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TL494CN Texas Instruments
Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor powerhouse, crafts advanced analog ICs and embedded processors. Fueled by top-tier minds, TI's innovations drive tech's future, impacting 100,000+ clients.
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DescriptionThe TL494CN device incorporates all the functions required in the construction of apulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supplycontrol, this device offers the flexibility to tailor the power-supply control circuitry to aspecific application.
The TL494CN device contains two error amplifiers, an on-chip adjustableoscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V,5%-precision regulator, and output-control circuits.
The error amplifiers exhibit a common-mode voltage range from –0.3 V toVCC– 2 V. The dead-time control comparator has a fixed offset that providesapproximately 5% dead time. The on-chip oscillator can be bypassed by terminating RT to thereference output and providing a sawtooth input to CT, or it can drive the common circuits insynchronous multiple-rail power supplies.
The uncommitted output transistors provide either common-emitter or emitter-followeroutput capability. The TL494CN device provides for push-pull or single-ended output operation, whichcan be selected through the output-control function. The architecture of this device prohibits thepossibility of either output being pulsed twice during push-pull operation.
The TL494C device is characterized for operation from 0°C to 70°C. The TL494I device ischaracterized for operation from –40°C to 85°C.
All trademarks are the property of their respective owners.
DescriptionThe TL494 device incorporates all the functions required in the construction of apulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supplycontrol, this device offers the flexibility to tailor the power-supply control circuitry to aspecific application.
The TL494 device contains two error amplifiers, an on-chip adjustableoscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V,5%-precision regulator, and output-control circuits.
The error amplifiers exhibit a common-mode voltage range from –0.3 V toVCC– 2 V. The dead-time control comparator has a fixed offset that providesapproximately 5% dead time. The on-chip oscillator can be bypassed by terminating RT to thereference output and providing a sawtooth input to CT, or it can drive the common circuits insynchronous multiple-rail power supplies.
The uncommitted output transistors provide either common-emitter or emitter-followeroutput capability. The TL494 device provides for push-pull or single-ended output operation, whichcan be selected through the output-control function. The architecture of this device prohibits thepossibility of either output being pulsed twice during push-pull operation.
The TL494C device is characterized for operation from 0°C to 70°C. The TL494I device ischaracterized for operation from –40°C to 85°C.
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A: Our professional business development department conducts rigorous testing and verification of the qualifications of original manufacturers and agents of . All suppliers must undergo and pass our qualification review before they are allowed to list their TL494CN devices on our platform. We prioritize the sourcing channels and quality of TL494CN products above everything else, ensuring thorough supplier audits so you can make your purchase with utmost confidence.
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Mfr Part # | Price ($) | Quantity Available | |
---|---|---|---|
TL494BDIC REG CTRLR BCK/PSH-PULL 16SOIC | 0.18 |
4733
Marketplace | |
TL494CDGIC REG CTRLR BCK/PSH-PULL 16SOIC | 0.28 |
251
Marketplace | |
TL431QDBZR,215IC VREF SHUNT PREC ADJ SOT-23-3 | 0.03 |
4522
Marketplace |
TYPE | DESCRIPTION | Select all |
---|---|---|
Product Status | Obsolete | |
Clock Sync | No | |
Synchronous Rectifier | Yes | |
Frequency - Switching | 200kHz | |
Voltage - Supply (Vcc/Vdd) | 7V ~ 40V | |
Output Phases | 1 | |
Supplier Device Package | 16-PDIP | |
Number of Outputs | 2 | |
Package / Case | 16-DIP (0.300", 7.62mm) | |
Topology | Buck, Push-Pull | |
Mounting Type | Through Hole | |
Output Configuration | Positive | |
Operating Temperature | 0°C ~ 70°C (TA) | |
Function | Step-Down, Step-Up/Step-Down | |
Control Features | Dead Time Control, Frequency Control | |
Output Type | Transistor Driver | |
Package | Tube | |
Series | SWITCHMODE™ | |
Duty Cycle (Max) | 48% |
Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor powerhouse, crafts advanced analog ICs and embedded processors. Fueled by top-tier minds, TI's innovations drive tech's future, impacting 100,000+ clients.
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