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ISL62391CHRTZ Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL62391CHRTZ Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 20 page 6 FN6666.5 April 7, 2011 Typical Application Circuits The typical application circuits generate the 5V/8A and 3.3V/8A (system regulator), or 1.05V/15A and 1.5V/15A (chip set) supplies in a notebook computer. The input supply (VBAT) range is 5.5V to 25V. FIGURE 1. TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE FIGURE 2. TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH RESISTOR SENSE V BAT VI N PH A SE1 UG AT E 1 LG A T E 1 O C SET 1 ISEN 1 VO U T 1 FB 1 P HAS E 2 UG AT E 2 LG A T E 2 O C SET2 ISEN 2 VO U T 2 FB 2 3.3V 5V LD O 3 PVC C VC C PVC C P GOO D PG N D PA D EN 1 EN 2 F SET1 F SET2 BO O T 1 BO O T 2 FC C M LD O 3 E N 0.22µF 0.22µF IRF7821 IRF7821 IRF7832 IRF7832 4.7µH 4.7µH 9.09k 68.1k 750 1200pF 14k 14k 0.022µF 100k 0.01µF 0.01µF 19.6k 24.3k 1µF 4.7µF 10k 45.3k 1µF 330µF 330µF 1200pF 750 14k 14k 0.022µF 4x10µF ISL62391, ISL62392 ISL62391C, ISL62392C VB A T VIN PH A S E1 UG AT E 1 LG A T E 1 OC S E T 1 IS E N 1 VO U T 1 FB 1 P HAS E 2 UG AT E2 LG A T E 2 OC S E T 2 ISEN 2 VO U T 2 FB 2 3.3V 5V 3.3 V LD O 3 PV C C VC C PV C C PG O O D PG N D GN D EN 1 EN 2 FS E T 1 FS E T 2 BO O T 1 BO O T 2 FC C M LD O 3 E N 0.22µF 0.22µF IRF7821 IRF7821 IRF7832 IRF7832 4.7µH 4.7µH 4x10µF ISL62391, ISL62392 0.01µF 0.01µF 24.3k 19.6k 1µF 1µF 4.7µF 9.09k 68.1k 1200pF 1200pF 750 750 100k 45.3k 10k 330µF 330µF 0.001 0.001 1k 1k 1k 1k ISL62391C, ISL62392C ISL62391, ISL62392, ISL62391C, ISL62392C |
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