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ISL6255A Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL6255A Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 22 page 4 FN9203.2 May 23, 2006 DCSET Input Bias Current Hysteresis 2.2 3.4 4.4 µA DCSET Input Bias Current DCSET ≥ 1.26V 2.2 3.4 4.4 µA DCSET Input Bias Current DCSET < 1.26V -1 0 1 µA OSCILLATOR Frequency 245 300 355 kHz PWM Ramp Voltage (peak-peak) CSIP = 18V 1.6 V CSIP = 11V 1 V SYNCHRONOUS BUCK REGULATOR Maximum Duty Cycle 97 99 99.6 % UGATE Pull-Up Resistance BOOT-PHASE = 5V, 500mA source current 1.8 3.0 Ω UGATE Source Current BOOT-PHASE = 5V, BOOT-UGATE = 2.5V 1.0 A UGATE Pull-down Resistance BOOT-PHASE = 5V, 500mA sink current 1.0 1.8 Ω UGATE Sink Current BOOT-PHASE = 5V, UGATE-PHASE = 2.5V 1.8 A LGATE Pull-Up Resistance VDDP-PGND = 5V, 500mA source current 1.8 3.0 Ω LGATE Source Current VDDP-PGND = 5V, VDDP-LGATE = 2.5V 1.0 A LGATE Pull-Down Resistance VDDP-PGND = 5V, 500mA sink current 1.0 1.8 Ω LGATE Sink Current VDDP-PGND = 5V, LGATE = 2.5V 1.8 A CHARGING CURRENT SENSING AMPLIFIER Input Common-Mode Range 0 18 V Input Offset Voltage Guaranteed by design -2.5 0 2.5 mV Input Bias Current at CSOP 0 < CSOP < 18V 0.25 2 µA Input Bias Current at CSON 0 < CSON < 18V 75 100 µA CHLIM Input Voltage Range 0 3.6 V CSOP to CSON Full-Scale Current Sense Voltage ISL6255: CHLIM = 3.3V 157 165 173 mV ISL6255A: CHLIM = 3.3V 160 165 170 mV ISL6255: CHLIM = 2.0V 95 100 105 mV ISL6255A: CHLIM = 2.0V 97 100 103 mV ISL6255: CHLIM = 0.2V 5.0 10 15.0 mV ISL6255A: CHLIM = 0.2V 7.5 10 12.5 mV CHLIM Input Bias Current CHLIM = GND or 3.3V, DCIN = 0V -1 1 µA CHLIM Power-Down Mode Threshold Voltage CHLIM rising 80 88 95 mV CHLIM Power-Down Mode Hysteresis Voltage 15 25 40 mV ADAPTER CURRENT SENSING AMPLIFIER Input Common-Mode Range 7 25 V Input Offset Voltage Guaranteed by design -2 2 mV Input Bias Current at CSIP and CSIN Combined CSIP = CSIN = 25V 100 130 µA Input Bias Current at CSIN 0 < CSIN < DCIN, Guaranteed by design 0.10 1 µA Electrical Specifications DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = DCSET = 1.5V, ACLIM = VREF, VADJ =Floating, EN =VDD =5V, BOOT-PHASE =5.0V, GND=PGND =0V, CVDD =1µF, IVDD =0mA, TA = -10°C to +100°C, TJ ≤ 125°C, unless otherwise noted. (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS ISL6255, ISL6255A |
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