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LTM4615EVPBF bảng dữ liệu(PDF) 19 Page - Linear Technology |
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LTM4615EVPBF bảng dữ liệu(HTML) 19 Page - Linear Technology |
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19 / 24 page  LTM4615 19 4615f APPLICATIONS INFORMATION PGOOD1 PGOOD1 FB1 COMP1 TRACK1 RUN/SS1 LDO_IN EN3 BOOST3 GND1 GND2 LTM4615 GND3 VIN1 VIN2 VOUT1 VIN 1.2V VIN 3V TO 5.5V RFB1 10k R3 10k 22μF 6.3V 22μF 6.3V COUT2 100μF 6.3V C11 10μF 6.3V COUT1 22μF 6.3V 22μF 6.3V C12 10μF CIN1 10μF 6.3V CIN2 10μF 6.3V 100μF 6.3V VOUT1 1.2V 4A L1 0.2μH* PGOOD2 PGOOD2 FB2 COMP2 TRACK2 VIN RUN/SS2 LDO_OUT FB3 PGOOD3 PGOOD3 VOUT2 *FAIR-RITE 0805 2508056007Y6 IF MORE FILTERING REQUIRED RFB2 5.76k R6 10k 4615 F12 VOUT3 VOUT3 1V LOW NOISE AT 1A R5 3.32k R4 10k VOUT2 1.5V 4A Figure 12. Typical 3V to 5.5VIN, 1.5V and 1.2V at 4A and 1V at 1A Design Table 4. Output Voltage Response vs Component Matrix (Refer to Figure 12) 0A to 2.5A Load Step Typical Measured Values COUT1 AND COUT2 CERAMIC VENDORS VALUE PART NUMBER COUT1 AND COUT2 BULK VENDORS VALUE PART NUMBER TDK 22μF 6.3V C3216X7SOJ226M Sanyo POSCAP 150μF 10V 10TPD150M Murata 22μF 16V GRM31CR61C226KE15L Sanyo POSCAP 220μF 4V 4TPE220MF TDK 100μF 6.3V C4532X5R0J107MZ CIN BULK VENDORS VALUE PART NUMBER Murata 100μF 6.3V GRM32ER60J107M Sanyo POSCAP 100μF 10V 10CE100FH VOUT (V) CIN (CERAMIC) CIN (BULK)* COUT1 AND COUT2 (CER) EACH COUT1 AND COUT2 (POSCAP) EACH ITH VIN (V) DROOP (mV) PEAK-TO-PEAK DEVIATION RECOVERY TIME (μs) LOAD STEP (A/μs) RFB (kΩ) 1.2 10μF ×2 100μF 100μF, 22μF ×2 None None 5 33 68 11 2.5 10 1.2 10μF ×2 100μF 22μF ×1 220μF None 5 25 50 9 2.5 10 1.2 10μF ×2 100μF 100μF, 22μF ×2 None None 3.3 33 68 8 2.5 10 1.2 10μF ×2 100μF 22μF ×1 220μF None 3.3 25 50 10 2.5 10 1.5 10μF ×2 100μF 100μF, 22μF ×2 None None 5 30 60 11 2.5 5.76 1.5 10μF ×2 100μF 22μF ×1 220μF None 5 28 60 11 2.5 5.76 1.5 10μF ×2 100μF 100μF, 22μF ×2 None None 3.3 30 60 10 2.5 5.76 1.5 10μF ×2 100μF 22μF ×1 220μF None 3.3 27 56 10 2.5 5.76 1.8 10μF ×2 100μF 100μF, 22μF ×2 None None 5 34 68 12 2.5 3.92 1.8 10μF ×2 100μF 22μF ×1 220μF None 5 30 60 12 2.5 3.92 1.8 10μF ×2 100μF 22μF ×1 220μF None 3.3 30 60 12 2.5 3.92 2.5 10μF ×2 None 22μF ×1 None None 5 50 90 10 2.5 2.37 2.5 10μF ×2 100μF 22μF ×1 150μF None 5 33 60 10 2.5 2.37 2.5 10μF ×2 100μF 22μF ×1 150μF None 3.3 50 95 12 2.5 2.37 3.3 10μF ×2 100μF 22μF ×1 150μF None 5 50 90 12 2.5 1.62 *Bulk capacitance is optional if VIN has very low input impedance. |
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