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ISL6334DIRZ Datasheet(PDF) 8 Page - Renesas Technology Corp |
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ISL6334DIRZ Datasheet(HTML) 8 Page - Renesas Technology Corp |
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8 / 28 page  ISL6334D FN6802 Rev 4.00 Page 8 of 28 Apr 29, 2016 PIN-ADJUSTABLE OFFSET Voltage at OFS Pin Offset resistor connected to ground 390 400 415 mV Voltage below VCC, offset resistor connected to VCC 1.574 1.60 1.635 V OSCILLATORS Accuracy of Switching Frequency Setting RT = 100kΩ 225 250 275 kHz Adjustment Range of Switching Frequency (Note 8) 0.08 - 1.00 MHz Soft-Start Ramp Rate RSS = 100kΩ(Notes 8, 9, 10) - 1.563 - mV/µs Adjustment Range of Soft-Start Ramp Rate (Note 8) 0.625 - 6.250 mV/µs PWM GENERATOR Sawtooth Amplitude (Note 8)- 1.5 - V ERROR AMPLIFIER Open-Loop Gain RL = 10kΩ to ground (Note 8) - 96 - dB Open-Loop Bandwidth (Note 8)- 80 - MHz Slew Rate (Note 8) - 25 - V/µs Maximum Output Voltage 3.8 4.4 4.9 V Output High Voltage at 2mA 3.6 -- V Output Low Voltage at 2mA -- 1.6 V REMOTE-SENSE AMPLIFIER (Note 8) Bandwidth -20 - MHz Output High Current VSEN - RGND = 2.5V -500 - 500 µA Output High Current VSEN - RGND = 0.6 -500 - 500 µA PWM OUTPUT Sink Impedance PWM = Low with 1mA Load 100 220 300 Ω Source Impedance PWM = High, forced to 3.7V 200 320 400 Ω PSI# INPUT High Signal Threshold -- 0.8 V Low Signal Threshold 0.4 -- V CURRENT SENSE AND OVERCURRENT PROTECTION Sensed Current Tolerance ISEN1 = ISEN2 = ISEN3 = ISEN4 = 40µA; CS offset and mirror error included, RISENx = 200Ω 36.5 - 42 µA ISEN1 = ISEN2 = ISEN3 = ISEN4 = 80µA; CS offset and mirror error included, RISENx = 200Ω 74 - 83 µA Overcurrent Trip Level for Average Current At Normal CCM PWM Mode CS offset and mirror error included, RISENx = 200Ω 96 105 117 µA Overcurrent Trip Level for Average Current at PSI# Mode N = 4, drop to 1-phase - 121 - µA Peak Current Limit for Individual Channel 115 129 146 µA IMON Clamped and OCP Trip Level 1.085 1.11 1.14 V Electrical SpecificationsmOperatingConditions:VCC=5V,UnlessOtherwiseSpecified.Boldface limits applyacrosstheoperatingtemperature ranges, -40°C to +85°C (IRZ) or 0°C to +70°C (CRZ). (Continued) PARAMETER TEST CONDITIONS MIN (Note 6)TYP MAX (Note 6)UNIT |
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