Datasheet LTM4646 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Dual 10A or Single 20A μModule Regulator |
| 页数 / 页 | 36 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Output Current,. VIN = … |
| 修订版 | A |
| 文件格式/大小 | PDF / 1.0 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Output Current,. VIN = 5V. VIN = 8V. VIN = 12V
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LTM4646
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Output Current, Efficiency vs Output Current, Efficiency vs Output Current, VIN = 5V VIN = 8V VIN = 12V
100 100 100 95 95 95 90 90 90 85 85 85 5.0VOUT, 900kHz 5.0V 3.3V OUT, 1.3MHz OUT, 550kHz 3.3VOUT, 850kHz 3.3VOUT, 1.1MHz EFFICIENCY (%) 80 2.5VOUT, 550kHz EFFICIENCY (%) 2.5V 80 OUT, 750kHz EFFICIENCY (%) 80 2.5V 1.8V OUT, 850kHz OUT, 500kHz 1.8VOUT, 600kHz 1.8VOUT, 700kHz 1.5VOUT, 450kHz 1.5VOUT, 550kHz 1.5VOUT, 600kHz 75 1.2VOUT, 400kHz 75 1.2VOUT, 475kHz 75 1.2VOUT, 500kHz 1.0VOUT, 350kHz 1.0VOUT, 400kHz 1.0VOUT, 400kHz 0.9VOUT, 350kHz 0.9V 0.9V 70 OUT, 400kHz 70 OUT, 400kHz 70 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4646 G01 4646 G02 4646 G03
Dual Phase Single Output Efficiency 0.9V Single Phase Single Output 1V Single Phase Single Output vs Output Current, VIN = 12V Load Transient Response Load Transient Response
100 EXTVCC = 5V 95 IOUT IOUT 90 5A/DIV 5A/DIV 85 5.0VOUT, 1.3MHz 3.3V 1V OUT, 1.1MHz 0.9VOUT OUT EFFICIENCY (%) 80 2.5V 33mV/DIV OUT, 850kHz 33mV/DIV 1.8VOUT, 700kHz 1.5VOUT, 600kHz 75 1.2V 4646 G05 50µs/DIV 4646 G06 OUT, 500kHz 50µs/DIV 1.0VOUT, 400kHz C C 0.9V OUT = 470µF POSCAP, 5mΩ, OUT = 470µF POSCAP, 5mΩ, OUT, 400kHz 70 100µF ×4, CERAMIC 100µF ×4, CERAMIC 2 4 6 8 10 12 14 16 18 20 CCOMP = 100pF, CCOMP = 100pF, OUTPUT CURRENT (A) f = 350kHz f = 350kHz 4646 G04
1.2V Single Phase Single Output 1.5V Single Phase Single Output 1.8V Single Phase Single Output Load Transient Response Load Transient Response Load Transient Response
IOUT I I IOUT OUT OUT 5A/DIV 5A/DIV 5A/DIV 5A/DIV 1.2VOUT 1.5V 1.5V 1.8V OUT OUT OUT 33mV/DIV 33mV 33mV /DIV /DIV 33mV/DIV 50µs/DIV 4646 G07 50µs/DIV 4646 G08 50µs/DIV 4646 G08 50µs/DIV 4646 G09 COUT = 470µF POSCAP, 5mΩ, COUT = 100µF ×3, CERAMIC C OUT = 100µF ×3, CERAMIC OUT = 100µF ×3, CERAMIC 100µF ×4, CERAMIC CCOMP = 100pF, CFF = 47pF C COMP = 100pF, CFF = 47pF COMP = 100pF, CFF = 47pF CCOMP = 100pF, f = 450kHz f = 450kHz f = 500kHz f = 350kHz Rev. A 6 For more information www.analog.com Document Outline Operation Applications Information Package Description Package Photo Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Output Current, Efficiency vs Output Current, Efficiency vs Output Current, VIN = 5V VIN = 8V VIN = 12V
100 100 100 95 95 95 90 90 90 85 85 85 5.0VOUT, 900kHz 5.0V 3.3V OUT, 1.3MHz OUT, 550kHz 3.3VOUT, 850kHz 3.3VOUT, 1.1MHz EFFICIENCY (%) 80 2.5VOUT, 550kHz EFFICIENCY (%) 2.5V 80 OUT, 750kHz EFFICIENCY (%) 80 2.5V 1.8V OUT, 850kHz OUT, 500kHz 1.8VOUT, 600kHz 1.8VOUT, 700kHz 1.5VOUT, 450kHz 1.5VOUT, 550kHz 1.5VOUT, 600kHz 75 1.2VOUT, 400kHz 75 1.2VOUT, 475kHz 75 1.2VOUT, 500kHz 1.0VOUT, 350kHz 1.0VOUT, 400kHz 1.0VOUT, 400kHz 0.9VOUT, 350kHz 0.9V 0.9V 70 OUT, 400kHz 70 OUT, 400kHz 70 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4646 G01 4646 G02 4646 G03
Dual Phase Single Output Efficiency 0.9V Single Phase Single Output 1V Single Phase Single Output vs Output Current, VIN = 12V Load Transient Response Load Transient Response
100 EXTVCC = 5V 95 IOUT IOUT 90 5A/DIV 5A/DIV 85 5.0VOUT, 1.3MHz 3.3V 1V OUT, 1.1MHz 0.9VOUT OUT EFFICIENCY (%) 80 2.5V 33mV/DIV OUT, 850kHz 33mV/DIV 1.8VOUT, 700kHz 1.5VOUT, 600kHz 75 1.2V 4646 G05 50µs/DIV 4646 G06 OUT, 500kHz 50µs/DIV 1.0VOUT, 400kHz C C 0.9V OUT = 470µF POSCAP, 5mΩ, OUT = 470µF POSCAP, 5mΩ, OUT, 400kHz 70 100µF ×4, CERAMIC 100µF ×4, CERAMIC 2 4 6 8 10 12 14 16 18 20 CCOMP = 100pF, CCOMP = 100pF, OUTPUT CURRENT (A) f = 350kHz f = 350kHz 4646 G04
1.2V Single Phase Single Output 1.5V Single Phase Single Output 1.8V Single Phase Single Output Load Transient Response Load Transient Response Load Transient Response
IOUT I I IOUT OUT OUT 5A/DIV 5A/DIV 5A/DIV 5A/DIV 1.2VOUT 1.5V 1.5V 1.8V OUT OUT OUT 33mV/DIV 33mV 33mV /DIV /DIV 33mV/DIV 50µs/DIV 4646 G07 50µs/DIV 4646 G08 50µs/DIV 4646 G08 50µs/DIV 4646 G09 COUT = 470µF POSCAP, 5mΩ, COUT = 100µF ×3, CERAMIC C OUT = 100µF ×3, CERAMIC OUT = 100µF ×3, CERAMIC 100µF ×4, CERAMIC CCOMP = 100pF, CFF = 47pF C COMP = 100pF, CFF = 47pF COMP = 100pF, CFF = 47pF CCOMP = 100pF, f = 450kHz f = 450kHz f = 500kHz f = 350kHz Rev. A 6 For more information www.analog.com Document Outline Operation Applications Information Package Description Package Photo Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts