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ISL6422 Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL6422 Datasheet(HTML) 5 Page - Intersil Corporation |
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5 FN9190.1 April 10, 2007 Absolute Maximum Ratings Thermal Information Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V Logic Input Voltage Range (SDA, SCL, ENT, DSQIN1 and DSQIN2, SEL18V1 and SEL18V2) . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V Thermal Resistance (Typical, Notes 2, 3) θJA (°C/W) θJC (°C/W) EPTSSOP Package . . . . . . . . . . . . . . . 29 4 QFN Package. . . . . . . . . . . . . . . . . . . . 34 6 Maximum Junction Temperature (Note 4) . . . . . . . . . . . . . . . +150°C Maximum Storage Temperature Range . . . . . . . . . . -40°C to +150°C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . +300°C (SOIC - Lead Tips Only) 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. +150°C max junction temperature is intended for short periods of time to prevent shortening the lifetime. Operation close to +150°C junction may trigger the shutdown of the device even before +150°C, since this number is specified as typical. NOTES: 2. 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. 3. For θ JC, the "case temp" location is the center of the exposed metal pad on the package underside. 4. 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, VTOP1 = VTOP2 = L, ENT1 = ENT2 = L, DCL = L, DSQIN1 = DSQIN2 = L, IOUT = 12mA, unless otherwise noted. See “ISL6422 Software Description” on page 12 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 = VTOP1 = VTOP2 = VBOT1 = VBOT2 = 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 5) (Note 5) 8196 Cycles Output Voltage (Note 5) VOUT1 (Refer to Table 11) 13.04 13.3 13.56 V VOUT1 (Refer to Table 11) 14.02 14.3 14.58 V VOUT1 (Refer to Table 11) 17.94 18.3 18.66 V VOUT1 (Refer to Table 11) 19.00 19.3 19.68 V VOUT2 (Refer to Table 15) 13.04 13.3 13.56 V VOUT2 (Refer to Table 15) 14.02 14.3 14.58 V VOUT2 (Refer to Table 15) 17.94 18.3 18.66 V VOUT2 (Refer to Table 15) 19.00 19.3 19.68 V Line Regulation DVOUT1, DVOUT2 VIN = 8V to 14V; VOUT1, VOUT2 = 13V 4.0 40.0 mV VIN = 8V to 14V; VOUT1, VOUT2 = 18V 4.0 60.0 mV Load Regulation DVOUT1, DVOUT2 IO = 12mA to 350mA 50 80 mV IO = 12mA to 750mA 100 200 mV ISL6422 |
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