The Datasheet Archive

UC384X datasheet (18)

Part Manufacturer Description Type PDF
UC384xA Microsemi PWM Controller Original PDF
UC384XBD Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBD On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBD1 Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBD1 On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBD1R2 On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBDR2 On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBN Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBN On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384xBNG On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVD Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVD On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVD1 Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVD1 On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVD1R2 On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVDR2 On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVN Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF
UC384XBVN On Semiconductor HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original PDF

UC384X Datasheets Context Search

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UC2845* application note

Abstract: UC384x application UC284X UC3844P UC2844P 12Vto25V UNITRODE UC2844 UC3842P CX845
Text: 606 UC284X, UC384X , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B - JANUARY 1989 - REVISE D , , UC384X , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B - JANUARY 1989 - REVISED AUGUST 1995 , BOX 655303 · DALLAS, TEXAS 75265 UC284X, UC384X , UC384xY CURRENT-MODE CONTROLLERS SLVSQ38B - , UC284X, UC384X , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B - JANUARY 1989 - REVISED AUGUST 1995 , DALLAS, TEXAS 75265 UC284X, UC384X , UC384xY CURRENT-MODE CONTROLLERS SLVS038B - JANUARY 1989 -


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PDF UC284X, UC384X, UC384xY SLVS038B 500-kHz UC2842 UC3842 UC2845* application note UC384x application UC284X UC3844P UC2844P 12Vto25V UNITRODE UC2844 UC3842P CX845
UC38430

Abstract: UC2845* application note UC384x application UC3842P UCx842 UC384xY UCX844 uc38450 UC3845P UC384x
Text: ■UC284X, UC384X , UC384xY I CURRENT-MODE PWM CONTROLLERS B_SLVS036B-JANUARY 1989 , , UC384X , UC384xY I CURRENT-MODE PWM CONTROLLERS SLVS038B - JANUARY 1969 - REVISED AUGUST 1995 , Service CopyRight 2003 ■UC284X, UC384X , UC384xY I CURRENT-MODE PWM CONTROLLERS _SLVSQ38B - , characteristics similar to the UC384x. Thermal compression or ultrasonic bonding may be used on the doped aluminum , Service CopyRight 2003 UC284x, UC384x , UC384xY CURRENT-MODE PWM CONTROLLERS ^_SLVS038B-JANUARY


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PDF UC284X, UC384X, UC384xY SLVS036B-JANUARY 1989-REVISED 500-kHz UC2842 UC3842 UC38430 UC2845* application note UC384x application UC3842P UCx842 UC384xY UCX844 uc38450 UC3845P UC384x
1989 - UC384x application

Abstract: UC3845 dc dc applications forward converter uc3844 UC3842P uc3842 application circuit uc3844 applications UC3844 application note UC2844P UC2843P UC284X
Text: UC284x, UC384x , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B ­ JANUARY 1989 ­ REVISED AUGUST , . POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 4­1 UC284x, UC384x , UC384xY CURRENT-MODE PWM , BOX 655303 · DALLAS, TEXAS 75265 8 VC OUTPUT POWER GROUNd UC284x, UC384x , UC384xY , , when properly assembled, displays characteristics similar to the UC384x. Thermal compression or , · DALLAS, TEXAS 75265 4­3 UC284x, UC384x , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B ­


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PDF UC284x, UC384x, UC384xY SLVS038B 500-kHz UC384x application UC3845 dc dc applications forward converter uc3844 UC3842P uc3842 application circuit uc3844 applications UC3844 application note UC2844P UC2843P UC284X
1989 - UC384x application

Abstract: UC3845 application notes uc384x UC284X UC2843D UC2845D UC3842D UC3843D UC3844D UC3845D
Text: UC284x, UC384x , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B ­ JANUARY 1989 ­ REVISED AUGUST , . POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 4­1 UC284x, UC384x , UC384xY CURRENT-MODE PWM , BOX 655303 · DALLAS, TEXAS 75265 8 VC OUTPUT POWER GROUNd UC284x, UC384x , UC384xY , , when properly assembled, displays characteristics similar to the UC384x. Thermal compression or , · DALLAS, TEXAS 75265 4­3 UC284x, UC384x , UC384xY CURRENT-MODE PWM CONTROLLERS SLVS038B ­


