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GRM188R71E105KA12D Datasheet(PDF) 4 Page - International Rectifier |
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GRM188R71E105KA12D Datasheet(HTML) 4 Page - International Rectifier |
4 / 21 page August 8, 2012 | ADVANCED DATASHEET | V2.1 | PD97603 4 IR3476 12A Highly Integrated SupIRBuck TM TYPICAL APPLICATION VOUT TP7 TP10 EN VCC TP23 +Vsws TP24 +Vsws +Vins R12 open C26 open TP8 VOUTS 5 2 TP21 -Vsws TP25 -Vin1s C27 open TP12 VSWS 5 2 TP22 +Vsws VIN C7 open C8 open C9 330uF C10 47uF C11 open C1 1uF R7 2.80K R8 2.55K C12 0.1uF PGOOD C24 open ISET +3.3V TP6 PGNDS TP14 +3.3V U1 IR3476 FCCM 1 SS 6 PGOOD 3 GND1 4 FB 5 NC1 7 ISET 2 PHASE 12 C4 0.22uF VCC TP4 EN SW1 EN / FCCM TP17 PGND C20 0.1uF TP26 AGND C5 open VSW C21 1uF TP11 PGOOD L1 1.5uH R6 open C22 open TP1 VINS R4 10.5K R3 200K C13 open C2 22uF C16 open + C3 68uF TP2 VIN TP5 PGND C14 open C17 open C18 open TP16 VCC FB R5 10K C15 open C6 open TP18 VOLTAGE SENSE -Vout1s TP9 +Vout1s R1 10K FCCM +Vin1s TP20 +Vin1s +3.3V C25 1uF +Vdd1s -Vdd1s R13 open +3.3V TP15 -Vout1s R14 open TP19 FB R11 open TP13 SS VSW +Vdd2s TP3 FCCM SS -Vdd2s R2 10K IR3476 C19 open -Vins PGND VOUT C23 open Figure 4: Demoboard Schematic for VOUT = 1.05V, FS = 300kHz DEMOBOARD BILL OF MATERIALS QTY REFERENCE DESIGNATOR VALUE DESCRIPTION MANUFACTURER PART NUMBER 3 C1, C21, C25 1.00uF capacitor, X7R, 1.00uF, 25V, 0.1, 0603 Murata GRM188R71E105KA12D 1 C10 47uF capacitor, 47uF, 6.3V, 805 TDK C2012X5R0J476M 2 C12, C20 0.100uF capacitor, X7R, 0.100uF, 50V, 0.1, 603 TDK C1608X7R1H104K 1 C2 22.0uF capacitor, X5R, 22.0uF, 16V, 20%, 1206 Taiyo Yuden EMK316BJ226ML-T 1 C3 68uF capacitor, electrolytic, 68uF, 25V, 0.2, SMD Panasonic EEV-FK1E680P 1 C4 0.22uF capacitor, Y5V, 0.22uF, 50V, -20%, +80%, 0603 Murata GRM188F51H224ZA01D 1 C9 330uF capacitor, 330uF, 2.5V, SMD Sanyo 2R5TPE330M9 1 L1 1.5uH inductor, ferrite, 1.5uH, 16.0A, 3.8mOhm, SMT Cyntec PIMB104T-1R5MS-39 3 R1, R2, R5 10.0K resistor, thick film, 10.0K, 1/10W, 0.01, 0603 KOA RK73H1J1002F 1 R3 200K resistor, thick film, 200K, 1/10W, 0.01, 603 KOA RK73H1JLTD2003F 1 R4 10.5K resistor, thick film, 10.5K, 1/10W, 0.01, 603 KOA RK73H1JLTD1052F 1 R7 2.80K resistor, thick film, 2.80K, 1/10W, 0.01, 603 KOA RK73H1JLTD2801F 1 R8 2.55K resistor, thick film, 2.55K, 1/10W, 0.01, 0603 KOA RK73H1J2551F 1 SW1 Switch switch, DIP, SPST, 2 position, SMT C&K Components SD02H0SK 1 U1 IR3476 5mm x 6mm QFN IRF IR3476MTRPBF |
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