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ISL97646IRZ-T Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL97646IRZ-T Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 15 page 3 FN6265.1 December 14, 2007 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 LDO Output Capacitance. . . . . . . . . . . . . . . . . . . . . . .2.2µF to 10µF Output Capacitance, COUT . . . . . . . . . . . . . . . . . . . . . . . . . . 2x22µF Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C Thermal Resistance θ JA (°C/W) θ JC (°C/W) 4x4 QFN Package (Notes 1, 2) . . . . . . 39 2.5 Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C 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 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. θ JA 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 VIN1 =VIN2 = 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 VIN1, VIN2 Input Voltage Range See separate LDO specifications on page 4 2.7 5.0 5.5 V IS_DIS Sum of VIN1, VIN2 Supply Currents when Disabled ENABLE = 0V 0.2 2 µA IS Sum of VIN1, VIN2 Supply Currents ENABLE = 5V, LX not switching, LDO not loaded 1mA 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 VIN2 150 250 400 k Ω STEP-UP SWITCHING REGULATOR AVDD Output Voltage Range VIN*1.25 20 V ΔA VDD/ΔIOUT Load Regulation 50mA < ILOAD < 250mA 0.2 % ΔA VDD/ΔVIN Line Regulation ILOAD = 150mA, 3.0 < VIN1 < 5.5V 0.15 0.25 %/V ACCAVDD Overall Accuracy (Line, Load, Temperature) 10mA < ILOAD < 300mA, 3.0 < VIN1 < 5.5V, 0°C < TA < +85°C -3 3 % ISL97646 |
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