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PDF UC284x, UC384x, UC384xY SLVS038B 500-kHz UC384x application UC3845 application notes uc384x UC284X UC2843D UC2845D UC3842D UC3843D UC3844D UC3845D
1989 - UC284X

Abstract: UC3842D UC2843P UCx842
Text: UC384x-series devices are characterized for operation from 0°C to 70°C. Please be aware that an important , UC284x, UC384x CURRENT-MODE PWM CONTROLLERS SLVS038D ­ JANUARY 1989 ­ REVISED JULY 1999 D D D D , VCC OUTPUT GND The UC284x and UC384x series of control integrated circuits provide the features , UC284x, UC384x CURRENT-MODE PWM CONTROLLERS SLVS038D ­ JANUARY 1989 ­ REVISED JULY 1999 AVAILABLE , . 2 POST OFFICE BOX 655303 · DALLAS, TEXAS 75265 UC284x, UC384x CURRENT-MODE PWM CONTROLLERS


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PDF UC284x, UC384x SLVS038D 500-kHz UC2842 UC3842 UC284X UC3842D UC2843P UCx842
UC384x application

Abstract: AS3844 astec application note astec 3842 astec power supplies AS384X ASTEC Application Note ONE
Text: cause incompatibility with some design techniques occasionally used with the UC384x. Any circuit forcing , UC384x. If the resonant network rings below about 0.6V, it can trigger our sync circuit, caus ing some , might be seen in a given power supply when a UC384x is replaced by an AS384x, or vice versa. Whether or , behavior of the control chip. AS384x/ UC384x Compatibility Issues Application Note 4 cycle programming , . In particular, there are some methods of forcing a UC384x series part to synchronize to an external


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PDF UC384x AS384x, AS384x/esign. UC384x application AS3844 astec application note astec 3842 astec power supplies AS384X ASTEC Application Note ONE
astec APPLICATION NOTE

Abstract: UC384x application astec 3842 ASTEC Application Note ONE UC384X
Text: UC384x. Any circuit forcing the R t /C t pin to ground may behave differently when the AS384x is substi tuted for a UC series part. In particular, there are some methods of forcing a UC384x series part to , inductance of the interconnect (or of the cap). This is more a problem on the AS384x than the UC384x. If the , might be seen in a given power supply when a UC384x is replaced by an AS384x, or vice versa. Whether or , behavior of the control chip. AS384x/ UC384x Compatibility Issues Application Note 4 cycle programming


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PDF UC384x AS384x, AS384x/UC38r astec APPLICATION NOTE UC384x application astec 3842 ASTEC Application Note ONE
2007 - LD7550BBN

Abstract: ld7550 LD7550BBL marking r4a
Text: COMP pin in UC384X ), By connecting a photo-coupler to close the control loop and achieve the , photo-coupler to the COMP Fig. 14 pin of LD7550-B. The input stage of LD7550-B, like the UC384X , is with , usually needed in the typical UC384X application (Fig. 15). 1 × ( VCOMP − 2VF ) 3 A pull-high , duty-cycle. As UC384X , It takes slope compensation from injecting the ramp signal from the RT/CT OUT


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PDF LD7550-B LD7550-B OT-26 LD7550-B-DS-01a LD7550BBN ld7550 LD7550BBL marking r4a
LD7552BN

Abstract: LD7552 LD7552BS UC384x application LD7552 application notes ld7552ds LD7552-DS-00 Leadtrend Technology nc 168 dip8 AC DC sop8 mosfet pwm emi
Text: external MOSFET Ground Voltage feedback pin (same as the COMP pin in UC384X ), By connecting a , then reduce the power usually needed in the typical UC384X application (Fig. 9). consumption on , input stage of LD7552, like the UC384X , is with 2 diodes voltage offset then feeding into the , , the slope compensation is needed in the traditional UC384X design by injecting the ramp signal CS


