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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AL8860 датащи(PDF) 4 Page - Diodes Incorporated |
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AL8860 датащи(HTML) 4 Page - Diodes Incorporated |
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4 / 17 page  AL8860 Document number: DS39014 Rev. 4 - 2 4 of 17 www.diodes.com July 2018 © Diodes Incorporated AL8860 Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Symbol Parameter Condition Min Typ Max Unit VIN Input Voltage - 4.5 - 40 V IQ Quiescent Current CTRL Pin Floating, VIN =16V - 0.55 - mA ISHDN Shutdown Supply Current CTRL Pin Grounded - 50 80 µA VSENSE Mean Current Sense Threshold Voltage Measured on SET Pin with Respect to VIN 96 100 104 mV VSENSE_HYS Sense Threshold Hysteresis - - ±20 - % ISET SET Pin Input Current VSET = VIN -0.1 - 8 - µA VEN CTRL Range on CTRL Pin For Analog Dimming 0.3 - 2.5 V VEN(ON) DC Voltage on CTRL Pin to Enable VEN Rising - 0.25 - V VEN(OFF) DC Voltage on CTRL Pin to Disable VEN Falling - 0.2 - V RSW SW Switch On Resistance @ISW = 100mA - 0.2 - Ω ISW(LEAK) SW Switch Leakage Current - - - 5 μA tSS Soft Start Time VIN = 16V, CEN = 1nF - 1.5 - ms fSW Operating Frequency VIN = 16V, VO = 9.6V (3 LEDs) L = 47μF, ΔI = 0.25A (ILED = 1A) - 250 - kHz tON_REC Recommended Minimum Switch ON Time For 4% Accuracy - 500 - ns fSW(MAX) Recommended Maximum Switch Frequency - - - 1.0 MHz DSW(MAX) Max Duty Cycle - - 98 - % DSW Recommended Duty Cycle Range - 25 - 75 % tPD Internal Comparator Propagation Delay (Note 7) - - 45 - ns TOTP Over Temperature Protection - - +150 - °C TOTP_HYS Temperature Protection Hysteresis - - +30 - °C Note: 7. Guaranteed by design. |
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