el7563cre-t7 Intersil Corporation, el7563cre-t7 Datasheet
el7563cre-t7
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el7563cre-t7 Summary of contents
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Data Sheet Monolithic 4 Amp DC/DC Step-Down Regulator The EL7563 is an integrated, full-featured synchronous step- down regulator with output voltage adjustable from 1.0V to 2.5V capable of delivering 4A continuous current 95% efficiency. ...
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... PACKAGE EL7563CM 20-Pin SO (0.300”) EL7563CMZ 20-Pin SO (0.300”) (See Note) (Pb-free) EL7563CMZ-T13 20-Pin SO (0.300”) (See Note) (Pb-free) EL7563CRE 28-Pin HTSSOP EL7563CRE-T7 28-Pin HTSSOP EL7563CRE-T13 28-Pin HTSSOP EL7563CREZ 28-Pin HTSSOP (See Note) (Pb-free) EL7563CREZ-T7 28-Pin HTSSOP (See Note) (Pb-free) EL7563CREZ-T13 ...
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Absolute Maximum Ratings (T A Supply Voltage between and GND . . . . . . . . . . . . +4. Voltage . . . . . . . . . . ...
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Closed-Loop AC Electrical Specifications PARAMETER DESCRIPTION F Oscillator Initial Accuracy OSC t Minimum Oscillator Sync Width SYNC M Soft Start Slope SS t FET Break Before Make Delay BRM t High Side FET Minimum On Time LEB D Maximum Duty ...
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... Chip enable, active high; a 2µA 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 converter =1.8V =1V 3 3 PIN FUNCTION V =3.3V IN 100 95 V =2. =1. =1. 0.1 0.6 1.1 1.6 2.1 2.6 3.1 I (A) O FIGURE 2. EL7563CRE EFFICIENCY 3.6 4 FN7296.2 May 13, 2005 ...
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... WITH 100 LFPM AIRFLOW 34 1 OZ. COPPER PCB USED 30 1 1.5 2 2.5 PCB COPPER HEAT-SINKING AREA (in FIGURE 7. EL7563CM T vs COPPER AREA JA 6 EL7563 (Continued) V =1. = =2. 3.5 4 (A) O FIGURE 4. EL7563CRE TOTAL CONVERTER POWER LOSS O =3.6V V =3. = 3 FIGURE 8. EL7563CRE THERMAL RESISTANCE vs PCB 1.6 1.4 1.2 V =2. 0.8 0 ...
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... FIGURE 11. SWITCHING FREQUENCY vs TEMPERATURE =3. = -40 - (°C) J FIGURE 13. CURRENT LIMIT EL7563 (Continued) 200 LFM 3 4 FIGURE 10. EL7563CRE JUNCTION TEMPERATURE RISE =3. 100 120 1 (A) O ...
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Typical Performance Curves (20 Pin SO Package) NOTE: The 28-Pin HTSSOP Package Offers Improved Performance V =3.3V, V =1.8V 'VIN FIGURE 15. SWITCHING WAVEFORMS V =3.3V, V =1.8V, I ...
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Typical Performance Curves (20 Pin SO Package) NOTE: The 28-Pin HTSSOP Package Offers Improved Performance Block Diagram VTJ JUNCTION TEMPERATURE 2.2nF CONTROLLER SUPPLY 22 3.3V 0.22µF EN STP POWER TRACKING STN SGND 9 EL7563 (Continued) V =3.3V, V ...
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Applications Information Circuit Description General The EL7563 is a fixed frequency, current mode controlled DC/DC converter with integrated N-channel power MOSFETs and a high precision reference. The device incorporates all the active circuitry required to implement a cost effective, user-programmable ...
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Reference A 1.5% temperature compensated bandgap reference is integrated in the EL7563. The external V as the dominant pole of the amplifier and can be increased in size to maximize transient noise rejection. A value of 0.1µF is recommended. Oscillator ...
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Power Tracking The power tracking pins STP and STN are the inputs to a comparator, whose HI output forces the PWM controller to skip switching cycle. 1. Linear Tracking In this application always the case that the lower ...
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The second way of offset tracking is to use the EN and Power Good pins, as shown in Figure 25. In this configuration, V does not have to be larger than EL7563 7 ...
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... STN 10 14 EL7563 The EL7563CRE utilizes the 28-pin HTSSOP package. The majority of heat is dissipated through the heat pad exposed at the bottom of the package. Therefore, the heat pad needs to be soldered to the PCB. The thermal resistance for this package is as low as 29°C/W, better than that of the SO20. ...
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SO Package Outline Drawing 15 EL7563 FN7296.2 May 13, 2005 ...
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... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...