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ISL6549IRZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL6549IRZ Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 18 page 4 FN9168.2 September 22, 2006 ISL6549 Absolute Maximum Ratings Thermal Information VCC12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +14V PVCC5, VCC5 . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +7V VCC5 (if used with external supply). . . . . . . . . . . GND - 0.3V to +6V BOOT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +27V PHASE. . . . . . . . . . . . . . . . . . . . . . . . VBOOT - 7V to VBOOT + 0.3V VBOOT - VPHASE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V UGATE. . . . . . . . . . . . . . . . . . . . . . VPHASE - 0.3V to VBOOT + 0.3V LGATE . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to PVCC5 + 0.3V LDO_DR . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VCC12 + 0.3V FB, LDO_FB, COMP, FS_DIS . . . . . . . GND - 0.3V to VCC5 + 0.3V ESD Classification Human Body Model (Per JESD22-A114C) . . . . . . . . . . . . . . Class 2 Machine Model (Per EIA/JESD22-A115-A) . . . . . . . . . . . . . .Class B Charge Device Model (Per JESD22-C101C). . . . . . . . . . . . Class IV Thermal Resistance θJA (°C/W) θJC (°C/W) SOIC Package (Note 1) . . . . . . . . . . . . 105 N/A QFN Package (Notes 2, 3). . . . . . . . . . 52 14 QSOP Package (Note 1) . . . . . . . . . . . 110 N/A Maximum Junction Temperature (Plastic Package) . . . . . . +150°C Maximum Storage Temperature Range . . . . . . . . . -65°C to +150°C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . +300°C (SOIC - Lead Tips Only) Recommended Operating Conditions External Supply Voltage on VCC5 . . . . . . . . . . . . . . . . . . +5.0V ±5% Supply Voltage on VCC12 . . . . . . . . . . . . . . . . . . . . . . . +12V ±10% Ambient Temperature Range (C). . . . . . . . . . . . . . . . . . 0°C to 70°C Ambient Temperature Range (I) . . . . . . . . . . . . . . . . -40°C to +85° Junction Temperature Range. . . . . . . . . . . . . . . . . . . 0°C to +125°C 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. θ JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details. 2. 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. 3. For θ JC, the “case temp” location is the center of the exposed metal pad on the package underside. Electrical Specifications Recommended Operating Conditions, unless otherwise noted. VCC12 = 12V Temperature = 0 to +70°C (typical = +25°C) for Commercial; Temperature = -40 to + 85°C (typical = +25°C) for Industrial. Refer to Block Diagram, Simplified Power System Diagram, and Typical Application Schematic. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS VCC SUPPLY CURRENT Nominal Supply Current VCC12 (disabled) ICC12 dis UGATE, LGATE and LDO_DR open; FS_DIS = GND 23 mA Nominal Supply Current VCC5 (disabled) ICC5 dis UGATE, LGATE and LDO_DR open; FS_DIS = GND (Note 4) 57.5 mA Nominal Supply Current VCC12 (includes PVCC5 current) ICC12 UGATE, LGATE and LDO_DR open; FOSC = 620kHz 12 18 mA Nominal Supply Current VCC5 ICC5 UGATE, LGATE and LDO_DR open; FOSC = 620kHz 46 mA Maximum PVCC5 Current Available (Note 5) IPVCC5 100 mA VCC12 to PVCC5 Current Limit (Note 5) IPVCC5CL 150 mA PVCC5 Voltage VPVCC5 ISL6549C; No external load 4.95 5.25 5.8 V ISL6549I; No external load 4.85 5.25 5.8 POWER-ON RESET Rising VCC5 Threshold VCC12 = 12V 3.7 4.2 4.5 V Falling VCC5 Threshold VCC12 = 12V 3.3 3.8 4.1 V Rising VCC12 Threshold VCC5 = 5V 8.8 9.5 10.0 V Falling VCC12 Threshold VCC5 = 5V 7.0 7.5 8.0 V OSCILLATOR AND SOFT-START Switching Frequency FOSC ISL6549C; RFS_DIS = 45.3kΩ 540 620 700 kHz ISL6549I; RFS_DIS = 45.3kΩ 525 620 700 kHz |
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