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TL2842TIN/a6avaiCurrent-Mode PWM Controller
TL2842DRTI ?N/a1295avaiCurrent-Mode PWM Controller
TL2842PTIN/a150avaiCurrent-Mode PWM Controller


TL2842DR ,Current-Mode PWM Controllerfeatures that are necessary to• Low Start-Up Current (< 1 mA)implement off-line or DC-to-DC fixed-f ..
TL2842P ,Current-Mode PWM ControllerBlock Diagram..... 8Information..... 157.3 Feature Description...... 84 Revision HistoryNOTE: Page ..
TL2843 ,Current-Mode PWM Controller SLVS038I–JANUARY 1989–REVISED JULY 20165 Pin Configuration and FunctionsD PackageD or P Package14- ..
TL2843BD-8 ,High-Performance Current-Mode PWM Controller 8-SOIC -40 to 85FEATURESD (SOIC) OR P (PDIP) PACKAGE• Low Start-Up Current (<0.5 mA)(TOP VIEW)• Trimmed Oscillator ..
TL2843BDR ,High-Performance Current-Mode PWM Controller 14-SOIC -40 to 85features that are necessary toimplement off-line or dc-to-dc fixed-frequency current-mode control s ..
TL2843BDRG4-8 ,High-Performance Current-Mode PWM Controller 8-SOIC -40 to 85SLVS610B–AUGUST 2006–REVISED JULY 2007ORDERING INFORMATION(1)T PACKAGE ORDERABLE PART NUMBER TOP-SI ..
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TL2842-TL2842DR-TL2842P
Current-Mode PWM Controller
Not to scaleCOMP 14 REFNC 13 NCVFB 12 VNC 11 VCISENSE 10 OUTPUTNC 9 GNDRT/CT 8 POWER_GROUND
Not to scaleCOMP 8 REFVFB 7 VISENSE 6 OUTPUT 5 GND
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Community Optimized for Off-Line and DC-to-DC Converters Low Start-Up Current(<1 mA) Automatic Feed-forward compensation Pulse-by-Pulse Current Limiting Enhanced Load-Response Characteristics Undervoltage Lockout With Hysteresis Double-Pulse Suppression High-Current Totem-Pole Output Internally Trimmed Bandgap Reference 500-kHz Operation Error Amplifier With Low Output Resistance Designedtobe Interchangeable with UC2842 and
UC3842 Series Applications Switching regulatorsof any polarity Transformer-coupled DC/DC convertors
The TL284x and TL384x seriesof control integrated
circuits provide the features that are necessaryto
implement off-line or DC-to-DC fixed-frequency
current-mode control schemes, witha minimum
number of external components. Some of the
internally implemented circuits are an undervoltage
lockout (UVLO), featuringa start-up currentof less
than1 mA, anda precision reference trimmed for
accuracyat the error amplifier input. Other internal
circuits include logicto ensure latched operation,a
pulse-width modulation (PWM) comparator (that also
provides current-limit control), anda totem-pole
output stage designedto source or sink high-peak
current. The output stage, suitable for driving N-
channel MOSFETs,is low whenitisin theoff state.
Device Information(1)

(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Device Pinout Drawing SOIC (14) Device Pinout Drawing SOICor PDIP (8)
—No internal connection
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