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SC4624 Datasheet(PDF) 7 Page - Semtech Corporation |
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SC4624 Datasheet(HTML) 7 Page - Semtech Corporation |
7 / 20 page 7 2008 Semtech Corp. www.semtech.com SC4624 POWER MANAGEMENT Operation Typical Performance Characteristics (Cont.) Typical Performance Characteristics (Cont.) Figure 11. High-Side P-MOSFET Figure 12. Low-Side N-MOSFET Figure 7. Over Load Hiccup Figure 9. Synchronization Figure 10. Efficiency(V IN) V OUT SS V PHASE Figure 8. Thermal Shutdown Protection@0A V OUT SS V PHASE Sync Signal V PHASE Output Current(A) 70 80 90 100 110 120 130 1 2 3 4 2.5VIN 3.3VIN 5VIN I OUT (A) Internal PMOS R DSON @ Room Temperature Internal NMOS R DSON @ Room Temperature 50 55 60 65 70 75 80 1 2 3 4 2.5VIN 3.3VIN 5VIN I OUT (A) 5.0V/DIV 3.0V/DIV 0.6V/DIV 2.0V/DIV 2.0V/DIV 0.6V/DIV 3V/DIV 5.0V/DIV Test condition: 5Vin, 1Vout SS Vphase Over current protection Vout 100ms/DIV Circuit condition: Application circuit#1, 5V IN, 1VOUT Test condition: 5Vin, 1Vout SS Vphase Thermal protection Vout 1s/DIV Efficiency 5Vin 3.3Vin 2.5Vin SYNC SYNC Vphase 1us/DIV External clock singal=650kHz, duty=50% |
Similar Part No. - SC4624_08 |
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Similar Description - SC4624_08 |
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