Datasheet LTM4671 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Quad DC/DC µModule Regulator with Configurable Dual 12A, Dual 5A Output Array |
| 页数 / 页 | 36 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Dual 12A Channels. Efficiency vs … |
| 修订版 | B |
| 文件格式/大小 | PDF / 2.0 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Dual 12A Channels. Efficiency vs Load Current. from 3.3VIN. from 5VIN. from 12VIN
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LTM4671
TYPICAL PERFORMANCE CHARACTERISTICS Dual 12A Channels Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current from 3.3VIN from 5VIN from 12VIN
100 100 100 95 95 95 90 90 90 85 85 85 VOUT = 0.9V VOUT = 0.9V V EFFICIENCY (%) OUT = 0.9V 80 EFFICIENCY (%) V 80 OUT = 1.0V EFFICIENCY (%) 80 VOUT = 1.0V VOUT = 1.0V VOUT = 1.2V VOUT = 1.2V VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 75 VOUT = 1.5V 75 VOUT = 1.8V 75 VOUT = 1.8V VOUT = 1.8V VOUT = 2.5V VOUT = 2.5V VOUT = 2.5V VOUT = 3.3V V 70 70 OUT = 3.3V 70 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4671 G01 4671 G02 4671 G03
1.0V Output Transient Response 1.2V Output Transient Response 1.5V Output Transient Response
VOUT VOUT VOUT (AC-COUPLED) (AC-COUPLED) (AC-COUPLED) 50mV/DIV 50mV/DIV 50mV/DIV LOAD STEP LOAD STEP LOAD STEP 2A/DIV 2A/DIV 2A/DIV 50μs/DIV 4671 G04 50μs/DIV 4671 G05 50μs/DIV 4671 G06 VIN = 12V, VOUT = 1V, fSW = 600kHz VIN = 12V, VOUT = 1.2V, fSW = 600kHz VIN = 12V, VOUT = 1.5V, fSW = 600kHz COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs
1.8V Output Transient Response 2.5V Output Transient Response 3.3V Output Transient Response
VOUT VOUT VOUT (AC-COUPLED) (AC-COUPLED) (AC-COUPLED) 50mV/DIV 50mV/DIV 100mV/DIV LOAD STEP LOAD STEP LOAD STEP 2A/DIV 2A/DIV 2A/DIV 50μs/DIV 4671 G07 50μs/DIV 4671 G08 50μs/DIV 4671 G09 VIN = 12V, VOUT = 1.8V, fSW = 600kHz VIN = 12V, VOUT = 2.5V, fSW = 600kHz VIN = 12V, VOUT = 3.3V, fSW = 600kHz COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs Rev. B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Component BGA Pinout Package Description Revision History Package Photo Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Dual 12A Channels Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current from 3.3VIN from 5VIN from 12VIN
100 100 100 95 95 95 90 90 90 85 85 85 VOUT = 0.9V VOUT = 0.9V V EFFICIENCY (%) OUT = 0.9V 80 EFFICIENCY (%) V 80 OUT = 1.0V EFFICIENCY (%) 80 VOUT = 1.0V VOUT = 1.0V VOUT = 1.2V VOUT = 1.2V VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 75 VOUT = 1.5V 75 VOUT = 1.8V 75 VOUT = 1.8V VOUT = 1.8V VOUT = 2.5V VOUT = 2.5V VOUT = 2.5V VOUT = 3.3V V 70 70 OUT = 3.3V 70 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4671 G01 4671 G02 4671 G03
1.0V Output Transient Response 1.2V Output Transient Response 1.5V Output Transient Response
VOUT VOUT VOUT (AC-COUPLED) (AC-COUPLED) (AC-COUPLED) 50mV/DIV 50mV/DIV 50mV/DIV LOAD STEP LOAD STEP LOAD STEP 2A/DIV 2A/DIV 2A/DIV 50μs/DIV 4671 G04 50μs/DIV 4671 G05 50μs/DIV 4671 G06 VIN = 12V, VOUT = 1V, fSW = 600kHz VIN = 12V, VOUT = 1.2V, fSW = 600kHz VIN = 12V, VOUT = 1.5V, fSW = 600kHz COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs
1.8V Output Transient Response 2.5V Output Transient Response 3.3V Output Transient Response
VOUT VOUT VOUT (AC-COUPLED) (AC-COUPLED) (AC-COUPLED) 50mV/DIV 50mV/DIV 100mV/DIV LOAD STEP LOAD STEP LOAD STEP 2A/DIV 2A/DIV 2A/DIV 50μs/DIV 4671 G07 50μs/DIV 4671 G08 50μs/DIV 4671 G09 VIN = 12V, VOUT = 1.8V, fSW = 600kHz VIN = 12V, VOUT = 2.5V, fSW = 600kHz VIN = 12V, VOUT = 3.3V, fSW = 600kHz COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS COUT = 3× 100μF CERAMIC CAPACITORS EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF EXT COMP, CTH = 2200pF, RTH = 5k, CFF = 33pF 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs 3A (25%) LOAD STEP, 1A/μs Rev. B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Component BGA Pinout Package Description Revision History Package Photo Related Parts