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LTM4613 Datasheet(PDF) 23 Page - Linear Technology |
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LTM4613 Datasheet(HTML) 23 Page - Linear Technology |
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23 / 30 page  LTM4649 23 4649fc For more information www.linear.com/LTM4649 APPLICATIONS INFORMATION Table 3. Output Voltage Response vs Component Matrix (Refer to Figure 18) 0A to 5A Load Step Typical Measured Values CIN (BULK)* VENDORS PART NUMBER CIN (CERAMIC) VENDORS PART NUMBER COUT (CERAMIC) VENDORS PART NUMBER 150µF, 16V SANYO OSCON 25HVH150MT 22µF, 16V MURATA GRM32ER71C226KE18L 100µF, 6.3V MURATA GRM32ER60J107ME20L 220µF, 4V MURATA GRM31CR60G227M VOUT VIN CIN (BULK)* CIN (CERAMIC) COUT (CERAMIC) CFF LOAD STEP VDROOP VP-P RECOVERY TIME LOAD STEP SPEED RFB SW FREQ FREQ PIN 1V 5V, 12V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 45mV 90mV 40µs 1A/µs 15kΩ 450kHz Float 1.2V 5V, 12V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 50mV 100mV 50µs 1A/µs 10kΩ 450kHz Float 1.5V 5V, 12V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 57mV 114mV 60µs 1A/µs 6.65kΩ 450kHz Float 2.5V 5V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 75mV 150mV 70µs 1A/µs 3.16kΩ 450kHz Float 2.5V 12V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 75mV 150mV 70µs 1A/µs 3.16kΩ 750kHz INTVCC 3.3V 5V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 95mV 190mV 70µs 1A/µs 2.21kΩ 450kHz Float 3.3V 12V 120µF* 22µF × 2 100µF × 3 None 75% to 100% 95mV 190mV 70µs 1A/µs 2.21kΩ 750kHz INTVCC 1V 5V, 12V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 70mV 140mV 30µs 1A/µs 15kΩ 450kHz Float 1.2V 5V, 12V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 75mV 150mV 40µs 1A/µs 10kΩ 450kHz Float 1.5V 5V, 12V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 90mV 180mV 40µs 1A/µs 6.65kΩ 450kHz Float 2.5V 5V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 135mV 270mV 50µs 1A/µs 3.16kΩ 450kHz Float 2.5V 12V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 135mV 270mV 50µs 1A/µs 3.16kΩ 750kHz INTVCC 3.3V 5V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 175mV 350mV 60µs 1A/µs 2.21kΩ 450kHz Float 3.3V 12V 120µF* 22µF × 2 220µF × 2 None 50% to 100% 175mV 350mV 60µs 1A/µs 2.21kΩ 750kHz INTVCC *Bulk capacitor is optional if VIN has very low input impedance. Table 4. 1.5V Output DERATING CURVE VIN (V) POWER LOSS CURVE AIR FLOW (LFM) HEAT SINK θJA(°C/W) Figures 11, 12 5, 12 Figure 9 0 None 14 Figures 11, 12 5, 12 Figure 9 200 None 12 Figures 11, 12 5, 12 Figure 9 400 None 10 Table 5. 3.3V Output DERATING CURVE VIN (V) POWER LOSS CURVE AIR FLOW (LFM) HEAT SINK θJA(°C/W) Figures 13, 14 5, 12 Figure 10 0 None 14 Figures 13, 14 5, 12 Figure 10 200 None 12 Figures 13, 14 5, 12 Figure 10 400 None 10 |
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