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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LED2001PHR Fiches technique(PDF) 11 Page - STMicroelectronics |
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LED2001PHR Fiches technique(HTML) 11 Page - STMicroelectronics |
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11 / 42 page  DocID024346 Rev 1 11/42 LED2001 Functional description The error amplifier output is compared with the inductor current sense information to perform PWM control. 5.5 Thermal shutdown The shutdown block generates a signal that disables the power stage if the temperature of the chip goes higher than a fixed internal threshold (150 ± 10 °C typical). The sensing element of the chip is close to the PDMOS area, ensuring fast and accurate temperature detection. A 15 °C typical hysteresis prevents the device from turning ON and OFF continuously during the protection operation. Table 5. Uncompensated error amplifier characteristics Description Value Transconductance 250 µS Low frequency gain 96 dB CC 195 pF RC 70 K Ω |
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