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ISL8018 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL8018 Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 21 page ISL8018 7 FN7889.0 September 30, 2015 Submit Document Feedback Positive Peak Current Limit IPLIMIT ISET = FLOAT 9.7 12.8 15.8 A ISET = VIN 6.7 8.8 10.9 A ISET = SGND 4 5.6 7.2 A Peak Skip Limit ISKIP ISET = FLOAT 2.18 2.8 3.78 A ISET = VIN 1.08 1.66 2.3 A ISET = SGND 1.05 A Zero Cross Threshold -300 300 mA Negative Current Limit INLIMIT -4.25 -3 -1.75 A COMPENSATION Error Amplifier Transconductance FS = VIN 100 µA/V FS with resistor 200 µA/V Transresistance RT 0.11 Ω PHASE P-Channel MOSFET ON-Resistance VIN = 5V, IO = 200mA 31 45 mΩ VIN = 2.7V, IO = 200mA 44 55 mΩ N-Channel MOSFET ON-Resistance VIN = 5V, IO = 200mA 19 35 mΩ VIN = 2.7V, IO = 200mA 25 50 mΩ PHASE Maximum Duty Cycle 100 % PHASE Minimum On-Time SYNCIN = High 140 ns OSCILLATOR Nominal Switching Frequency fSW FS = VIN 800 1000 1200 kHz FS with RS = 402kΩ 440 520 600 kHz FS with RS = 42.4kΩ 3200 3700 4200 kHz SYNCIN Logic Low to High Transition Range 0.70 0.75 0.80 V SYNCIN Hysteresis 0.15 V SYNCIN Logic Input Leakage Current VIN = 3.6V 3.6 5 µA SYNCOUT Charging Current ISO PWM 210 250 290 µA PFM 0 µA SYNCOUT Voltage Low 0.3 V PG Output Low Voltage 0.3 V Delay Time (Rising Edge) 0.5 1 2 ms PG Pin Leakage Current 0.01 0.1 µA OVP PG Rising Threshold 0.80 V UVP PG Rising Threshold 80 85 90 % UVP PG Hysteresis 5% PGOOD Delay Time (Falling Edge) 7µs Analog Specifications All parameter limits are established across the recommended operating conditions and are measured at the following conditions: TA = -40°C to +85°C, VIN = 3.6V, EN = VIN, unless otherwise noted. Typical values are at TA = +25°C. Boldface limits apply across the operating temperature range, -40°C to +85°C. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 6)TYP MAX (Note 6)UNIT |
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