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ISL6424 Fiches technique(PDF) 5 Page - Intersil Corporation |
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ISL6424 Fiches technique(HTML) 5 Page - Intersil Corporation |
5 / 12 page 5 FN9175.3 September 13, 2005 Absolute Maximum Ratings Thermal Information Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V Logic Input Voltage Range (SDA, SCL, ENT, DSQIN 1&2, SEL18V 1&2) . . . . . . -0.5V to 7V Thermal Resistance (Typical, Notes 1, 2) θJA (°C/W) θJC (°C/W) QFN Package. . . . . . . . . . . . . . . . . . . . 32 4 Maximum Junction Temperature (Note 3) . . . . . . . . . . . . . . . . 150°C Maximum Storage Temperature Range . . . . . . . . . . . -40°C to 150°C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C Operating Temperature Range . . . . . . . . . . . . . . . . . . -20°C to 85°C CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTES: 1. θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech Brief TB379. 2. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside. 3. The device junction temperature should be kept below 150°C. Thermal shut-down circuitry turns off the device if junction temperature exceeds +150°C typically. Electrical Specifications VCC = 12V, TA = -20°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. EN1 = EN2 = H, LLC1 = LLC2 = L, ENT1 = ENT2 = L, DCL = L, DSQIN1 = DSQIN2 = L, Iout = 12mA, unless otherwise noted. See software description section for I2C access to the system. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Operating Supply Voltage Range 812 14 V Standby Supply Current EN1 = EN2 = L - 1.5 3.0 mA Supply Current IIN EN1 = EN2 = LLC1 = LLC2 = VSEL1 = VSEL2 = ENT1 = ENT2 = H, No Load -4.0 8.0 mA UNDERVOLTAGE LOCKOUT Start Threshold 7.5 - 7.95 V Stop Threshold 7.0 - 7.55 V Start to Stop Hysteresis 350 400 500 mV SOFT-START COMP Rise Time (Note 4) (Note 5) - 512 - Cycles Output Voltage (Note 5) VO1 VSEL1 = L, LLC1 = L 12.74 13.0 13.26 V VO1 VSEL1 = L, LLC1 = H 13.72 14.0 14.28 V VO1 VSEL1 = H, LLC1 = L 17.64 18.0 18.36 V VO1 VSEL1 = H, LLC1 = H 18.62 19.0 19.38 V VO2 VSEL2 = L, LLC2 = L 12.74 13.0 13.26 V VO2 VSEL2 = L, LLC2 = H 13.72 14.0 14.28 V VO2 VSEL2 = H, LLC2 = L 17.64 18.0 18.36 V VO2 VSEL2 = H, LLC2 = H 18.62 19.0 19.38 V Line Regulation DVO1, DVO2 VIN = 8V to 14V; VO1, VO2 = 13V - 4.0 40.0 mV VIN = 8V to 14V; VO1, VO2 = 18V - 4.0 60.0 mV Load Regulation DVO1, DVO2 IO = 12mA to 350mA - 50 80 mV IO = 12mA to 750mA (Note 6) - 100 200 mV Dynamic Output Current Limiting IMAX DCL = L, ISEL1/2 = L 425 - 550 mA DCL = L, ISEL1/2 = H (Note 6) 775 850 950 mA Dynamic Overload Protection Off Time TOFF DCL = L, Output Shorted (Note 6) - 900 - ms Dynamic Overload Protection On Time TON - 20 - ms ISL6424 |
Numéro de pièce similaire - ISL6424 |
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Description similaire - ISL6424 |
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