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LTM4646 Datasheet(PDF) 6 Page - Linear Technology |
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LTM4646 Datasheet(HTML) 6 Page - Linear Technology |
6 / 34 page LTM4646 6 4646f For more information www.linear.com/LTM4646 TYPICAL PERFORMANCE CHARACTERISTICS 0.9V Single Phase Single Output Load Transient Response 1V Single Phase Single Output Load Transient Response 1.2V Single Phase Single Output Load Transient Response 1.5V Single Phase Single Output Load Transient Response 1.8V Single Phase Single Output Load Transient Response Efficiency vs Output Current, VIN = 5V Efficiency vs Output Current, VIN = 8V Dual Phase Single Output Efficiency vs Output Current, VIN = 12V Efficiency vs Output Current, VIN = 12V 5.0VOUT, 1.3MHz 3.3VOUT, 1.1MHz 2.5VOUT, 850kHz 1.8VOUT, 700kHz 1.5VOUT, 600kHz 1.2VOUT, 500kHz 1.0VOUT, 400kHz 0.9VOUT, 400kHz OUTPUT CURRENT (A) 2 4 6 8 10 12 14 16 18 20 70 75 80 85 90 95 100 4646 G04 EXTVCC = 5V 50µs/DIV IOUT 5A/DIV 0.9VOUT 33mV/DIV 4646 G05 COUT = 470µF POSCAP, 5mΩ, 100µF ×4, CERAMIC CCOMP = 100pF, f = 350kHz 50µs/DIV IOUT 5A/DIV 1VOUT 33mV/DIV 4646 G06 COUT = 470µF POSCAP, 5mΩ, 100µF ×4, CERAMIC CCOMP = 100pF, f = 350kHz 50µs/DIV IOUT 5A/DIV 1.2VOUT 33mV/DIV 4646 G07 COUT = 470µF POSCAP, 5mΩ, 100µF ×4, CERAMIC CCOMP = 100pF, f = 350kHz 50µs/DIV IOUT 5A/DIV 1.8VOUT 33mV/DIV 4646 G09 COUT = 100µF ×3, CERAMIC CCOMP = 100pF, CFF = 47pF f = 500kHz 50µs/DIV IOUT 5A/DIV 1.5VOUT 33mV/DIV 4646 G08 COUT = 100µF ×3, CERAMIC CCOMP = 100pF, CFF = 47pF f = 450kHz 50µs/DIV IOUT 5A/DIV 1.5VOUT 33mV/DIV 4646 G08 COUT = 100µF ×3, CERAMIC CCOMP = 100pF, CFF = 47pF f = 450kHz OUTPUT CURRENT (A) 1 2 3 4 5 6 7 8 9 10 70 75 80 85 90 95 100 4646 G01 3.3VOUT, 550kHz 2.5VOUT, 550kHz 1.8VOUT, 500kHz 1.5VOUT, 450kHz 1.2VOUT, 400kHz 1.0VOUT, 350kHz 0.9VOUT, 350kHz 5.0VOUT, 900kHz 3.3VOUT, 850kHz 2.5VOUT, 750kHz 1.8VOUT, 600kHz 1.5VOUT, 550kHz 1.2VOUT, 475kHz 1.0VOUT, 400kHz 0.9VOUT, 400kHz OUTPUT CURRENT (A) 1 2 3 4 5 6 7 8 9 10 70 75 80 85 90 95 100 4646 G02 5.0VOUT, 1.3MHz 3.3VOUT, 1.1MHz 2.5VOUT, 850kHz 1.8VOUT, 700kHz 1.5VOUT, 600kHz 1.2VOUT, 500kHz 1.0VOUT, 400kHz 0.9VOUT, 400kHz OUTPUT CURRENT (A) 1 2 3 4 5 6 7 8 9 10 70 75 80 85 90 95 100 4646 G03 |
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