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PDF LD7552 LD7552-DS-00 LD7552BN LD7552BS UC384x application LD7552 application notes ld7552ds Leadtrend Technology nc 168 dip8 AC DC sop8 mosfet pwm emi
2006 - Not Available

Abstract: No abstract text available
Text: GND FUNCTION Ground Voltage feedback pin (same as the COMP pin in UC384X ), By connecting a 2 , usually needed in the typical UC384X application (Fig. 9). consumption on R1. By using CMOS process and , input stage of LD7552, like the UC384X , is with 2 diodes voltage offset then feeding into the , , the slope compensation is needed in the traditional UC384X design by injecting the ramp signal CS


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PDF LD7552 LD7552 LD7552-DS-00
UC1845

Abstract: UC284X
Text: < T a < 85°C fo r UC284X; 0 < Ta < 70°C fo r UC384X ; VCc = 15V (Note 5); Rt = 10K; Ct = 3.3nF.) T a =T , Section Input Voltage Input Bias Current Av o l V p in 1 - 2.5V 2 .4 5 PARAMETER UC384X UNITS 1 MAX , for - 5 5 < T a < 125 cC for UC184X; - 2 5 < T a ^ 8 5 ° C for UC284X; 0 < T a < 70°C for UC384X ; Vcc , 8.2 14.5 7.8 8.5 7.0 16 8.4 10 7.6 17.5 9.0 11.5 8 2 V V V V UC184X UC284X TYP. MAX. MIN. UC384X UNITS


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PDF 500KHz UC1845 UC284X
1994 - flyback uc3843

Abstract: u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 uc3842 circuit diagram UC3845 dc dc applications uc3843 flyback supply forward converter uc3844
Text: < 70°C for UC384X ; Vi = 15V (note 5); RT = 10K; CT = 3.3nF) Symbol Parameter Test Conditions UC284X UC384X Unit Min. Typ. Max. Min. Typ. Max. REFERENCE SECTION VREF Output Voltage Tj = , ) Symbol Parameter Test Conditions UC284X UC384X Min. Typ. Max. Min. Typ. Max. Unit


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5 flyback uc3843 u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 uc3842 circuit diagram UC3845 dc dc applications uc3843 flyback supply forward converter uc3844
TL494

Abstract: Controllers PWM Controllers Power Supply Controllers UC284X TL496 sg3524 pwm power supply tl494 pwm circuits TL1454 TL499A
Text: . 4-157 UC384x Current-Mode PWM Controllers . 4-157 P W M


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PDF SG2524 SG3524 TL494 TL496 TL497A TL499A TL594 TL598 TL1451A TL1454 Controllers PWM Controllers Power Supply Controllers UC284X sg3524 pwm power supply tl494 pwm circuits
1994 - flyback uc3842

Abstract: UC3843 u3844 flyback uc3843 UC3843 circuit diagram uc3843 dc 5v off-line flyback regulator uc3844 UC2842 power supply with uc3842 off-line flyback regulator uc3845
Text: < 70°C for UC384X ; Vi = 15V (note 5); RT = 10K; CT = 3.3nF) Test Co nditions UC284X UC384X Min , ons UC284X UC384X Min. Typ . Max. Min . Typ. Max. Unit UNDER-VOLTAGE LOCKOUT SECTION


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5family flyback uc3842 UC3843 u3844 flyback uc3843 UC3843 circuit diagram uc3843 dc 5v off-line flyback regulator uc3844 UC2842 power supply with uc3842 off-line flyback regulator uc3845
flyback uc3842 power supply

Abstract: UC3842D off-line flyback regulator uc3845 5-UC2842 UC2843 off-line flyback regulator uc3842 UC284X uc2845n UC2842 UC3843
Text: UC384X ; V, = 15 V (Note 5) ; RT = 10 K ; CT = 3.3 nF) - — - — - Symbol Parameter Test Conditions UG184X 284X UC384X Unit Min. I Typ. | Max. Min. I Typ. | Max. REFERENCE , ] • Symbol Parameter Test Conditions UC184X UC284X UC384X Unit Min. I Typ. I Max, Min. I Typ


