ISL6227EVAL2Z Intersil, ISL6227EVAL2Z Datasheet
ISL6227EVAL2Z
Specifications of ISL6227EVAL2Z
Related parts for ISL6227EVAL2Z
ISL6227EVAL2Z Summary of contents
Page 1
... ISL6227EVAL2Z Dual Switcher Evaluation Board ® Application Note This document describes the setup procedure for the ISL6227 Evaluation Board dual switcher implementation. For information about the DDR application, please refer to Application Note 1067, “ISL6227EVAL1 DDR Evaluation Board Setup Procedure.” General Description The ISL6227 can control two output voltages adjustable from 0 ...
Page 2
... ISL 6227IRZ ISL6227HRZ* (Note) ISL 6227HRZ ISL6227EVAL2Z Evaluation Platform *Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations) ...
Page 3
... JP3 SHUNTED TOWARD FCCM1 (TOGGLES FCCM AND HYSTERETIC MODE AT LIGHT LOAD) ISL6227 JP7 SHUNTED (ONE VIN SUPPLY FOR BOTH CH1 AND CH2 FIGURE 1. INITIAL SHUNT PLACEMENT FOR ISL6227EVAL2Z JP2 SHUNTED (AN AMPMETER MAY BE CONNECTED ACROSS THESE PINS TO MEASURE IC AND GATE DRIVE CURRENT) ...
Page 4
... AND THE POSITIVE OF THE DVM TO EITHER J2 TERMINAL (+) OF THE OR J3. DVM TO J4 VCC. Z OSCILLOSCOPE TIP MEASUREMENT POINT FOR VOUT2 FIGURE 2. WIRING CONNECTIONS FOR ISL6227EVAL2Z CONNECT THE NEGATIVE TERMINAL (-) OF THE 5VDC POWER SUPPLY AND NEGATIVE TERMINAL (-) OF THE DVM TO THE GND TERMINAL J14. OSCILLOSCOPE TIP ...
Page 5
... What’s Inside This Evaluation Board Kit contains the following materials: • the ISL6227EVAL2Z Evaluation Board • the ISL6227EVAL2Z Evaluation Board Setup Procedure What is Needed The following items will be needed to perform a complete evaluation: • 4 channel oscilloscope with probes • 2 electronic loads • ...
Page 6
Step 3: Set control jumper as illustrated in Table 1 on page 5. Step 4: Power up the EVAL board 4a. Take the adjustable 24VDC power supply that is connected to the VIN terminals J2 and/or J3 and make sure ...
Page 7
... C19 10n 10n EN1 EN2 50V 50V R18 R19 680 680 R20 R21 J11 10.0K 10.0K EN1 RED PG1 GND J10 J9 PGOOD1 4 3 FIGURE 3. ISL6227EVAL2Z SCHEMATIC 2 JP7 VIN1=VIN2 C3 10u 25V X5R PHASE 2 D2 BAT54WT1 TP3 R3 0 FDS6912A C9 0.15u 25V Sumida CDRH124-4R7 ...
Page 8
... QTY REFERENCE 1 PWB-PCB, ISL6227EVAL2Z 1 C1 CAP, RADIAL, 220µF, 25V, 20%, ALUM, ELEC 4 C10, C11, C18, C19 CAPACITOR, SMD, 0805, 0.01µF, 50V, 10%, X7R 2 C2, C3 CAPACITOR, SMD, 1812, 10µF, 25V, 20%, X5R 2 C20, C22 CAP TANT, LOW ESR, SMD, D2, 220µF, 4V, 20 CAP TANT, LOW ESR, SMD, D, 68µF, 16V, 10% ...
Page 9
... ISL6227EVAL2Z Layout 9 Application Note 1068 Z FIGURE 4. TOP SILK SCREEN FIGURE 5. TOP LAYER AN1068.1 July 14, 2008 ...
Page 10
... ISL6227EVAL2Z Layout (Continued) 10 Application Note 1068 FIGURE 6. GND - INTERNAL 1 FIGURE 7. POWER - INTERNAL 2 AN1068.1 July 14, 2008 ...
Page 11
... ISL6227EVAL2Z Layout (Continued) 11 Application Note 1068 FIGURE 8. POWER - INTERNAL 3 FIGURE 9. BOTTOM LAYER AN1068.1 July 14, 2008 ...
Page 12
... ISL6227EVAL2Z Layout (Continued) 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 the Application Note or Technical Brief is current before proceeding. For information regarding Intersil Corporation and its products, see www.intersil.com ...