LTM4650A datasheet(8/36 Pages) AD

8 / 36 page

LTM4671

Rev. B

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS

1.0V Output Transient Response

1.2V Output Transient Response

1.5V Output Transient Response

1.8V Output Transient Response

2.5V Output Transient Response

3.3V Output Transient Response

5V Output Transient Response

Start-Up Waveform with No Load

Current Applied

Start-Up Waveform with 5A Load

Current Applied

50s/DIV

4671 G19

VOUT

(AC-COUPLED)

50mV/DIV

LOAD STEP

500mA/DIV

VIN = 12V, VOUT = 1V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

50s/DIV

4671 G20

VOUT

(AC-COUPLED)

50mV/DIV

LOAD STEP

500mA/DIV

VIN = 12V, VOUT = 1.2V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

50s/DIV

4671 G21

VOUT

(AC-COUPLED)

50mV/DIV

LOAD STEP

500mA/DIV

VIN = 12V, VOUT = 1.5V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

50s/DIV

4671 G22

VOUT

(AC-COUPLED)

50mV/DIV

LOAD STEP

500mA/DIV

VIN = 12V, VOUT = 1.8V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

50s/DIV

4671 G23

VOUT

(AC-COUPLED)

50mV/DIV

LOAD STEP

500A/DIV

VIN = 12V, VOUT = 2.5V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

50s/DIV

4671 G24

VOUT

(AC-COUPLED)

100mV/DIV

LOAD STEP

500A/DIV

VIN = 12V, VOUT = 3.3V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

50s/DIV

4671 G25

VOUT

(AC-COUPLED)

100mV/DIV

LOAD STEP

500A/DIV

VIN = 12V, VOUT = 1.8V, fSW = 1MHz

COUT = 2× 47F + 10F CERAMIC CAPACITORS

CFF = 100pF

1.25A (25%) LOAD STEP, 1A/s

20ms/DIV

4671 G26

LIN

200mA/DIV

VOUT

1V/DIV

PGOOD

5V/DIV

RUN

10V/DIV

VIN = 12V, VOUT = 1V, fSW = 1MHz

COUT = 2× 47 F + 10 F CERAMIC CAPACITORS

CFF = 100pF, CSS = 0.1F

20ms/DIV

4671 G27

LIN

200mA/DIV

VOUT

1V/DIV

PGOOD

5V/DIV

RUN

10V/DIV

VIN = 12V, VOUT = 1V, fSW = 1MHz

COUT = 2× 47 F + 10 F CERAMIC CAPACITORS

CFF = 100pF, CSS = 0.1F

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