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AP3598A датащи(PDF) 2 Page - Diodes Incorporated |
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AP3598A датащи(HTML) 2 Page - Diodes Incorporated |
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2 / 28 page ![]() AP3598A Document number: DS37261 Rev. 2 - 2 2 of 28 www.diodes.com November 2014 © Diodes Incorporated AP3598A A Product Line of Diodes Incorporated Typical Applications Circuit CVCC RPG L1 Q1 Q2 G D S G D S G D S G D S L2 Q3 Q4 C3 C4 C5 R3 R2 22 25 11 17 18 19 20 21 2 1 24 23 15 9 16 3 4 5 7 6 8 14 13 10 12 VCC FS PGOOD EN PSI VID VREF REFIN REFADJ TALERT# TSNS PVCC HGATE1 BOOT1 PHASE1 LGATE1 HGATE2 BOOT2 PHASE2 LGATE2 GNDSNS VSNS COMP GND THERM/GND R1 Supply Voltage Frequency Selection Driver Supply Voltage Optional Strap1 RLG1 OUT IN IN IN OUT Opamp Compensation External Thermister AP3598A VCC REN RPSI RPSI2 RVREF1 RFS RTM RTM2 RTALERT CVREF RVREF2 CREFIN RREFADJ VREF VPCC CPVCC VIN RHG1 CBT1 VIN RHG2 CBT2 VOUT COUT CVIN2 RVOUT RVGND VGND_SNS VOUT_SNS CVIN1 Component Value Unit Component Value Unit Component Value Unit CVCC 10 μF RTALERT 100 k Ω C3 10 pF CPVCC 10 μF RTM2 TBD k Ω C4 2.2 nF CVIN1 300 μF RTM TBD k Ω C5 1.5 nF CVIN2 300 μF RHG1 0 Ω COUT 330*3 μF RPG 100 k Ω CBT1 100 nF RVOUT 0 Ω REN 100 k Ω RLG1 Note 4 Ω RVGND 0 Ω RFS 33 k Ω RHG2 0 Ω CREFIN 0.033 μF RPSI 100 k Ω CBT2 100 nF Q1 – – RPSI2 0 k Ω R1 12 k Ω Q2 – – CVREF 1 μF R2 2.2 k Ω Q3 – – RVREF1 4.75 k Ω R3 560 Ω Q4 – – RVREF2 4.22 k Ω L1 0.36 μH – – – RREFADJ 6.34 k Ω L2 0.36 μH – – – Table 1. Component Guide Note 4: RLG1 are OCP setting resisters: 5k for lower OCP threshold, IOCP = 150mV/RDS(ON) 10k for medium OCP threshold, IOCP = 250mV/RDS(ON) >20k for disabling OCP function |
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