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PDF UC3842/3/4/5 UC1842/3/4/5 UC1842/3 flyback uc3842 power supply UC3842D off-line flyback regulator uc3845 5-UC2842 UC2843 off-line flyback regulator uc3842 UC284X uc2845n UC2842 UC3843
LD7550

Abstract: sot-26 pwm controller ld7550 equivalent UC384x application SOT26 PWM PWM controller sot-26 switching power supply transformer UC384X TL431 circuit diagram of variable dutycycle osc
Text: LD7550, like the UC384X , is with 2 diodes voltage offset then feeding into the voltage divider with 1 , eliminate the need of R-C filter which is usually needed in the typical UC384X application (Fig. 9). 1 , stabilize the control loop, the slope compensation is needed in the traditional UC384X design by injecting


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PDF LD7550 OT-26) 10sec) OT-26, LD7550-DS-00 LD7550 sot-26 pwm controller ld7550 equivalent UC384x application SOT26 PWM PWM controller sot-26 switching power supply transformer UC384X TL431 circuit diagram of variable dutycycle osc
Not Available

Abstract: No abstract text available
Text: specifications apply for -25 < Tamb < 85°C for UC2824X; 0 < 70°C for UC384X ; Vi = 15V (note 5); Rt = 10K; C t = 3.3nF) Symbol Param eter UC284X Test C onditions UC384X Min. |T yp . ¡Max. Min , CHARACTERISTICS (continued) Param eter Sym bol UC284X Test C onditions UC384X Unit Min. |Typ


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PDF
flyback uc3843

Abstract: u3844 off-line flyback regulator uc3845 uc3843 flyback supply UC3842 power supply with uc2842 flyback uc3842 uc3842 circuit diagram off-line flyback regulator uc3844 off-line flyback regulator uc3842
Text: < 70°C for UC384X ; Vi = 15V (note 5); RT = 10K; CT = 3.3nF) Test Co nditions UC284X UC384X Min , Test Co nditi ons UC284X UC384X Min. Typ . Max. Min . Typ. Max. Unit UNDER-VOLTAGE


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5family flyback uc3843 u3844 off-line flyback regulator uc3845 uc3843 flyback supply UC3842 power supply with uc2842 flyback uc3842 uc3842 circuit diagram off-line flyback regulator uc3844 off-line flyback regulator uc3842
u3844

Abstract: power supply with uc3842 with circuit diagram uc2842 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 pwm uc2842 uc2845n uc3842 circuit diagram
Text: < ; 70°C for UC384X ; Vi = 15V (note 5); Rt = 10K; Or = 3.3nF) Symbol Parameter Test Conditions REFERENCE SECTION V ref A V ref A V ref A V re f /A T UC284X UC384X Min. Typ. Max. Min. Typ. Max. 4.95 5.00 , ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Conditions UC284X UC384X Unit Min. Typ. Max


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PDF UC2842/3/4/5 UC3842/3/4/5 007bbS3 u3844 power supply with uc3842 with circuit diagram uc2842 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 pwm uc2842 uc2845n uc3842 circuit diagram
2007 - Not Available

Abstract: No abstract text available
Text: UC384X ), By connecting a photo-coupler to close the control loop and achieve the regulation. Pull this , is included in the UC384X , is with 2 diodes voltage offset then feeding into the input of CS , . 19 in the traditional UC384X design by injecting the ramp signal from the RT/CT pin through a , Line Compensation been As all the users of UC384X well know, it is usually need the


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PDF LD7520 LD7520 LD7520-DS-02a
1998 - flyback uc3843

Abstract: u3844 uc3842 circuit diagram off-line flyback regulator uc3845 UC3843 power flyback UC2845N uc3843 connections flyback uc3842 power supply uc3843 flyback supply flyback uc3842
Text: °C for UC384X ; Vi = 15V (note 5); RT = 10K; CT = 3.3nF) Symbo l Parameter T est Cond ition s UC284X UC384X Uni t Min. T yp. Max. Min. Typ . Max. REFERENCE SECTION VREF 4.95 5.00 5.05 4.90 , ition s UC284X UC384X Min. T yp. Max. Min. T yp. Max. Unit UNDER-VOLTAGE LOCKOUT SECTION


