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TL594TIN/a150avaiPRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
TL594CDTIN/a9771avaiPRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
TL594CDRTI ?N/a187avaiPulse-Width-Modulation (PWM) Control Circuit
TL594CDRG4TIN/a352avaiPulse-Width-Modulation (PWM) Control Circuit 16-SOIC 0 to 70
TL594CNE4TIN/a75avaiPulse-Width-Modulation (PWM) Control Circuit 16-PDIP 0 to 70
TL594CNSRTIN/a1850avaiPulse-Width-Modulation (PWM) Control Circuit
TL594CNSRG4TEXASN/a30avaiPulse-Width-Modulation (PWM) Control Circuit 16-SO 0 to 70
TL594CNSRG4TIN/a362avaiPulse-Width-Modulation (PWM) Control Circuit 16-SO 0 to 70
TL594CPWTIN/a138avaiPulse-Width-Modulation (PWM) Control Circuit
TL594CPWRTIN/a2000avaiPulse-Width-Modulation (PWM) Control Circuit
TL594IDTIN/a263avaiPulse-Width-Modulation (PWM) Control Circuit
TL594IDRTIN/a35552avaiPulse-Width-Modulation (PWM) Control Circuit
TL594INSRTIN/a2427avaiPulse-Width-Modulation (PWM) Control Circuit
TL594INSRG4TIN/a1143avaiPulse-Width-Modulation (PWM) Control Circuit 16-SO -40 to 85


TL594IDR ,Pulse-Width-Modulation (PWM) Control CircuitMaximum Ratings.. 411.1 Layout Guidelines.... 196.2 ESD Ratings ...... 411.2 Layout Example....... ..
TL594IN ,PRECISION SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUITELECTRICAL CHARACTERISTICS (V = 15 V, C = 0.01 μF, R = 12 kΩ, unless otherwise noted.)CC T TFor typ ..
TL594INSR ,Pulse-Width-Modulation (PWM) Control CircuitBlock Diagram..... 9Information..... 214 Revision HistoryNOTE: Page numbers for previous revisions ..
TL594INSRG4 ,Pulse-Width-Modulation (PWM) Control Circuit 16-SO -40 to 85Sample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareTL594SLVS052I–APRIL ..
TL598CD ,Pulse-Width-Modulation (Pwm) Control Circuit      SLVS053D − FEBRUARY 1988 − REVISED NOVEMBER 2003D OR N PA ..
TL598CDR ,Pulse-Width-Modulation (Pwm) Control Circuitmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
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TL594-TL594CD-TL594CDR-TL594CDRG4-TL594CNE4-TL594CNSR-TL594CNSRG4-TL594CPW-TL594CPWR-TL594ID-TL594IDR-TL594INSR-TL594INSRG4
Pulse-Width-Modulation (PWM) Control Circuit 16-SOIC 0 to 70
Reference
Regulator
Pulse-Steering
DTC
PWM
Comparator
Error Amplifier 1

0.1 V
DTC
Comparator
Oscillator
OUTPUT CTRL
(see Function Table)
Undervoltage
INí

Product
Folder
Sample &
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Technical
Documents
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TL594

SLVS052I –APRIL 1988–REVISED SEPTEMBER 2016
TL594 Pulse-Width-Modulation Control Circuit Features
Complete PWM Power-Control Circuitry Uncommitted Outputs for 200-mA Sinkor Source
Current Output Control Selects Single-Endedor Push-Pull
Operation Internal Circuitry Prohibits Double Pulseat Either
Output Variable Dead Time Provides Control Over Total
Range Internal Regulator Providesa Stable 5-V
Reference Supply Trimmedto 1% Circuit Architecture Allows Easy Synchronization Undervoltage Lockout (UVLO)for Low-VCC
Conditions Applications White Goods Power Supplies: AC/DC, Isolated,
With PFC,>90W Server PSUs Solar Micro-Inverters Power Supplies: AC/DC, Isolated, PFC,<90W Power: Telecom/Server AC/DC Supplies Solar Power Inverters Description
The TL594 device incorporates all the functions
required in the construction of a pulse-width-
modulation (PWM) control circuit ona single chip.
Designed primarily for power-supply control, this
device offers the systems engineer the flexibilityto
tailor the power-supply control circuitrytoa specific
application.
The TL594 device contains two error amplifiers, an
on-chip adjustable oscillator,a dead-time control
(DTC) comparator,a pulse-steering control flip-flop,a
5-V regulator witha precisionof 1%, an undervoltage
lockout control circuit, and output control circuitry.
The uncommitted output transistors provide either
common-emitteror emitter-follower output capability.
Each device provides for push-pull or single-ended
output operation, with selection by means of the
output-control function. The architecture of these
devices prohibits the possibilityof either output being
pulsed twice during push-pull operation. The
undervoltage lockout control circuit locks the outputs
off until the internal circuitryis operational.
Device Information
Block Diagram
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