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SC1404 Datasheet(PDF) 7 Page - Semtech Corporation |
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SC1404 Datasheet(HTML) 7 Page - Semtech Corporation |
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7 / 27 page  7 2003 Semtech Corp. www.semtech.com SC1404 POWER MANAGEMENT Block Diagram 2.5V REF V+ +3.3V VL VIN VL BST3 DH3 LX3 DL3 CSH3 CSL3 COMP3 REF TIME/ON5 RUN/ON3 SEQ RESET COMP5 CSL5 CSH5 PGND DL5 LX5 DH5 BST5 VL SYNC V+ PSAVE 5V REG EN DELAY CSL5 VL LS OSC LS HS VL 50mV 7.5mV 2.5mV 3V CTL LOGIC OC PS POL 50mV 7.5mV 2.5mV OC PS POL 5V CTL LOGIC PWM MODULATOR PWM MODULATOR OV FAULT +10% -25% UV FAULT 3 VL 2 POW ER-ON SEQUENCE LOGIC 0.5 2.0 SS TIMER BV DELAY +5V VIN CURRENT RAMP V+ CSL3 CSL5 12OUT VDD + 4.7µ f 200mA 2.2µ f + T1 1:3 12 V REG PS PS |
Similar Part No. - SC1404 |
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Similar Description - SC1404 |
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