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ISL97650B Datasheet(PDF) 2 Page - Intersil Corporation |
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ISL97650B Datasheet(HTML) 2 Page - Intersil Corporation |
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2 / 20 page  2 FN6748.0 July 31, 2008 Absolute Maximum Ratings (TA = +25°C) Thermal Information Maximum Pin Voltages, all pins except below . . . . . . . . . . . . . . 6.5V LX1, LX2, VSUP, NOUT, DELB, C2- . . . . . . . . . . . . . . . . . . . .24V C1- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V VIN1, VINL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5V DRN, COM, POUT, C1+, C2+ . . . . . . . . . . . . . . . . . . . . . . . . .36V CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21V Recommended Operating Conditions Input Voltage Range, VIN . . . . . . . . . . . . . . . . . . . . . . . 4.2V to 14V Boost Output Voltage Range, AVDD . . . . . . . . . . . . . . . . . . . . +20V VON Output Range, VON . . . . . . . . . . . . . . . . . . . . . . +15V to +32V VOFF Output Range, VOFF . . . . . . . . . . . . . . . . . . . . . . .-15V to -5V Logic Output Voltage Range, VLOGIC . . . . . . . . . . . . +1.5V to +3.3V Input Capacitance, CIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2x10µF Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3µH to 10µH Output Capacitance, COUT . . . . . . . . . . . . . . . . . . . . . . . . . . 2x22µF Buck Inductor, L2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3µH to 10µH Operating Ambient Temperature Range . . . . . . . . -40°C to +105°C Operating Junction Temperature . . . . . . . . . . . . . . -40°C to +125°C Thermal Resistance θJA(°C/W) θJC (°C/W) 6x6 TQFN Package (Notes 1, 2) . . . . . 30 2.5 Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C Power Dissipation TA ≤ +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3W TA = +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.8W TA = +85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.3W TA = +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.8W Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty. 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 θ JC, the “case temp” location is the center of the exposed metal pad on the package underside Electrical Specifications VIN = 12V, VBOOST = VSUP = 15V, VON = 25V, VOFF = -8V, over temperature from -40°C to +105°C; 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. PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT SUPPLY PINS VIN Supply Voltage (VIN1) 4.2 12 14 V VINL Logic Supply Voltage 4.2 12 14 V VSUP Charge Pumps and VON Slice Positive Supply 4.0 20 V IVIN Quiescent Current into VIN Enabled, No switching 3 5 mA Disabled 25 50 µA IINL Logic Supply Current Enabled, No switching 0.25 2 mA Disabled 1 25 µA ISUP VSUP Supply Current Enabled, No Switching and VPOUT = VSUP 1mA Disabled 1 10 µA VLOR Undervoltage Lockout Threshold VDC rising 3.85 4.0 V VLOF Undervoltage Lockout Threshold VDC falling 3.3 3.8 V VREF Reference Voltage TA = +25°C 1.18 1.205 1.225 V 1.177 1.205 1.228 V FOSC Oscillator Frequency 440 500 560 kHz AVDD BOOST DMIN Minimum Duty Cycle 710 % DMAX Maximum Duty Cycle 92 94 96 % ILX LX Leakage Current LX = 0V and 24V -50 0.1 50 µA ISL97650B |
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