поискавой системы для электроныых деталей |
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FAN5631 датащи(PDF) 4 Page - Fairchild Semiconductor |
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FAN5631 датащи(HTML) 4 Page - Fairchild Semiconductor |
4 / 11 page 4 www.fairchildsemi.com FAN5631/FAN5632 Rev. 1.0.2 Electrical Characteristics VIN = 2.2V to 5.5V, IOUT = 1mA, CIN = 10µF, COUT = 10µF, CB = 1µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Notes: 4. The short circuit protection is designed to protect against pre-existing short circuit conditions, i.e. assembly shorts that exist prior to device power-up. The short circuit current limit is 25mAAverage. Short circuit currents in normal operation are inherently limited by the ON-resistance of the internal FET. Since this resistance is in the range of 1 Ω, in some cases thermal shutdown may occur. However, immediately following the first thermal shutdown event, the short circuit condition will be treated as pre-existing, and the load current will reduce to 25mAAverage. Parameter Conditions Min. Typ. Max. Units Input Under-Voltage Lockout 2 V No Load Supply Current No switching 60 µA Output Voltage FAN5631, SEL to HIGH 1.5 V FAN5631, SEL to LOW 1.2 FAN5632, SEL to HIGH 1.5 FAN5632, SEL to LOW Variable between 1.5 and 1.2 Output Voltage Accuracy 1mA ≤ I OUT ≤ 150mA, VIN = 2.7V to 5.5V -5 +5 % Load Regulation 0mA ≤ I OUT ≤ 150mA, VIN = 3.6V 0.25 1 mV/mA Line Regulation IOUT = 0.1mA 0.2 4 mV/V Shutdown Supply Current VEN = 0V 0.1 1 µA Output Short Circuit Current (Note 4) VOUT ≤ 150mV 25 mA Peak Efficiency 90 % VIN at Configuration Change VIN decreasing 2.22 x VOUT V Oscillator Frequency VIN = 3.6V, IOUT = 150mA 1.7 MHz Thermal Shutdown Threshold 150 °C Thermal Shutdown Threshold Hysteresis 15 °C Enable Logic Input High Voltage, VIH 1.3 V Enable Logic Input Low Voltage, VIL 0.4 V Enable Logic Input Current -1 1 µA VSEL Logic Input High Voltage, VIH 1.3 V VSEL Logic Input Low Voltage, VIL 0.4 V VSEL Logic Input Current -1 1 µA VOUT Turn On Time 1.6 mS |
Аналогичный номер детали - FAN5631 |
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Аналогичное описание - FAN5631 |
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