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PDF IL6083 Data sheet ( Hoja de datos )
| Número de pieza | IL6083 | |
| Descripción | PWM Power Control IC | |
| Fabricantes | IK Semiconductor | |
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Hay una vista previa y un enlace de descarga de IL6083 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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TECHNICAL DATA
PWM Power Control IC
with Interference Suppression
Description
The designed IC is based on bipolar technology for the
control of an N-channel power MOSFET used as a high-side
switch. The IC is ideal for use in brightness control systems
(dimming) of lamps, for example, in dashboard applications.
Features
• Protection Against Short-circuit, Load Dump Overvoltage
and Reverse VS
• Duty Cycle 18 to 100% Continuously
• Internally Reduced Pulse Slope of Lamp's Voltage
• Interference and Damage Protection
• Charge-pump Noise Suppression
• Ground-wire Breakage Protection
IL6083
IL6083N DIP-8
TA = –40 ~ +110°С
Pin Configuration
Figure 1.
Pin Symbol
Pin Description
01 Vs
Supply voltage
02 GND
IC ground
03 Vi
Control input (duty cycle)
04 Osc
Oscillator
05 Delay
Short-circuit protection delay
06 Sense
Current sensing
07 2Vs
Voltage doubler
08 Output
Output
Rev. 00
1 page  
IL6083
Output Slope Control
The slope of the lamp voltage is internally limited to reduce radio interference by limitation of the voltage gain
of the PWM comparator.
Thus, the voltage rise on the lamp is proportional to the oscillator voltage increase at the switchover time
according to the equation.
Via an external capacitor, C4, the slope can be further reduced as follows:
To damp oscillation tendencies, a resistance of 100Ω in series with capacitance C4 is recommended.
Interference Suppression
• “On-board” radio reception according to VDE 0879 part 3/4.81
• Test conditions refering to Figure 3
• Application circuit according to Figure 1 or Figure 4
• Load: nine 4 W lamps in parallel
• Duty cycle = 18%
• VBatt = 12 V
• fOsc = 100 Hz
Figure 3. Voltage Spectrum of On-board Radio Reception
Rev. 00
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IL6083.PDF ] | |
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