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4TPB330ML Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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4TPB330ML Datasheet(HTML) 6 Page - Fairchild Semiconductor |
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6 / 17 page  © 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5026 • Rev. 1.0.8 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 A Shutdown (EN-0) 30 A ISINK VIN Current, Sinking VIN = 15V 10 30 A ISOURCE VIN Current, Sourcing VIN = 0V -15 -30 A ISD VIN Current, Shutdown 1 A 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 A VSS Soft-Start Complete Threshold 1.5 V PWM Converters Load Regulation IOUTX from 0 to 5A, VIN from 5 to 15V -2 +2 % ISEN VSEN Bias Current 50 80 120 nA UVLOTSD Under-Voltage Shutdown % of Set Point, 2 s Noise Filter 70 75 80 % UVLO Over-Voltage Threshold % of Set Point, 2 s Noise Filter 115 120 125 % ISNS Over-Current Threshold RILIM= 68.5KΩ, Figure 12 112 140 168 A Minimum Duty Cycle 10 % Output Drivers HDRV Output Resistance Sourcing 12 15 Ω Sinking 2.4 4.0 LDRV Output Resistance Sourcing 12 15 Ω Sinking 1.2 2.0 Power-Good Output and Control Pins Lower Threshold % of Set Point, 2 s Noise Filter -86 -94 % Upper Threshold % of Set Point, 2 s Noise Filter 108 116 % PG Output Low IPG = 4mA 0.5 V Leakage Current VPULLUP = 5V 1 A PG2/REF2OUT Voltage DDR = 1, 0 mA < IREF2OUT ≤10mA 99.00 1.01 % VREF2 DDR, EN Inputs VINH Input High 2 V VINL Input Low 0.8 V |
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