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ISL8843AUZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL8843AUZ Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 12 page 4 FN9238.0 October 19, 2005 Absolute Maximum Ratings Thermal Information Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . GND - 0.3V to +30.0V OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VDD + 0.3V Signal Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.0V Peak GATE Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A ESD Classification Human Body Model (Per JESD22-A114C.01) . . . . . . . . . . .2000V Machine Model (Per EIA/JESD22-A115-A) . . . . . . . . . . . . . .200V Charged Device Model (Per JESD22-C191-A) . . . . . . . . . .1000V Operating Conditions Temperature Range ISL8843AxZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 105°C ISL8843MxZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55°C to 125°C Supply Voltage Range (Typical) ISL8843 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V - 30V Thermal Resistance (Typical, Note 1) θJA (°C/W) SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 MSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Maximum Junction Temperature . . . . . . . . . . . . . . . . -55°C to 150°C Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C (SOIC, MSOP - Lead Tips Only) 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 with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details. 2. All voltages are with respect to GND. Electrical Specifications ISL8843A - Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application schematic. VDD = 15V, RT = 10kΩ, CT = 3.3nF, TA = -40 to 105°C (Note 3) Typical values are at TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNITS UNDERVOLTAGE LOCKOUT START Threshold 8.0 8.4 9.0 V STOP Threshold 7.3 7.6 8.0 V Hysteresis -0.8 - V Startup Current, IDD VDD < START Threshold - 90 125 µA Operating Current, IDD (Note 4) - 2.9 4.0 mA Operating Supply Current, ID Includes 1nF GATE loading - 4.75 5.5 mA REFERENCE VOLTAGE Overall Accuracy Over line (VDD = 12V to 18V), load, temperature 4.925 5.000 5.050 V Long Term Stability TA = 125°C, 1000 hours (Note 5) - 5 - mV Current Limit, Sourcing -20 - - mA Current Limit, Sinking 5- - mA CURRENT SENSE Input Bias Current VCS = 1V -1.0 - 1.0 µA CS Offset Voltage VCS = 0V (Note 5) 95 100 105 mV COMP to PWM Comparator Offset Voltage VCS = 0V (Note 5) 0.80 1.15 1.30 V Input Signal, Maximum 0.97 1.00 1.03 V Gain, ACS = ∆VCOMP/∆VCS 0 < VCS < 910mV, VFB = 0V 2.5 3.0 3.5 V/V CS to OUT Delay -35 55 ns ERROR AMPLIFIER Open Loop Voltage Gain (Note 5) 60 90 - dB Unity Gain Bandwidth (Note 5) 1.0 1.5 - MHz Reference Voltage VFB = VCOMP 2.475 2.500 2.530 V ISL8843 |
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