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EL7640ILTZ Datasheet(PDF) 3 Page - Intersil Corporation |
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EL7640ILTZ Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 19 page 3 FN7415.1 September 26, 2005 Absolute Maximum Ratings (TA = 25°C) IN, CTL to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V COMP, FB, FBP, FBN, DEL, REF to AGND. . . . . -0.3V to VIN+0.3V PGND, BGND to AGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V LX to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +24V SUP to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +18V DRVP, SRC to AGND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +36V POS1, NEG1, OUT1, POS2, NEG2, OUT2, POS3, OUT3, POS4, NEG4, OUT4, POS5, OUT5 to AGND . . -0.3V to VSUP+0.3V DRVN to AGND . . . . . . . . . . . . . . . . . . . . . . . VIN -20V to VIN +0.3V COM, DRN to AGND . . . . . . . . . . . . . . . . . . . . -0.3V to VSRC +0.3V LX Maximum Continuous RMS Output Current. . . . . . . . . . . . . 1.6A OUT1, OUT2, OUT3, OUT4, OUT5 Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . ±75mA Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Maximum Continuous Junction Temperature . . . . . . . . . . . . +125°C Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°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. IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA Electrical Specifications VIN = 3V, VBOOST = VSUP = 12V, VSRC = 20V, Over temperature from -40°C to 85°C. Unless Otherwise Specified. PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT SUPPLY VIN Input Supply Range 2.6 5.5 V VLOR Undervoltage Lockout Threshold VIN rising 2.4 2.5 2.6 V VLOF Undervoltage Lockout Threshold VIN falling 2.2 2.3 2.4 V IS Quiescent Current LX not switching 2.5 mA ISS Quiescent Current - Switching LX switching 5 10 mA TFD Fault Delay Time CDEL = 220nF 52 ms VREF Reference Voltage TA = 25°C 1.19 1.215 1.235 V 1.187 1.215 1.238 V SHUTDN Thermal Shutdown Temperature 140 °C MAIN BOOST REGULATOR VBOOST Output Voltage Range (Note 1) VIN+ 15% 18 V FOSC Oscillator Frequency 1050 1200 1350 kHz DCM Maximum Duty Cycle 82 85 % VFBB Boost Feedback Voltage TA = 25°C 1.192 1.205 1.218 V 1.188 1.205 1.222 V VFTB FB Fault Trip Level Falling edge 0.85 0.925 1.020 V ∆VBOOST/ ∆IBOOST Load Regulation 50mA < ILOAD < 250mA 0.1 % ∆VBOOST/ ∆VIN Line Regulation VIN = 2.6V to 5.5V 0.08 %/V IFB Input Bias Current VFB = 1.35V 500 nA gmV FB Transconductance dI = ±2.5µA at COMP, FB = COMP 160 µA/V RONLX LX On Resistance 160 m Ω ILEAKLX LX Leakage Current VFB = 1.35V, VLX = 13V 0.02 40 µA ILIMLX LX Current Limit Duty cycle = 65% (Note 1) 3.0 A tSSB Soft-Start Period CDEL = 220nF 2 ms EL7640, EL7641, EL7642 |
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