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SC1486 Datasheet(PDF) 8 Page - Semtech Corporation |
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SC1486 Datasheet(HTML) 8 Page - Semtech Corporation |
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8 / 17 page  8 2002 Semtech Corp. www.semtech.com SC1486 POWER MANAGEMENT Block Diagram 7 6 5 HI VBAT FB1 VDDQ +5V OC ZEROI OV UV +5V VBAT VCCA 22 EN/PSV1 23 24 25 VOUT TON1 VDDQ VCCA1 26 FBK1 27 PGOOD1 28 AGND1 4 3 2 1 PGND1 DL1 VDDP1 ILIM1 LX1 DH1 BST1 REF+10% REF- 10% REF - 30% FB1 ISENSE LO CONTROL LOGIC REF OT POR/SS TON TOFF X3 FAULT MONITOR PWM ON OFF PWM 1.5V 21 20 19 POR/SS OT + - FAULT MONITOR HI LO VDDP VDDQ PWM TON VTT CONTROL LOGIC TOFF ISENSE +5V OC ZEROI ON OFF PWM OV UV +5V VDDQ 8 REFIN 9 10 11 REFOUT TON2 VCCA2 12 FBK2 13 PGOOD2 14 AGND2 18 17 16 15 PGND2 DL2 VDDP2 ILIM2 LX2 DH2 BST2 VDDQ= 2.5V + - VTT REF+10% REF- 10% REF- 30% REF BUFFER VCCA1 VDDP VCCA2 VDDP2 VREF FIGURE 1 - SC1486 Block Diagram |
Similar Part No. - SC1486 |
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Similar Description - SC1486 |
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