EL7564CMZ Intersil, EL7564CMZ Datasheet
EL7564CMZ
Specifications of EL7564CMZ
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EL7564CMZ Summary of contents
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... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-352-6832 All other trademarks mentioned are the property of their respective owners. EL7564 May 9, 2005 FN7297.3 | Intersil (and design registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2003, 2005. All Rights Reserved ...
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... Ordering Information PART NUMBER PACKAGE EL7564CM 20-Pin SO (0.300”) EL7564CM-T13 20-Pin SO (0.300”) EL7564CMZ 20-Pin SO (0.300”) (See Note) (Pb-free) EL7564CMZ-T13 20-Pin SO (0.300”) (See Note) (Pb-free) EL7564CRE 28-Pin HTSSOP EL7564CRE-T7 28-Pin HTSSOP EL7564CRE-T13 28-Pin HTSSOP EL7564CREZ 28-Pin HTSSOP (See Note) ...
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Absolute Maximum Ratings (T A Supply Voltage between and GND . . . . . . . . . . . . +6. 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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Pin Descriptions 20-PIN SO 28-PIN (0.300”) HTSSOP PIN NAME 1 1 VREF 2 2 SGND 3 3 COSC 4 4 VDD 5 5 VTJ PGND 8 10, 11 VIN 9 13 STP 10 14 ...
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Typical Performance Curves V = 1.6 1.2 0.8 0 0.5 1 1.5 2 OUTPUT CURRENT I FIGURE 3. EL7564CM TOTAL CONVERTER POWER LOSS V =3.3V O 3.325 3.315 3.305 3.295 3.285 3.275 0.5 1 1.5 2 ...
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Typical Performance Curves 360 350 340 I =4A O 330 320 310 I =0A O 300 290 280 -40 - TEMPERATURE (°C) FIGURE 9. OSCILLATOR FREQUENCY vs TEMPERATURE =5. =4. ...
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Typical Performance Curves V =5V, V =3.3V, I =0.2A- ∆V O FIGURE 15. TRANSIENT RESPONSE V =5V, V =3.3V FIGURE 17. POWER-DOWN V =5V, V =3.3V, ...
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Typical Performance Curves JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD. HTSSOP EXPOSED DIEPAD SOLDERED TO PCB PER JESD51-5 3.5 3.333W 3 2.5 2 1 AMBIENT TEMPERATURE (°C) FIGURE 21. PACKAGE POWER ...
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Applications Information Circuit Description General The EL7564 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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NMOS Power FETs and Drive Circuitry The EL7564 integrates low on-resistance (30mΩ) NMOS FETs to achieve high efficiency at 4A. In order to use an NMOS switch for the high-side drive it is necessary to drive the gate voltage above ...
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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 cycles EL7564 ...
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Offset Tracking The intended start-up sequence is shown in Figure 23a. In this configuration, V will not start until V C value of × --------------------- - ...
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The second way of offset tracking is to use the EN and Power Good pins, as shown in Figure 24. In this configuration, V does not have to be larger than EL7564 7 ...
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Start-up Delay A capacitor can be added to the EN pin to delay the converter start-up (Figure 26) by utilizing the pull-up current. The delay time is approximately × C µ 1200 = ...
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... Package Outline Drawing - 20-Pin SO (0.300”) Package NOTE: The package drawing shown here may not be the latest version. To check the latest revision, please refer to the Intersil website at <http://www.intersil.com/design/packages/index.asp> 16 EL7564 FN7297.3 May 9, 2005 ...
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... 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; nor for any infringements of patents or other rights of third parties which may result from its use ...