L5991 Search Results

L5991A

Abstract: STD2N50 BCD60II L5991 mains filter
Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY PRODUCT PREVIEW CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 140µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION

Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE

l5991

Abstract: T3.15A 250V 500C 500KHZ BCD60II L4981A L5991D
Contextual Info: SGS-THOMSON L5991 M g[M Si TT[sM O (§i PRIMARY CONTROLLER WITH STANDBY PRO DU CT PREVIEW • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . C U R R E N T -M O D E C O N TR O L PW M SW ITC H IN G F R E Q U E N C Y UP TO 1 M Hz LOW STA R T-U P C U R R E N T (< 150|xA

L5991A

Abstract: l5991 T3.15A 250V 500KHZ BCD60II L5991AD
Contextual Info: - , L5991 L5991A S G S -T H O M S O N k7 # . RfflDtgœHILIÊ'înSORÔDtgS PRIMARY CONTROLLER WITH STANDBY P R O D U C T P R E V IE W • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . C U R R E N T -M O D E C O N TR O L PW M SW ITC H IN G F R E Q U E N C Y UP TO 1 M Hz

nf913

Abstract: L5991A L5991 D97IN507 T3.15A 250V 500KHZ BCD60II
Contextual Info: - , L5991 L5991A S G S -T H O M S O N k7 # . RfflDtgœHILIÊ'înSORÔDtgS PRIMARY CONTROLLER WITH STANDBY P R O D U C T P R E V IE W • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . C U R R E N T -M O D E C O N TR O L PW M SW ITC H IN G F R E Q U E N C Y UP TO 1 M Hz

L5991A

Abstract: BYW-100-100 l5991 BCD60II L5991D mos fet 4925
Contextual Info: L5991 L5991A  PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE

smps isolated 15v output 90w

Abstract: Electronic ballast 40W 12v to 220v step up transformer 1N53XX 65W flyback transformer construction l5991 DCM flyback transfer function Control 4N35 UC3842A MONITOR POWER SUPPLY IC 4N35
Contextual Info: AN1049 APPLICATION NOTE  MINIMIZE POWER LOSSES OF LIGHTLY LOADED FLYBACK CONVERTERS WITH THE L5991 PWM CONTROLLER by Claudio Adragna The L5991 PWM controller is particularly suitable for SMPS of equipment that must comply with standards concerning energy saving. The device, optimized for flyback topology, monitors the power

T2A250V

Abstract: pwm lm393 controller Philips Components, transformer core l5991 philips 3C85 LM393B BYW29-200 zener diode PC917 1N4148 BYW29-200
Contextual Info: AN1686 APPLICATION NOTE AN L5991-BASED CONVERTER WITH TEMPORARY EXTRA POWER CAPABILITY by C. Adragna In some applications the SMPS, normally supposed to deliver a certain amount of power, from time to time undergoes load peaks that can be even two or more times as much. Such peaks are often too long

HICCUP

Abstract: l5991 L5993 12 pulse ac-dc converter 1N4148 AN1134 AN1215 BC327 L5991 equivalent
Contextual Info: AN1215 APPLICATION NOTE HOW TO HANDLE SHORT CIRCUIT CONDITIONS WITH ST’s ADVANCED PWM CONTROLLERS by Claudio Adragna & Giuseppe Gattavari Purpose of this note is to provide some advice on how to manage a short circuit condition for a switching converter controlled by ST's advanced PWM controllers L5991 and L5993.

L5991A

Abstract: rt133 BCD60II L5991 L5991AD RT112
Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE

Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 140pA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1 A) FULLY LATCHED PWM LOGIC WITH DOU­

L5991A

Abstract: 1101GB ac-dc 18V Charger 1101g D96IN439 L5991 AN1620 BC337 STPS8H100D STTH1L06
Contextual Info: AN1620 APPLICATION NOTE 25W OFF-LINE AUTORANGING BATTERY CHARGER WITH L5991A by Domenico Arrigo INTRODUCTION This note describes an off-line autoranging 85Vac-264Vac battery charger designed to operate in three different functional modes: – constant voltage

