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EL7566DREZ-T7 Datasheet(PDF) 4 Page - Intersil Corporation |
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EL7566DREZ-T7 Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 14 page 4 FN7102.7 May 8, 2006 VEN_HI EN Input High Threshold 2.6 V VEN_LO EN Input Low Threshold 1V IEN Enable Pull-up Current VEN = 0 -4 -2.5 µA TM, SEL_HI Input High Level 2.6 V TM, SEL_LO Input Low Level 1V DC Electrical Specifications VDD = VIN = 3.3V, TA = TJ = 25°C, COSC = 390pF, Unless Otherwise Specified (Continued) PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT Pin Descriptions PIN NUMBER PIN NAME PIN FUNCTION 1 COMP Error amplifier output; place loop compensation components here 2 VREF Bandgap reference bypass capacitor; typically 0.022µF to 0.047µF to SGND 3 FB Voltage feedback input; connected to external resistor divider between VOUT and SGND for adjustable output; also used for speed-up capacitor connection 4 VO Output sense for fixed output option. This pin can be open for EL7566 5 VTJ Junction temperature monitor output 6 TM Stress test enable; allows ±5% output movement; connect to SGND if function is not used 7 SEL Positive or negative stress select; see text 8, 9, 10, 11, 12, 13 LX Inductor drive pin; high current output whose average voltage equals the regulator output voltage 14, 15 NC Not used 16, 17, 18 PGND Ground return of the regulator; connected to the source of the low-side synchronous NMOS Power FET 19, 20, 21 VIN Power supply input of the regulator; connected to the drain of the high-side PMOS Power FET 22 VDD Control circuit positive supply; connected to VIN through an internal 20Ω resistor 23 PG Power-good window comparator output; logic 1 when regulator output is within ±10% of target output voltage 24 EN Chip enable, active high; a 2.5µA internal pull-up current enables the device if the pin is left open; a capacitor can be added at this pin to delay the start of a converter 25 STP Auxilliary supply tracking positive input; tied to regulator output to synchronize start-up with a second supply; leave open for standalone operation; 2µA internal pull-up current 26 STN Auxiliary supply tracking negative input; connect to output of a second supply to synchronize start-up; leave open for standalone operation; 2µA internal pull-up current 27 COSC Oscillator timing capacitor (see performance curves) 28 SGND Control circuit negative supply or signal ground EL7566 |
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