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PDF UC2842/3/4/5 UC3842/3/4/5 TheUC3842/3/4/5family flyback uc3843 u3844 uc3842 circuit diagram off-line flyback regulator uc3845 UC3843 power flyback UC2845N uc3843 connections flyback uc3842 power supply uc3843 flyback supply flyback uc3842
flyback uc3843

Abstract: UC3843 circuit diagram uc3844n M UC3845M UC2842D UC3845 dc dc applications u3844 UC3842 Open Loop Circuit diagram DATA UC3843 uc3843 flyback supply
Text: UC2824X; 0 < Tamb < 70°C for UC384X ; Vi = 15V (note 5); R t = 10K; C t = 3.3nF) Sym bol Param eter Test C o n d itio n s REFERENCE SECTION V ref AV AV ref ref UC284X UC384X Unit Min. Typ. Max , (continued) Sym bol Param eter Test C o n d itio n s UC284X UC384X Unit Min. Typ. Max. Min. Typ. Max


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PDF K00CC3 flyback uc3843 UC3843 circuit diagram uc3844n M UC3845M UC2842D UC3845 dc dc applications u3844 UC3842 Open Loop Circuit diagram DATA UC3843 uc3843 flyback supply
2005 - NCP1203D60R2

Abstract: NCP1203P60 MMBT3946 ncp1203d6 NCP1203P100 NCP1203 NCP1203D60R2G NCP1203D60
Text: ultra-compact Switchmode Power Supplies and represents an excellent candidate to replace the UC384X devices. Due , needed in UC384X based supplies: timing components, feedback devices, low-pass filter and startup device , more applications are requiring low no-load standby power, e.g. for AC-DC adapters, VCRs etc. UC384X , NCP1203 http://onsemi.com 558 NCP1203 Current-Mode Operation As the UC384X series, the NCP1203


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PDF NCP1203 UC384X BRD8011/D. NCP1203) NCP1203D60R2 NCP1203P60 MMBT3946 ncp1203d6 NCP1203P100 NCP1203D60R2G NCP1203D60
2007 - ac-dc voltage regulator using SCR

Abstract: ac-dc voltage regulator using SCR circuit diagram ac-dc voltage regulator using SCR circuit circuit diagram of mosfet based smps power supply capacitor bipolar 7,5mf dc voltage regulator circuit using SCR scr spice model 6 PIN smps control ic FOR LED DRIVER AC/DC SCR POWER SUPPLY 6 pin smps power control ic
Text: ultra-compact Switchmode Power Supplies and represents an excellent candidate to replace the UC384X devices , necessary components normally needed in UC384X based supplies: timing components, feedback devices , . for AC-DC adapters, VCRs etc. UC384X series have a lot of difficulty to reduce the switching losses , of noise problems. Current-Mode Operation As the UC384X series, the NCP1203 features a


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PDF NCP1203 NCP1203 UC384X NCP1203/D ac-dc voltage regulator using SCR ac-dc voltage regulator using SCR circuit diagram ac-dc voltage regulator using SCR circuit circuit diagram of mosfet based smps power supply capacitor bipolar 7,5mf dc voltage regulator circuit using SCR scr spice model 6 PIN smps control ic FOR LED DRIVER AC/DC SCR POWER SUPPLY 6 pin smps power control ic
2004 - ac-dc voltage regulator using SCR

Abstract: NCP1203D60R2 NCP1203P60G
Text: ultra-compact Switchmode Power Supplies and represents an excellent candidate to replace the UC384X devices. Due , NCP1203 incorporates all the necessary components normally needed in UC384X based supplies: timing , low no-load standby power, e.g. for AC-DC adapters, VCRs etc. UC384X series have a lot of difficulty , NCP1203 Current-Mode Operation As the UC384X series, the NCP1203 features a well-known current mode


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PDF NCP1203 UC384X NCP1203/D ac-dc voltage regulator using SCR NCP1203D60R2 NCP1203P60G
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