Contextual Info: L5991 L5991A  PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE

n22K

Abstract: t3.15a 250v L5991A 07l v3 L5991 BCD60II
Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY • ■ ■ ■ ■ ■ ■ ■ . ■ ■ ■ ■ . . C U R R E N T -M O D E C O N TR O L PW M SW ITC H IN G F R E Q U E N C Y UP TO 1 M Hz LOW STA R T-U P C U R R E N T < 120|xA H IG H -C U R R EN T O U TP U T D R IVE SUITABLE

L5991A

Abstract: l5991 BCD60II
Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE

T3.15A 250V

Abstract: KT 100 VT243 bc337 darlington equivalent 5W zener diode sgs-thomson T3.15A L 250V L5991 l5991a BCD60II
Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY PRODUCT PREVIEW CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 140µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION

L5991A

Abstract: NA60F L5991D NA60FI l5991 BCD60II L-599 6800pF 100v
Contextual Info: L5991 L5991A  PRIMARY CONTROLLER WITH STANDBY CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120µA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A) FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE

l6561 flyback pfc led

Abstract: BC547 transistor rc phase shift oscillator circuit diagram BC547 transistor rc phase shift oscillator schematic diagram ac-dc supply Circuit diagram of 1W LED drive l6561 BC547 AN1537 application l6561 LED l5991 R-20180
Contextual Info: AN1537 APPLICATION NOTE A SIMPLE TRICK ENHANCES L5991’s STANDBY FUNCTION by C. Adragna and G. Gattavari This application notes describes a simple technique that allows improving the Standby function of the advanced PWM controller L5991. The price to pay for that is the addition of just two resistors and two

T2A250V

Abstract: AN1134 DC DC converter 1A 400V TO 220 Package bridge RECTIFIER GI l5991 STP7NB60FI 1N4148 BYW29-200 BZW06-154 DF04M
Contextual Info: AN1134 APPLICATION NOTE 45W AC-DC ADAPTER WITH STANDBY FUNCTION by Claudio Adragna Purpose of this note is to provide a brief summary of the specifications and the functionality of the evaluation board implementing a 45W, wide-range mains AC-DC adapter, based on the L5991 current mode PWM controller.

1N4007 RECTIFIER DIODE

Abstract: arcotronics 1.27.4 t2a fuse 12v 60w smps 1N4007 50Hz bridge rectifier diode DEHR33A222K 12V 2A SMPS circuit diagram epcos etd34 1N4007 diode PIV rating ARCOTRONICS R46 KI 3220
Contextual Info: AN1842 APPLICATION NOTE 60W WIDE-RANGE POWER SUPPLY FOR LCD MONITOR OR TV, USING THE L5991 by Claudio Spini This document describes a reference design for a 60W Switch Mode Power Supply dedicated to LCD TV sets or monitors. The board accepts full range input voltage 90 to 265Vrms and delivers 5V and

Contextual Info: _ >7/ L5991 L5991A PRIMARY CONTROLLER WITH STANDBY • ■ ■ ■ ■ ■ ■ ■ . ■ ■ ■ ■ . ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120pA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1 A) FULLY LATCHED PWM LOGIC WITH DOU­

Contextual Info: _ >7/ L5991 L5991A PRIMARY CONTROLLER WITH STANDBY • ■ ■ ■ ■ ■ ■ ■ . ■ ■ ■ ■ . ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 120pA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1 A) FULLY LATCHED PWM LOGIC WITH DOU­

Contextual Info: r= 7 S G S -1 H 0 M S 0 N ^7#« [üifl[| œ[llL[ECTffi[i 0©i L5991 L5991A PRIMARY CONTROLLER WITH STANDBY PR O D U C T PREVIEW • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1 MHz LOW S T A R T -U P C U R R E N T < 1 50|jA

ls991

Abstract: t3.15a 250v L5991A Bipolar IC For Switching Power Supply Contro l5991 500KHZ BCD60II nf913
Contextual Info: L5991 L5991A PRIMARY CONTROLLER WITH STANDBY • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ . C U R R E N T -M O D E C O N TR O L PW M SW ITC H IN G F R E Q U E N C Y UP TO 1 M Hz LOW STA R T-U P C U R R E N T < 140|xA H IG H -C U R R EN T O U TP U T D R IVE SUITABLE