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Posted       KEC

Part Number : KIA494P
Function : KIA494P PWM CONTROLLER IC / TL494
Maker : KEC

Pinouts :
KIA494P datasheet

Description :

The KIA494AP/AF incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, this device offers the systems engineer the flexibility to tailor the power supply control circuitry to a specific application. The KIA494AP/AF contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V, 5%-precision requlator, and output-control circuits.

The error amplifiers exhibit a common-mode voltage range from -0.3V to Vcc -2V. The dead-time control comparator has a fixed offset that provides approximately 5% dead time. The on-chip oscillator may be bypassed by terminating RT to the reference output and providing a sawtooth input to CT, or it may drive the common circuits in synchronous multiple-rail power supplies.

The uncommitted output transistors provide either common-emitter or emitter-follower output capability. The KIA494AP/AF provides for push-pull or single-ended output operation, which may be selected through the output-control function. The architecture of this device prohibits the possibility of either output being pulse twice during push-pull operation.

 

Reference PDF : http://www.ti.com/lit/ds/symlink/tl494.pdf

 


Datasheet PDF Download :
KIA494P pdf

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2013/09/17 17:29 2013/09/17 17:29