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ISL97650 Datasheet(PDF) 3 Page - Renesas Technology Corp |
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ISL97650 Datasheet(HTML) 3 Page - Renesas Technology Corp |
3 / 20 page ISL97650 FN9198 Rev.4.00 Page 3 of 20 April 17, 2009 VBOOST Boost Output Range 1.25 *VIN 20 V IBOOST Boost Switch Current Current limit 2.6 3.2 3.8 A EFFBOOST Peak Efficiency See graphs and component recommendations 90+ % rDS(ON) Switch On Resistance 160 300 m VBOOST/VIN Line Regulation 5V < VIN < 13V 0.4 1.0 %/V VBOOST/IOUT Load Regulation 100mA < load < 200mA 0.1 0.5 % VFBB Boost Feedback Voltage TA = +25°C 1.192 1.205 1.218 V 1.188 1.205 1.222 V ACCBOOST AVDD Output Accuracy TA = +25°C -1.5 1.5 % tss Soft-Start Period for AVDD CDEL = 220nF 9.6 ms VLOGIC BUCK VBUCK Buck Output Voltage Output current = 0.5A 1.5 5.5 V IBUCK Buck Switch Current Current limit 2.0 2.4 2.9 A EFFBUCK Peak Efficiency See graphs and component recommendations 92 % RDS-ONBK Switch ON-Resistance 200 400 m VBUCK/VIN Line Regulation 5V < VIN < 13V 0.1 1.0 %/V VBUCK/IOUT Load Regulation 100mA < load < 500mA 0.2 1 % VFBL FBL Regulation Voltage TA = +25°C 1.176 1.2 1.224 V 1.174 1.2 1.226 V ACCLOGIC VLOGIC Output Accuracy TA = +25°C -2 2 % tssL Soft-Start Period for V(Logic) C(VREF) = 220nF (Note - no soft-start if EN asserted HIGH before ENB) 0.5 ms NEGATIVE (VOFF) CHARGE PUMP VOFF VOFF Output Voltage Range 2X Charge Pump -VSUP +1.4V 0V ILoad_NCP_min External Load Driving Capability VSUP > 5V 30 mA Ron(NOUT)H High-Side Driver ON-Resistance at NOUT I(NOUT) = +60mA 10 Ron(NOUT)L Low-Side Driver ON-Resistance at NOUT I(NOUT) = -60mA 5 Ipu(NOUT)lim Pull-Up Current Limit in NOUT V(NOUT) = 0V to V(SUP)-0.5V 60 270 mA Ipd(NOUT)lim Pull-Down Current Limit in NOUT V(NOUT) = 0.36V to V(VSUP) -200 -60 mA I(NOUT)leak Leakage Current in NOUT V(FBN) < 0 or EN = LOW -5 5 µA VFBN FBN Regulation Voltage TA = +25°C 0.173 0.203 0.233 V 0.171 0.203 0.235 V ACCN VOFF Output Accuracy IOFF = 1mA, TA = +25°C -3 +3 % D_NCP_max Max Duty Cycle of the Negative Charge Pump 50 % Rpd(FBN)off Pull-Down Resistance, Not Active I(FBN) = 500µA 1.5 3.3 5.5 k Electrical Specifications VIN = 12V, VBOOST = VSUP = 15V, VON = 25V, VOFF = -8V, over-temperature from -40°C to +105°C, unless otherwise stated. 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 DESCRIPTION CONDITIONS MIN TYP MAX UNIT |
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