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EL7556BCM-T13 Datasheet(PDF) 2 Page - Elantec Semiconductor |
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EL7556BCM-T13 Datasheet(HTML) 2 Page - Elantec Semiconductor |
2 / 13 page 2 EL7556BC Integrated Adjustable 6 Amp Synchronous Switcher Absolute Maximum Ratings (T A = 25°C) Storage Temperature Range -65°C to +150°C Supply (VIN) 6.0V Ambient Operating Temperature -40°C to +85°C Output Pins -0.3V below GND, +0.3V above VDD Operating Junction Temperature 135°C Peak Output Current 9A Electrical Characteristics VDD = VIN = 5V, COSC = 1nF, CSLOPE = 470pF, TA = 25°C unless otherwise specified. Parameter Description Conditions Min Typ Max Unit General IDD VDD Supply Current OUTEN = 4V, FOSC = 120kHz 11 25 mA IDDOFF VDD Standby Current OUTEN = 0 0.1 mA IVIN VIN No Load Current OUTEN = 0 3 5 mA VOUT1 Output Initial Accuracy VCC2DET = 4V, IL = 3A (See Fig. 1) 3.450 3.500 3.550 V VOUT2 Output Initial Accuracy VCC2DET = 0V, IL = 3A R3 = 150Ω, R4 = 100 Ω (See Fig. 1) 2.450 2.500 2.550 V VOUTLINE Output line Regulation VDD = 5V, ±10% -1 1 % VOUTLOAD Output Load Regulation 0A<ILOAD<6A, Relative to IL = 3A. Continu- ous Mode of Operation (See Fig.1) -1 1 % RSHORT Short Circuit Load Resistance IL = 6A, Prior to Continuous Application of RSHORT. OUTEN Connected to OT. 100 m Ω II MAX Current Limit 9 A VOUTTC Output Tempco -40°C<TA<85°C ±1 % TOT Over Temperature Threshold 135 °C THYS Over Temperature Hysteresis 40 °C VPWRGD Power Good Threshold Relative to Programmed Output Voltage VCC2SEL = 4V, VOUT = 3.50V ±6 ±10 ±14 % VDDOFF Minimum VDD for Shutdown 3.15 V VDDON Maximum VDD for Startup 4.15 V VHYS Input Hysteresis VHYS = VDDON-VDDOFF 0.5 V MSS Soft start slope 7 V/mS DMAX Maximum duty cycle 96 % Controller - Inputs IPUP VCC2DET, OUTEN Pull Up Current VCC2DET, OUTEN = 0 10 14 18 µA ICSLOPE Cslope Charging Current 23 28.5 34 µA IFB1 FB1 Input Pull Up Current 2 µA ROT Over Temperature Pull Up Resistance OT = 0V 30 40 50 k Ω VIH VCC2DET, OUTEN Input High 4 V VIL VCC2DET, OUTEN Input Low 0.8 V VOH PWGD Powergood Drive High ILOAD = 1mA 3.5 V VOL PWGD Powergood Drive Low ILOAD = -1mA 1.0 V Controller - Reference VREF Reference Accuracy IREF = 0 1.247 1.260 1.273 V VREFTC Reference Voltage Tempco 50 ppm/ºC VREFLOAD Reference Load Regulation 0<ILOAD<100µA 0.5 0.5 %/ºC 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. |
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