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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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BAT54 Fiches technique(PDF) 6 Page - Fairchild Semiconductor |
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BAT54 Fiches technique(HTML) 6 Page - Fairchild Semiconductor |
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6 / 19 page  © 2002 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5236 • Rev. 1.3.2 6 Electrical Characteristics Recommended operating conditions, unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Units Power Supplies IVCC VCC Current LDRV, HDRV Open, VSEN Forced Above Regulation Point 2.2 3.0 µA Shutdown (EN-0) 30 µA ISINK VIN Current, Sinking VIN = 24V 10 30 µA ISOURCE VIN Current, Sourcing VIN = 0V -15 -30 µA ISD VIN Current, Shutdown 1 µA VUVLO UVLO Threshold Rising VCC 4.30 4.55 4.75 V Falling 4.10 4.25 4.45 V VUVLOH UVLO Hysteresis 300 mV Oscillator fosc Frequency 255 300 345 KHz VPP Ramp Amplitude VIN = 16V 2 V VIN = 5V 1.25 V VRAMP Ramp Offset 0.5 V G Ramp / VIN Gain VIN ≤ 3V 125 mV/V 1V < VIN < 3V 250 mV/V Reference and Soft Start VREF Internal Reference Voltage 0.891 0.900 0.909 V ISS Soft-Start Current At Startup 5 µA VSS Soft-Start Complete Threshold 1.5 V PWM Converters Load Regulators IOUTX from 0 to 5A, VIN from 5 to 24V -2 +2 % ISEN VSEN Bias Current 50 80 120 nA VOUT Pin Input Impedance 45 55 65 K Ω UVLOTSD Under-Voltage Shutdown % of Set Point, 2µs Noise Filter 70 75 80 % UVLO Over-Voltage Threshold % of Set Point, 2µs Noise Filter 115 120 125 % ISNS Over-Current Threshold RILIM= 68.5KΩ, Figure 12 112 140 168 µA Output Drivers HDRV Output Resistance Sourcing 12.0 15.0 Ω Sinking 2.4 4.0 LDRV Output Resistance Sourcing 12.0 15.0 Ω Sinking 1.2 2.0 Continued on following page… |
Numéro de pièce similaire - BAT54 |
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Description similaire - BAT54 |
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