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ISL9444 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL9444 Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 24 page ISL9444 7 FN7665.0 May 23, 2011 Typical Application - ISL9444 SGND 15 PGND 29 9 RT RT 118k 30 + EN3 +19V UGATE2 PHASE2 ISL9444 + CIN2 R6 C8 37 32 36 7 LGATE2 19 ISEN2 R5 C4 BOOT2 VIN 31 29 R7 38 FB1 UGATE1 PHASE1 + C6 LGATE1 ISEN1 R4 C3 BOOT1 R1 OCSET3 VCC_5V 4 40 35 34 33 5 L2 17 Q2 VOUT2 R2 Q5 FB2 VOUT1 R13 +5.0V, 18A CIN5 CIN7 L1 C2 + 12.0V, 15A 150µF 200k 2.2µH 2.2µH RJK0329DPB 1.74k 10.7k 3.92k 2.0k 3.24k 52.3k 0.22µF 10µF 4.7µF 180µF 10µF 0.22µF 330µF UGATE3 PHASE3 + R9 C10 25 LGATE3 ISEN3 R8 C9 BOOT3 24 R10 27 27 26 L3 20 Q7 FB3 VOUT3 +3.3V, 15A 1.5µH 3.09k 11.5k 3.92k 330µF CIN9 10µF +16V 8 OCSET1 R11 200k 16 OCSET2 R12 200k 11 1 PGOOD2 PFO 18 21 22 PGOOD1 + C5 330µF +C7 180µF C1 0.1µF 22pF CFF3 TK/SS2 TK/SS3 CIN3 150µF + CIN4 10µF CFF1 4700pF CFF2 1000pF RJK0332DPB Q3 Q4 RJK0332DPB Q6 RJK0329DPB RJK0332DPB CIN6 10µF EXTBIAS RJK0329DPB CIN8 10µF 0.22µF Q1 + C11 330µF + CIN1 150µF PGOOD2 VOUT1 V RPG 100k 3 EXTBIAS C10 0.1µF PFO CSS3 47nF 2 PFI 14 EN2 +16V V R14 64.9k R15 10k CSS2 47nF 10 PGOOD1 PGOOD1 6 EN/SS1 CSS1 47nF PGOOD2 PGOOD PGOOD3 12 MODE/SYNC 23 13 PG3_DLY CLKOUT R16 200 R3 200 VOUT1 can be connected to EXTBIAS for lower IC power dissipation and IC self-bias. External boot diode may be added for PWM2. Care must be taken to ensure VIN does not drop below EXTBIAS. |
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