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ISL62392IRTZ-T Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL62392IRTZ-T Datasheet(HTML) 3 Page - Intersil Corporation |
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3 / 20 page  3 FN6666.4 December 22, 2008 FB Input Bias Current FB = 0.6V -12 30 nA FB = 0.6V (ISL62391(2)HRTZ, TA = -10°C to +100°C) -10 30 nA Frequency Range 200 600 kHz Frequency Set Accuracy FSW = 300kHz (Note 4) -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 (Note 3) 32 50 Ω PGOOD Leakage Current PGOOD = VCC 0 1 µA Maximum PGOOD Sink Current (Note 3) 5 mA 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 (ISL62391(2)HRTZ, TA = -10°C to +100°C) 4.50 5.60 7.50 ms UGATE Pull-up ON-resistance 200mA source current (Note 3) 1.0 1.5 Ω UGATE Source Current UGATE-PHASE = 2.5V (Note 3) 2.0 A UGATE Pull-down ON-resistance 250mA source current (Note 3) 1.0 1.5 Ω UGATE Sink Current UGATE-PHASE = 2.5V (Note 3) 2.0 A LGATE Pull-up ON-resistance 250mA source current (Note 3) 1.0 1.5 Ω LGATE Source Current LGATE-PGND = 2.5V (Note 3) 2.0 A LGATE Pull-down ON-resistance 250mA source current (Note 3) 0.5 0.9 Ω LGATE Sink Current LGATE-PGND = 2.5V (Note 3) 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 EN Input Leakage Current EN = GND or VCC -3.5 3.5 µA ISEN Input Impedance EN = VCC 600 k Ω ISEN Input Leakage Current EN = GND 0.1 µA OCSET Input Impedance EN = VCC 600 k Ω OCSET Input Leakage Current EN = GND 0.1 µA OCSET Current Source EN = VCC 8.7 10.0 10.5 µA EN = VCC (ISL62391(2)HRTZ, TA = -10°C to +100°C) 9 10.0 10.5 µA Electrical Specifications Circuit of Figure 1 and Figure 2, LDO3, OUT1, OUT2, and REF, VIN = 12V, EN = VCC, TA = -40°C to +100°C, unless otherwise noted. Typical values are at TA = +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. (Continued) PARAMETER CONDITIONS MIN TYP MAX UNITS ISL62391, ISL62392 |
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