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ISL68137 Datasheet(PDF) 11 Page - Intersil Corporation |
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ISL68137 Datasheet(HTML) 11 Page - Intersil Corporation |
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11 / 53 page  ISL68137 11 FN8757.0 September 27, 2016 Submit Document Feedback Average Overcurrent Threshold Resolution 0.1 A Cycle-by-Cycle Current Limiting Threshold Accuracy 0.1 A DIGITAL DROOP Droop Resolution 0.01 mV/A OSCILLATORS Accuracy of Switching Frequency Setting When set to 500kHz 480 500 520 kHz Accuracy of Switching Frequency Setting -4 4 % Switching Frequency Range 0.2 1.0 MHz SOFT-START RATE AND VOLTAGE TRANSITION RATE Minimum Soft-Start Ramp Rate Programmable minimum rate 20 µs Maximum Soft-Start Ramp Rate Programmable maximum rate 10 ms Soft-Start Ramp Rate Accuracy -4 4 % Minimum Transition Rate Programmable minimum rate 0.1 mV/µs Maximum Transition Rate Programmable maximum rate 100 mV/µs Transition Rate Accuracy -4 4 % PWM OUTPUT PWMx Output High Level IOUT = 4mA VCC - 0.4 V PWMx Output Low Level IOUT = 4mA 0.4 V PWMx Output Tri-State IOL VOH = VCC 1 µA PWMx Output Tri-State IOH VOL = 0V -1 µA THERMAL MONITORING AND PROTECTION Temperature Sensor Range -50 150 °C Temperature Sensor Accuracy TMON to ADC accuracy -4.5 4.5 % TWARN Output Low Impedance 4 9 13 TWARN Hysteresis 3°C POWER-GOOD AND PROTECTION MONITORS PG Output Low Voltage IOUT = 8mA load 0.4 V PG Leakage Current With pull-up resistor externally connected to VCC 0.5 1.0 µA Overvoltage Protection Threshold Resolution 1mV Undervoltage Protection Threshold Resolution 1mV Overvoltage Protection Threshold when Disabled VCC - 0.2 V INPUT VOLTAGE SENSE Input Voltage Accuracy VINSEN to ADC accuracy -2.5 2.5 % Input Voltage Protection Threshold Resolution 1mV AVSBus AVSBus VDDIO Input Voltage Range 0.90 3.63 V AVSBus CLK, MDA, Input High Level 0.6 * VDDIO V AVSBus CLK, MDA, Input Low Level 0.4 * VDDIO V Electrical Specifications Recommended operating conditions, VCC = 3.3V, unless otherwise specified. Boldface limits apply across the operating temperature range -40°C to +85°C. (Continued) PARAMETER TEST CONDITIONS MIN (Note 7)TYP MAX (Note 7)UNIT |
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