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ISL78220 Datasheet(PDF) 7 Page - Renesas Technology Corp |
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ISL78220 Datasheet(HTML) 7 Page - Renesas Technology Corp |
7 / 22 page ISL78220 FN7688 Rev 4.00 Page 7 of 22 September 2, 2014 Absolute Maximum Ratings Thermal Information Supply Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND-0.3V to +45V All ISEN_ Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIN - 5V to VIN + 0.3V VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +6V All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VCC + 0.3V ESD Rating Human Body Model (Tested per JESD22-A114E) . . . . . . . . . . . . . . .2.5kV Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . 200V Charge Device Model (Tested per AEC-Q100-11) . . . . . . . . . . . . . . 1.5kV Latch-up (Tested per JESD78B, Class II, Level A) . . . . . . . . . . . . . . . 100mA Thermal Resistance (Typical) JA (°C/W) JC (°C/W) 44 Ld EP-TQFP Package (Notes 4, 5) . . . . . . 28 2.5 Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493 Operating Conditions Voltage at VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.6V to +40V All ISEN_ Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIN - 5V to VIN + 0.3V Voltage at VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+5V ±5% Ambient Temperature (Auto) . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C 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: 4. 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. 5. For JC, the “case temp” location is the center of the exposed metal pad on the package underside. Electrical Specifications Operating Conditions: VIN = 12V, TA = -40°C to +125°C, unless otherwise specified. Typical specifications are at TA = +25°C. Boldface limits apply across the operating temperature range, -40°C to +125°C. PARAMETER TEST CONDITIONS MIN (Note 6)TYP MAX (Note 6)UNITS SUPPLY INPUT Input Voltage Range 5.6 12 40 V Input Supply Current (Normal Mode) VIN = 12V, RFS = 158kΩ(For fS = 250kHz)EN = 5V 8 12 mA Input Supply Current (Shutdown Mode) VIN = 12V, RFS = 158kΩ(For fS = 250kHz)EN = 0V 10 µA INTERNAL LINEAR REGULATOR LDO Output Voltage (VCC Pin) VIN > 5.6V, CL = 4.7µF from VCC to GND, IVCC < 50mA 4.75 5 5.25 V LDO Current Limit (VCC pin) VCC = 3V, CL = 4.7µF from VCC to GND 200 (Note 7) mA POWER-ON RESET (POR) AND ENABLE POR Threshold VCC Rising 4.4 4.5 4.6 V VCC Falling 4.1 4.2 4.3 V EN Threshold Rising 1.1 1.2 1.3 V Hysteresis 70 mV OSCILLATOR Accuracy of Switching Frequency Setting RFS = 158kΩfrom FS to GND 225 250 275 kHz Adjustment Range of Switching Frequency 75 1000 kHz FS pin voltage 1V SOFT-START Soft-Start Current CSS = 2.2nF from SS to GND 4 5 6 µA Soft-Start Pre-Bias Voltage Range 02 V Soft-Start Pre-Bias Voltage Accuracy VFB = 500mV -25 25 mV Soft-Start Clamp Voltage 3.4 V REFERENCE VOLTAGE System Accuracy -40°C to +125°C, measure at FB pin, VREF2 > 2.5V 1.98 2 2.02 V FB Pin Input Bias Current VFB = 2V, VREF2 > 2.5V -1 1 µA VREF2 Pin Input Bias Current VREF2 = 1.6V -1 1 µA |
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