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ISL62391CIRTZ Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL62391CIRTZ Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 20 page 3 FN6666.5 April 7, 2011 VCC POR Threshold Rising Edge 4.33 4.50 4.55 V Rising Edge (ISL62391HRTZ, ISL62392HRTZ, TA = -10°C to +100°C) 4.35 4.50 4.55 V Falling Edge 4.08 4.20 4.30 V Falling Edge (ISL62391HRTZ, ISL62392HRTZ, TA = -10°C to +100°C) 4.10 4.20 4.30 V Reference Voltage 0.6 V Regulation Accuracy VOUT regulated to 0.6V -1 1 % FB Input Bias Current FB = 0.6V -12 30 nA FB = 0.6V (ISL62391HRTZ, ISL62392HRTZ, TA = -10°C to +100°C) -10 30 nA Frequency Range 200 600 kHz Frequency Set Accuracy FSW = 300kHz (Note 3) -12 12 % VOUT Voltage Adjust Range VIN ≥ 6V for VOUT = 5.5V 0.6 5.5 V VOUT Soft-discharge Resistance 14 50 Ω PGOOD Pull-down Impedance 32 50 Ω PGOOD Leakage Current PGOOD = VCC 0 1 µA Maximum PGOOD Sink Current 5mA PGOOD Soft-start Delay (From first EN = 1 to PGOOD = 1) EN1 = EN2 = 1 2.20 2.75 3.70 ms EN1 = 1, EN2 = Floating or EN1 = Floating, EN2 =1 4.50 5.60 7.60 ms EN1 = 1, EN2 = Floating or EN1 = Floating, EN2 =1 (ISL62391HRTZ, ISL62392HRTZ, TA = -10°C to +100°C) 4.50 5.60 7.50 ms UGATE Pull-up ON-resistance 200mA source current 1.0 1.5 Ω UGATE Source Current UGATE-PHASE = 2.5V 2.0 A UGATE Pull-down ON-resistance 250mA source current 1.0 1.5 Ω UGATE Sink Current UGATE-PHASE = 2.5V 2.0 A LGATE Pull-up ON-resistance 250mA source current 1.0 1.5 Ω LGATE Source Current LGATE-PGND = 2.5V 2.0 A LGATE Pull-down ON-resistance 250mA source current 0.5 0.9 Ω LGATE Sink Current LGATE-PGND = 2.5V 4.0 A UGATE to LGATE Deadtime UG falling to LG rising, no load 21 ns LGATE to UGATE Deadtime LG falling to UG rising, no load 21 ns Bootstrap Diode Forward Voltage 2mA forward diode current 0.58 V Bootstrap Diode Reverse Leakage Current VR = 25V 0.2 1 µA FCCM Input Voltage Low Level (DCM enabled) 0.8 V Float Level (audio filter enabled) 1.9 2.1 V High Level (forced CCM) 2.4 V FCCM Input Leakage Current FCCM = GND or VCC -2 2 µA Audio Filter Switching Frequency FCCM floating 28 kHz EN Input Voltage Low Level (Clear fault level/SMPS off) 0.8 V Float Level (Delayed start) 1.9 2.1 V High Level (SMPS on) 2.4 V Electrical Specifications VIN = 12V, EN = VCC, TA = -40°C to +100°C, unless otherwise noted. Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range. (Continued) PARAMETER CONDITIONS MIN (Note 4) TYP MAX (Note 4) UNITS ISL62391, ISL62392, ISL62391C, ISL62392C |
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