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AIC1735-20XU Datasheet(PDF) 8 Page - Analog Intergrations Corporation |
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AIC1735-20XU Datasheet(HTML) 8 Page - Analog Intergrations Corporation |
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8 / 12 page  AIC1735 8 BLOCK DIAGRAM 1.235V Reference GND VOUT VIN Error AMP + - Thermal Shutdown - + Current Limiting PIN DESCRIPTIONS VOUT PIN - Output pin. GND PIN - Power GND. VIN PIN - Power Supply Input. APPLICATION INFORMATION INPUT-OUTPUT CAPACITORS Linear regulators require input and output capacitors to maintain stability. A 1uF aluminum electrolytic input capacitor with a 4.7uF aluminum electrolytic output capacitor is recommended. To avoid oscillation, it is recommended to follow the figures of “Region of Stable COUT ESR vs. Load Current” to choose proper capacitor specifications. POWER DISSIPATION The AIC1735 obtains thermal-limiting circuitry, which is designed to protect the device against overload condition. For continuous load condition, maximum rating of junction temperature must not be exceeded. It is important to pay more attention in thermal resistance. It includes junction to case, junction to ambient. The maximum power dissipation of AIC1735 depends on the thermal resistance of its case and circuit board, the temperature difference between the die junction and ambient air, and the rate of airflow. The rate of temperature rise is greatly affected by the mounting pad configuration on the PCB, the board material, and the ambient temperature. When the IC mounting with good thermal conductivity is used, the junction temperature will be low even when large power dissipation applies. The power dissipation across the device is P = IOUT (VIN-VOUT). The maximum power dissipation is: JA A max - J MAX R θ ) T - (T P = Where TJ-max is the maximum allowable junction temperature (125 °C), and TA is the ambient |
Similar Part No. - AIC1735-20XU |
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Similar Description - AIC1735-20XU |
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