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EL7564CM Datasheet(PDF) 2 Page - Elantec Semiconductor |
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EL7564CM Datasheet(HTML) 2 Page - Elantec Semiconductor |
2 / 18 page 2 EL7564C Monolithic 4 Amp DC:DC Step-down Regulator Absolute Maximum Ratings (T A = 25°C) Supply Voltage between VIN or VDD and GND +6V VLX Voltage VIN +0.3V Input Voltage GND -0.3V, VDD +0.3V VHI Voltage GND -0.3V, VLX +6V Storage Temperature -65°C to +150°C Operating Ambient Temperature -40°C to +85°C Operating Junction Temperature +135°C Important Note: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA. DC Characteristics VDD = VIN = 5V, TA = TJ = 25°C, COSC = 1.2nF, unless otherwise specified. Parameter Description Conditions Min Typ Max Unit VREF Reference Accuracy 1.24 1.26 1.28 V VREFTC Reference Temperature Coefficient 50 ppm/°C VREFLOAD Reference Load Regulation 0<IREF<50µA -1 % VRAMP Oscillator Ramp Amplitude 1.15 V IOSC_CHG Oscillator Charge Current 0.1V<VOSC<1.25V 200 µA IOSC_DIS Oscillator Discharge Current 0.1V<VOSC<1.25V 8 mA IVDD+VDRV VDD+VDRV Supply Current VEN = 4V, FOSC = 120kHz 2 3.5 5 mA IVDD_OFF VDD Standby Current EN = 0 1 1.5 mA VDD_OFF VDD for Shutdown 3.5 3.9 V VDD_ON VDD for Startup 4 4.35 V TOT Over Temperature Threshold 135 °C THYS Over Temperature Hysteresis 20 °C ILEAK Internal FET Leakage Current EN = 0, LX = 5V (low FET), LX = 0V (high FET) 10 µA ILMAX Peak Current Limit 5 A RDSON FET On Resistance Wafer level test only 30 60 m Ω RDSONTC RDSON Tempco 0.2 m Ω/°C ISTP Auxilliary Supply Tracking Positive Input Pull Down Current VSTP = VIN/2 -4 2.5 µA ISTN Auxilliary Supply Tracking Negative Input Pull Up Current VSTN = VIN/2 2.5 4 µA VPGP Positive Power Good Threshold With respect to target output voltage 6 14 % VPGN Negative Power Good Threshold With respect to target output voltage -14 -6 % VPG_HI Power Good Drive High IPG = 1mA 4 V VPG_LO Power Good Drive Low IPG = -1mA 0.5 V VOVP Over Voltage Protection 10 % VFB Output Initial Accuracy ILOAD = 0A 0.960 0.975 0.99 V VFB_LINE Output Line Regulation VIN = 5V, ∆VIN = 10%, ILOAD = 0A 0.5 % VFB_LOAD Output Load Regulation 0.5A< ILOAD <4A 0.5 % VFB_TC Output Temperature Stability -40°C < TA<85°C, ILOAD = 2A ±1 % IFB Feedback Input Pull Up Current VFB = 0V 100 200 nA VEN_HI EN Input High Level 3.2 4 V VEN_LO EN Input Low Level 1 V IEN Enable Pull Up Current VEN = 0 -4 -2.5 µA |
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