T H O M S O N R f f l D t g œ H I L I Ê 'î n S O R Ô D t g S PRIM ARY CO NTRO LLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA	OCR Scan	L4990 L4990A 100ns DIP16 S016W BCD60II L4998 schematic smps 300W 1N4148 ST TWT Wiring variac used as a battery charger L4990A flyback smps battery charger design using ice STPS20100CT	PDF
L4998 Abstract: b/w tv schematics smps circuit diagram of 300W variac used as a battery charger 12 VOLT 10 AMP smps circuit diagrams flyback smps 300w e cores transformer gate drive circuit for interleaved active clamp flyback forward converter L4990 btw 70.200 transistor ge c137 Text: T L4990 L4990A / PR IM AR Y C O N TR O LLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . 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 DOU	OCR Scan	L4990 L4990A 100ns DIP16 S016W BCD60II L4998 b/w tv schematics smps circuit diagram of 300W variac used as a battery charger 12 VOLT 10 AMP smps circuit diagrams flyback smps 300w e cores transformer gate drive circuit for interleaved active clamp flyback forward converter btw 70.200 transistor ge c137	PDF
L4998 Abstract: flyback smps battery charger design using ice Switching mode power adaptor 12v 0,5a CB 4925 B equivalent ic flyback transformer philips TV 29 inch philips 3f3 ferrite btw 70.200 transistor schematic smps 300W L4990 L4990A Text: - , k7 # . L4990 L4990A S G S -T H O M S O N R f f l D t g œ H I L I Ê 'î n S O R Ô D t g S PRIM ARY CO NTRO LLER • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA	OCR Scan	L4990 L4990A 100ns DIP16 S016W BCD60II L4998 flyback smps battery charger design using ice Switching mode power adaptor 12v 0,5a CB 4925 B equivalent ic flyback transformer philips TV 29 inch philips 3f3 ferrite btw 70.200 transistor schematic smps 300W L4990A	PDF