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ISL62382 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL62382 Datasheet(HTML) 7 Page - Intersil Corporation |
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7 / 23 page  7 FN6665.4 August 7, 2008 Typical Application Circuits The below typical application circuits generate the 1.05V/15A and 1.5V/15A main supplies in a notebook computer. The input supply (VBAT) range is 5.5V to 25V FIGURE 3. TYPICAL APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE FIGURE 4. TYPICAL APPLICATION CIRCUIT WITH RESISTOR CURRENT SENSE V BAT VI N PH A S E 1 UG AT E 1 LG A T E 1 OC S E T 1 IS E N 1 VO U T 1 FB 1 PH A SE2 UG A T E 2 LG A T E 2 OC S E T 2 IS E N 2 VO U T 2 FB 2 1. 05 V 1. 5V 3.3V 5V LD O 5 LD O 3 * VC C 1 VC C 2 LD O 5 P GOOD 2 P GOOD 1 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 LD O 3 I N * LD O 3 FB * F CCM LD O 3 E N * V BAT 0.22µF 0.22µF IRF7821x2 IRF7821x2 IRF7832x2 IRF7832x2 2.2µH 2.2µH 24.3k 36.5k 590 1800pF 16.2k 16.2k 0.022µF 100k 100k 0.01µF 0.01µF 14k 17.4k 1µF 4.7µF 4.7µF 10K 17.4k 48.7k 36.5K 10 1µF 330µFx2 330µFx2 1800pF 590 16.2k 16.2k 0.022µF 6x10µF ISL62381, ISL62382, ISL62383 *ISL62381, ISL62382 ONLY 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 PH A S E 2 UG AT E 2 LG A T E 2 OC S E T 2 IS E N 2 VO U T 2 FB 2 1. 0 5 V 1.5V 3.3V 5V LD O 5 LD O 3 * VC C 1 VC C 2 LD O 5 PG O O D 2 P GOO D 1 PG N D GN D EN 1 EN 2 FS E T 1 FS E T 2 BO O T 1 B OOT 2 LD O 3 IN * LD O 3 F B * F CCM LD O 3 E N * VB A T 0.22µF 0.22µF IRF7821x2 IRF7821x2 IRF7832x2 IRF7832x2 2.2µH 2.2µH 6x10µF ISL62381, ISL62382, ISL62383 0.01µF 0.01µF 17.4k 14k 1µF 1µF 4.7µF 4.7µF 10k 17.4k 24.3k 36.5k 1800pF 1800pF 590 590 100k 100k 36.5k 48.7k 330µFx2 330µFx2 10 0.001 0.001 2k 2k 2k 2k *ISL62381, ISL62382 ONLY ISL62381, ISL62382, ISL62383 |
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