ISL8225MEVAL2Z Intersil, ISL8225MEVAL2Z Datasheet
![no-image](/images/manufacturer_photos/0/3/341/intersil_sml.jpg)
ISL8225MEVAL2Z
Specifications of ISL8225MEVAL2Z
Related parts for ISL8225MEVAL2Z
ISL8225MEVAL2Z Summary of contents
Page 1
... Figure 1. This 90A evaluation board can be easily modified to 30A (one module) or 60A (two modules) operation. 1. Connect a power supply capable of sourcing at least 10A to the input (VIN J3 & GND J4) of the ISL8225MEVAL2Z evaluation board, with a voltage between 4.5V to 20V. Connect an electronic load or the device to be powered to the output (VOUT (J1, J5) & ...
Page 2
For 12V V and V more than 1.5V, the switching frequency IN OUT will need to be adjusted, as shown in Table 1. The resistor R can be adjusted for the desired frequency. No frequency adjustments are necessary for V ...
Page 3
... Aavid Thermalloy, part number 375424B00034G, www.aavid.com). Remote Sensing The ISL8225MEVAL2Z board allows the user to apply the remote sensing function to loads in order to achieve good output regulation accuracy. To make use of this function, remove resistors R7 and R8 and connect the kelvin sensing lines through the jumper JP4 (RS) to the point of load ...
Page 4
... N/C PGOOD VSEN1+ 21 VSEN1- PGND VIN1 VCC1 IN E OUT COMP R13 S1 DNP S3 CLKOUT1 OUT FIGURE 2. ISL8225MEVAL2Z BOARD SCHEMATIC R22 IN 1.2V @ 90A VOUT 0 VMON TP1 OUT C8 R64 R82 VOUT 1000PF IN E 499 499 S1 S1 OUT R62 COMP R59 0 0 R61 R60 ...
Page 5
... N/C PGOOD OUT VSEN1+ 21 VSEN1- PGND VIN1 VCC2 OUT COMP2 S2 R27 VMON1 CLKOUT2 OUT S2 S2 FIGURE 3. ISL8225MEVAL2Z BOARD SCHEMATIC R23 R35 VMON VMON1 OUT S2 R45 COMP OUT 0 COMP2 OUT R67 0 R71 0 R68 0 R72 0 R28B VCC2 IN 0 R65 ...
Page 6
... ISL8225MIRZ 24 PGOOD N/C PGOOD OUT VSEN1+ 21 VSEN1- PGND VIN1 VCC3 IN COMP3 E OUT S3 VMON2 IN S3 CLKOUT3 OUT FIGURE 4. ISL8225MEVAL2Z BOARD SCHEMATIC R33 R36 VMON1 VMON2 OUT R46 COMP2 S3 IN COMP3 0 OUT R73 0 R77 0 R74 0 R78 0 VCC3 R44B IN 0 R75 E ...
Page 7
Layout FIGURE 5. TOP ASSEMBLY FIGURE 7. TOP LAYER COMPONENT SIDE 7 Application Note 1789 OFF ON FIGURE 6. TOP SILK SCREEN FIGURE 8. LAYER 2 December 3, 2012 AN1789.0 ...
Page 8
Layout (Continued) FIGURE 9. LAYER 3 FIGURE 11. LAYER 5 8 Application Note 1789 FIGURE 12. BOTTOM LAYER SOLDER SIDE FIGURE 10. LAYER 4 AN1789.0 December 3, 2012 ...
Page 9
Layout (Continued) FIGURE 13. BOTTOM SILK SCREEN 9 Application Note 1789 FIGURE 14. BOTTOM SILK SCREEN MIRRORED FIGURE 15. BOTTOM ASSEMBLY AN1789.0 December 3, 2012 ...
Page 10
Bill of Materials PART NUMBER REF DES QTY. VALUE 10TPB330M C04, C08, C016, 5 330µF C024, C08A 131-4353-00 TP1 1 2N7002-7 5002 TP2-TP11 10 ECA-1VM471 CINA, CINB 2 470µF GRM21BR71C475KA73L C1-C3 3 GRM32ER70A476K C0, C02, C05, 7 C010, ...
Page 11
... RES_0603 1% 1/16W 603 RES_0603 499Ω 1% 1/16W 603 RES_0603 0Ω 5% 1/2W 2010 RES_2010 QFN QFN26_670X670_ISL8225M Intersil THOLE JUMPER-3 THOLE JUMPER-1 CONN KPA8CTP 3kΩ 1% 1/10W 603 RES_0603 SMD LED_3X2_5MM MANUFACTURER DESCRIPTION Generic Thick film chip resistor Generic Thick film chip resistor ...
Page 12
... ISL8225MEVAL2Z Efficiency Curves Efficiency Curves with Zero-ohm Resistance on the Output 95 2.5V OUT 3.3V OUT 85 1.5V OUT 1.2V OUT 75 1V OUT LOAD CURRENT (A) FIGURE 16. EFFICIENCY CURVES FOR 12V INPUT Efficiency Curves by Replacing Zero-ohm Resistance with Thick Copper Strap 95 2.5V OUT 3.3V OUT 85 1.5V OUT 1.2V OUT ...