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IR3473M Datasheet(PDF) 4 Page - International Rectifier |
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IR3473M Datasheet(HTML) 4 Page - International Rectifier |
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4 / 22 page  March 27, 2013 | V2.2 | PD97601 4 IR3473 6A Highly Integrated SupIRBuck TM TYPICAL APPLICATION TP7 TP10 EN VCC TP23 VOUTS TP24 PGNDS C26 open C27 open VIN C7 open C8 open C24 open C9 150uF C10 47uF C11 open C1 1uF R7 2.80K R8 2.55K C12 0.1uF PGOOD ISET +3.3V TP6 PGNDS TP14 +3.3V U1 IR3473 FCCM 1 SS 6 PGOOD 3 GND1 4 FB 5 NC1 7 ISET 2 PHASE 12 C4 0.22uF VCC SW1 EN / FCCM TP4 EN TP17 PGND C20 0.1uF TP26 AGND VSW C21 1uF TP11 PGOOD R9 open L1 2.2uH R6 open TP1 VINS R4 15.8K 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 R10 open C6 open TP18 VOLTAGE SENSE R1 10K FCCM IR3473 +3.3V R11 20 C22 open TP25 B C25 1uF VOUT TP27 A +3.3V TP28 VID TP13 SS VSW R12 4.99 SS R2 10K C19 open Q1 open 1 PGND VOUT R13 open 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, 25V, 0.1, 603 TDK C1608X7R1E104K 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, X5R, 0.22uF, 10V, 0.1, 0603 TDK C1608X5R1A224K 1 C9 150uF capacitor, tantalum polymer, 150uF, 6.3V, 20%, 7343 Sanyo 6TPC150M 1 L1 2.2uH inductor, ferrite, 2.2uH, 8.0A, 11.2mOhm, SMT Cyntec PCMB065T‐2R2MS 1 R4 15.8K resistor, thick film, 15.8K, 1/10W, 0.01, 603 KOA RK73H1JLTD1582F 3 R1, R2, R5 10.0K resistor, thick film, 10.0K, 1/10W, 0.01, 0603 KOA RK73H1J1002F 1 R11 20 resistor, thick film, 20, 1/10W, 0.01, 603 KOA RK73H1JLTD20R0F 1 R12 4.99 resistor, thick film, 4.99, 1/8W, 0.01, 603 KOA RK73H1J4R99F 1 R3 200K resistor, thick film, 200K, 1/10W, 0.01, 603 KOA RK73H1JLTD2003F 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 SPST switch, DIP, SPST, 2 position, SMT C&K Components SD02H0SK 1 U1 IR3473 4mm X 5mm QFN IRF IR3473MTRPBF |
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Similar Description - IR3473M |
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