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ISL62383HRTZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL62383HRTZ Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 23 page 4 FN6665.5 May 13, 2011 VCC2 POR Threshold Rising edge 4.35 4.45 4.55 V Falling edge 4.10 4.20 4.30 V PWM Reference Voltage (Note 6) -0.6 - V Regulation Accuracy VOUT regulated to 0.6V -1 - 1 % FB Input Bias Current FB = 0.6V -10 - 30 nA Frequency Range 200 - 600 kHz Frequency Set Accuracy (Note 7) FSW = 300kHz -12 - 12 % VOUT Voltage Regulation Range VIN > 6V for VOUT = 5.5V 0.6 - 5.5 V VOUT Soft-Discharge Resistance - 14 50 POWER-GOOD PGOOD Pull-Down Impedance Soft-start, I_PGOOD = 5mA sinking - 32 100 UVP, I_PGOOD = 5mA sinking - 95 200 OVP, I_PGOOD = 5mA sinking - 63 150 OCP, I_PGOOD = 5mA sinking - 32 100 PGOOD Leakage Current PGOOD = VCC1 - 0 1 µA Maximum PGOOD Sink Current (Note 6) - 5 - mA PGOOD Soft-start Delay From EN high to PGOOD high (for one SMPS channel) 2.20 2.75 3.70 ms EN2(1) = Floating, from EN1(2) high to PGOOD2(1) high 4.50 5.60 7.50 ms GATE DRIVER UGATE Pull-Up ON-Resistance (Note 6) 200mA source current - 1.0 1.5 UGATE Source Current (Note 6) UGATE-PHASE = 2.5V - 2.0 - A UGATE Pull-Down ON-Resistance (Note 6) 250mA source current - 1.0 1.5 UGATE Sink Current (Note 6) UGATE-PHASE = 2.5V - 2.0 - A LGATE Pull-Up ON-Resistance (Note6) 250mA source current - 1.0 1.5 LGATE Source Current (Note 6) LGATE-PGND = 2.5V - 2.0 - A LGATE Pull-Down ON-Resistance (Note 6) 250mA source current - 0.5 0.9 LGATE Sink Current (Note 6) LGATE-PGND = 2.5V - 4.0 - A UGATE to LGATE Deadtime (Note 6) UG falling to LG rising, no load - 21 - ns LGATE to UGATE Deadtime (Note 6) LG falling to UG rising, no load - 21 - ns Bootstrap Diode Forward Voltage (Note 6) 2mA forward diode current - 0.58 - V Bootstrap Diode Reverse Leakage Current VR = 25V - 0.2 1 µA CONTROL FCCM Input Voltage Low level (DCM enabled) - - 0.8 V Float level (DCM with audio filter) 1.9 - 2.1 V High level (Forced CCM) 2.4 -- V FCCM Input Leakage Current FCCM = GND or VCC1 -2 - 2 µA Electrical Specifications These specifications apply for TA = -10°C to +100°C, unless otherwise noted. Typical values are at TA =+25°C, VIN = 12V. Boldface limits apply over the operating temperature range, -10°C to +100°C. (Continued) PARAMETER CONDITIONS MIN (Note 8) TYP MAX (Note 8) UNITS ISL62381, ISL62382, ISL62383, ISL62381C, ISL62382C, ISL62383C |
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