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ISL6312IRZ Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL6312IRZ Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 35 page 6 FN9289.1 August 21, 2006 Absolute Maximum Ratings Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V Supply Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V Absolute Boot Voltage, VBOOT . . . . . . . . GND - 0.3V to GND + 36V Phase Voltage, VPHASE . . . . . . . . GND - 0.3V to 15V (PVCC = 12) GND - 8V (<400ns, 20µJ) to 24V (<200ns, VBOOT-PHASE = 12V) Upper Gate Voltage, VUGATE . . . . VPHASE - 0.3V to VBOOT + 0.3V VPHASE - 3.5V (<100ns Pulse Width, 2µJ) to VBOOT + 0.3V Lower Gate Voltage, VLGATE. . . . . . . . GND - 0.3V to PVCC + 0.3V GND - 5V (<100ns Pulse Width, 2µJ) to PVCC+ 0.3V Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V ESD Classification . . . . . . . . . . . . . . . . . . . . . . . Class I JEDEC STD Recommended Operating Conditions VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5% PVCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . +5V to 12V ±5% Ambient Temperature (ISL6312CRZ) . . . . . . . . . . . . . 0°C to +70°C Ambient Temperature (ISL6312IRZ) . . . . . . . . . . . . .-40°C to +85°C Thermal Information Thermal Resistance θJA (°C/W) θJC (°C/W) QFN Package (Notes 1, 2) . . . . . . . . . . +32 +3.5 Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . +300°C CAUTION: Stress 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 section of this specification is not implied. 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 θJC, the “case temp” location is the center of the exposed metal pad on the package underside. 3. Parameter magnitude guaranteed by design. Not 100% tested. Electrical Specifications Recommended Operating Conditions, Unless Otherwise Specified. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS BIAS SUPPLIES Input Bias Supply Current IVCC; ENLL = high 15 20 25 mA Gate Drive Bias Current - PVCC1_2 Pin IPVCC1_2; ENLL = high 2 4.3 6 mA Gate Drive Bias Current - PVCC3 Pin IPVCC3; ENLL = high 1 2.1 3 mA VCC POR (Power-On Reset) Threshold VCC rising 4.25 4.38 4.50 V VCC falling 3.75 3.88 4.00 V PVCC POR (Power-On Reset) Threshold PVCC rising 4.25 4.38 4.50 V PVCC falling 3.60 3.88 4.00 V PWM MODULATOR Oscillator Frequency Accuracy, FSW RT = 100kΩ (± 0.1%) 225 250 275 kHz Adjustment Range of Switching Frequency (Note 3) 0.08 - 1.0 MHz Oscillator Ramp Amplitude, VPP (Note 3) - 1.50 - V Maximum Duty Cycle (Note 3) (Note 3) - 99.5 - % CONTROL THRESHOLDS ENLL Rising Threshold -0.85 - V ENLL Hysteresis -110 - mV EN_PH4 Rising Threshold 1.160 1.210 1.250 V EN_PH4 Falling Threshold 1.00 1.06 1.10 V COMP Shutdown Threshold COMP falling 0.1 0.2 0.3 V ISL6312 ISL6312 |
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