Datasheet LTM4671 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Quad DC/DC µModule Regulator with Configurable Dual 12A, Dual 5A Output Array |
| 页数 / 页 | 36 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Dual 12A Channels. Start-Up Waveform … |
| 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. Start-Up Waveform with No Load. Start-Up Waveform with 12A Load
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LTM4671
TYPICAL PERFORMANCE CHARACTERISTICS Dual 12A Channels Start-Up Waveform with No Load Start-Up Waveform with 12A Load Short-Circuit Waveform with No Current Applied Current Applied Load Current Exist
RUN RUN 10V/DIV 10V/DIV LIN PGOOD PGOOD 500mA/DIV 5V/DIV 5V/DIV LIN LIN 200mA/DIV 200mA/DIV VOUT VOUT VOUT 500mV/DIV 1V/DIV 1V/DIV 2ms/DIV 4671 G10 2ms/DIV 4671 G11 50μs/DIV 4671 G12 VIN = 12V, VOUT = 1V, fSW = 600kHz VIN = 12V, VOUT = 1V, fSW = 600kHz COUT = 1× 330μF POSCAP, COUT = 1× 330μF POSCAP, VIN = 12V, VOUT = 1V, fSW = 600kHz 2× 100μF CERAMIC CAPACITORS 2× 100μF CERAMIC CAPACITORS COUT = 1× 330μF POSCAP, CSS = 0.1μF CSS = 0.1μF 2× 100μF CERAMIC CAPACITORS
Short-Circuit Waveform with 12A Load Current Exist Output Ripple Start Into Pre-Biased Output
RUN L 10V/DIV IN 500mA/DIV PGOOD V 5V/DIV OUT (AC-COUPLED) VOUT 10mV/DIV V 1V/DIV OUT 500mV/DIV LIN 100mA/DIV 50μs/DIV 4671 G13 1μs/DIV 4671 G14 2ms/DIV 4671 G15 V V IN = 12V, VOUT = 1V, fSW = 600kHz VIN = 12V, VOUT = 1V, fSW = 600kHz IN = 12V, VOUT = 1.5V, fSW = 600kHz C C OUT = 1× 330μF POSCAP, COUT = 3× 100μF CERAMIC CAPACITORS OUT = 1× 330μF POSCAP + 2× 100μF CERAMIC CAPACITORS 2× 100μF CERAMIC CAPACITORS VOUT = PREBIASED TO 0.9V
Dual 5A 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 80 80 80 75 75 EFFICIENCY (%) 75 EFFICIENCY (%) VOUT = 3.3V EFFICIENCY (%) VOUT = 2.5V VOUT = 2.5V 70 VOUT = 1.8V 70 V V V OUT = 1.8V 70 OUT = 5.0V OUT = 1.5V VOUT = 1.5V V V V OUT = 1.5V OUT = 3.3V OUT = 1.2V 65 VOUT = 1.2V 65 V V V OUT = 1.2V 65 OUT = 2.5V OUT = 1.0V VOUT = 1.0V V V OUT = 1.0V OUT = 1.8V 60 60 60 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4671 F16 4671 F17 4671 F18 Rev. B For more information www.analog.com 7 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 Start-Up Waveform with No Load Start-Up Waveform with 12A Load Short-Circuit Waveform with No Current Applied Current Applied Load Current Exist
RUN RUN 10V/DIV 10V/DIV LIN PGOOD PGOOD 500mA/DIV 5V/DIV 5V/DIV LIN LIN 200mA/DIV 200mA/DIV VOUT VOUT VOUT 500mV/DIV 1V/DIV 1V/DIV 2ms/DIV 4671 G10 2ms/DIV 4671 G11 50μs/DIV 4671 G12 VIN = 12V, VOUT = 1V, fSW = 600kHz VIN = 12V, VOUT = 1V, fSW = 600kHz COUT = 1× 330μF POSCAP, COUT = 1× 330μF POSCAP, VIN = 12V, VOUT = 1V, fSW = 600kHz 2× 100μF CERAMIC CAPACITORS 2× 100μF CERAMIC CAPACITORS COUT = 1× 330μF POSCAP, CSS = 0.1μF CSS = 0.1μF 2× 100μF CERAMIC CAPACITORS
Short-Circuit Waveform with 12A Load Current Exist Output Ripple Start Into Pre-Biased Output
RUN L 10V/DIV IN 500mA/DIV PGOOD V 5V/DIV OUT (AC-COUPLED) VOUT 10mV/DIV V 1V/DIV OUT 500mV/DIV LIN 100mA/DIV 50μs/DIV 4671 G13 1μs/DIV 4671 G14 2ms/DIV 4671 G15 V V IN = 12V, VOUT = 1V, fSW = 600kHz VIN = 12V, VOUT = 1V, fSW = 600kHz IN = 12V, VOUT = 1.5V, fSW = 600kHz C C OUT = 1× 330μF POSCAP, COUT = 3× 100μF CERAMIC CAPACITORS OUT = 1× 330μF POSCAP + 2× 100μF CERAMIC CAPACITORS 2× 100μF CERAMIC CAPACITORS VOUT = PREBIASED TO 0.9V
Dual 5A 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 80 80 80 75 75 EFFICIENCY (%) 75 EFFICIENCY (%) VOUT = 3.3V EFFICIENCY (%) VOUT = 2.5V VOUT = 2.5V 70 VOUT = 1.8V 70 V V V OUT = 1.8V 70 OUT = 5.0V OUT = 1.5V VOUT = 1.5V V V V OUT = 1.5V OUT = 3.3V OUT = 1.2V 65 VOUT = 1.2V 65 V V V OUT = 1.2V 65 OUT = 2.5V OUT = 1.0V VOUT = 1.0V V V OUT = 1.0V OUT = 1.8V 60 60 60 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4671 F16 4671 F17 4671 F18 Rev. B For more information www.analog.com 7 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