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ISL62381HRTZ Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL62381HRTZ Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 23 page 6 FN6665.4 August 7, 2008 Typical Application Circuits The below typical application circuits generate the 5V/8A and 3.3V/8A main supplies in a notebook computer. The input supply (VBAT) range is 5.5V to 25V FIGURE 1. TYPICAL APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE FIGURE 2. TYPICAL APPLICATION CIRCUIT WITH RESISTOR CURRENT SENSE VB A T 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 3. 3V 5V 3. 3 V 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 * 0.22µF 0.22µF IRF7821 IRF7821 IRF7832 IRF7832 4.7µH 4.7µH 9.09k 68.1k 750 1200pF 14k 14k 0.022µF 100k 100k 0.01µF 0.01µF 19.6k 24.3k 1µF 4.7µF 4.7µF 10k 17.4k 10k 45.3k 10 1µF 330µF 330µF 1200pF 750 14k 14k 0.022µF 4x10µF ISL62381, ISL62382, ISL62383 *ISL62381, ISL62382 ONLY V BAT VI N PH A S E1 UG A T E 1 LG A T E 1 OC S E T 1 IS E N 1 VO U T 1 FB 1 P HAS E2 UG AT E2 LG A T E 2 OC S E T 2 IS E N 2 VO U T 2 FB 2 3.3V 5V 3.3V 5V LD O 5 LD O 3 * VC C 1 VC C 2 LD O 5 P G OOD 2 P G OOD 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 F B * FC C M LD O 3 E N * 0.22µF 0.22µF IRF7821 IRF7821 IRF7832 IRF7832 4.7µH 4.7µH 4x10µF ISL62381, ISL62382, ISL62383 0.01µF 0.01µF 24.3k 19.6k 1µF 1µF 4.7µF 4.7µF 10k 17.4k 9.09K 68.1k 1200pF 1200pF 750 750 100k 100k 45.3k 10k 330µF 330µF 10 0.001 0.001 1k 1k 1k 1k *ISL62381, ISL62382 ONLY ISL62381, ISL62382, ISL62383 |
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