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PDF SL494 Data sheet ( Hoja de datos )
| Número de pieza | SL494 | |
| Descripción | PWM Control Circuit | |
| Fabricantes | System Logic Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SL494 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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SL494
PWM Control Circuit
The SL494 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, the SL494
contains an on-chip 5-volt regulator, two error amplifiers, adjustable
oscillator, dead-time control comparator, pulse-steering flip-flop, and
output-control circuitry. The uncommitted output transistors provide
either common-emitter or emitter-follower output capability. Push-pull
or single-ended output operation may be selected through the output-
control function. The architecture of the IL494 prohibits the possibility
of either output being pulsed twice during push-pull operation.
• Complete PWM Power Control Circuitry
• Uncommitted Outputs for 200 mA Sink or Source
• Output Control Selects Single-Ended or Push-Pull Operation
• Internal Circuitry Prohibits Double Pulse at Either Output
• Internal Regulator Provides a Stable 5 V Reference Supply
• Variable Dead-Time Provides Control Over Total Range
FUNCTION TABLE
Output Control
Grounded
At Vref
Output Function
Single-ended or Parallel Output
Normal Push-Pull Operation
ORDERING INFORMATION
SL494N Plastic
SL494D SOIC
TA = -20°C to 85° C
for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
SLS
System Logic
Semiconductor
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet SL494.PDF ] | |
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