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ISL97645IRZ-T Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL97645IRZ-T Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 14 page 3 FN9263.0 April 11, 2006 Absolute Maximum Ratings Thermal Information Lx to GND, AGND and PGND . . . . . . . . . . . . . . . . . . . . -0.5 to +25V VDD2, OUT, NEG and POS to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +25V VDD1, VGH and VGH_M to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +32V Differential Voltage Between POS and NEG . . . . . . . . . . . . . . . ±6V Voltage Between GND, AGND and PGND . . . . . . . . . . . . . . . ±0.5V All Other Pins to GND, AGND and PGND . . . . . . . . . . -0.5 to +6.5V Input, Output, or I/O Voltage . . . . . . . . . . . GND -0.3V to VIN + 0.3V Recommended Operating Conditions Input Voltage Range, VS . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V Boost Output Voltage Range, AVDD . . . . . . . . . . . . . . . . . 8V to 20V Input Capacitance, CIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22µF Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3µH to 10µH Output Capacitance, COUT . . . . . . . . . . . . . . . . . . . . . . . . . . 2x22µF Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C Thermal Resistance θJA(°C/W) θJC (°C/W) 4x4 QFN Package (Notes 1, 2) . . . . . . 39 2.5 Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves Maximum Continuous Junction Temperature . . . . . . . . . . . . 125°C Power Dissipation TA ≤ 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.44W TA = 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.34W TA = 85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.98W TA = 100°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.61W 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. Electrical Specifications VIN = ENABLE = 5V, VDD1 = VDD2 = 14V, VGH = 25V, AVDD = 10V, TA = -40°C to 85°C Unless Otherwise Noted. SYMBOL PARAMETER TEST CONDITION MIN TYP MAX UNIT GENERAL VS VINInput Voltage Range 2.7 3.3 5.5 V IS_DIS VIN Supply Currents when Disabled ENABLE = 0V 0.2 2 µA IS VIN Supply Currents ENABLE = 5V, LX not switching 1 mA UVLO Undervoltage Lockout Threshold VIN2 Rising 2.3 2.45 2.6 V VIN2 Falling 2.2 2.35 2.5 V OTR Thermal Shutdown Temperature Temperature Rising 140 °C OTF Temperature Falling 100 °C LOGIC INPUT CHARACTERISTICS - ENABLE, VFLK, FREQ, VDPM VIL Low Voltage Threshold 0.8 V VIH High Voltage Threshold 2.2 V RIL Pull-Down Resistor Enabled, Input at Vin 150 250 400 k Ω STEP-UP SWITCHING REGULATOR AVDD Output Voltage Range VIN*1.25 20 V ∆AVDD/∆IOUT Load Regulation 50mA < ILOAD < 250mA 0.2 % ∆AVDD/∆VIN Line Regulation ILOAD = 150mA, 3.0 < VIN < 5.5V 0.15 0.25 %/V ACCAVDD Overall Accuracy (Line, Load, Temperature) 10mA < ILOAD < 300mA, 3.0 < Vin < 5.5V, 0°C < TA < 85°C -3 3 % VFB Feedback Voltage (VFB)ILOAD = 100mA, TA = 25°C 1.20 1.21 1.22 V ILOAD = 100mA, TA = -40°C to +85°C 1.19 1.21 1.23 V ISL97645 |
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