LTM4659EVPBF datasheet(5/26 Pages) AD

5 / 26 page

LTM4659

Rev. 0

For more information www.analog.com

Output Transient Response,

VIN = 3.3V, VOUT = 1.5V

Output Transient Response,

VIN = 5V, VOUT = 1.5V

Start-Up with No Load

VOUT

200mV/DIV

AC-COUPLED

ILOAD

5A/DIV

4659 G07

20 s/DIV

IOUT = 2.5A TO 7.5A,

OUTPUT CAPACITOR = 100 F + 22 F ×2

fSW = 2MHz

VOUT

200mV/DIV

AC-COUPLED

ILOAD

5A/DIV

4659 G08

20 s/DIV

IOUT = 2.5A TO 7.5A,

OUTPUT CAPACITOR = 100 F + 22 F ×2

fSW = 2MHz

4659 G09

10ms/DIV

VOUT

1V/DIV

IIN

1A/DIV

RUN

2V/DIV

VIN = 3.3V, VOUT = 1.5V, IOUT = 0A,

fSW = 2MHz

Start-Up with 10A Load

Start-Up with Prebiased Output

4659 G10

10ms/DIV

VIN = 3.3V, VOUT = 1.5V, RLOAD = 0.15Ω,

fSW = 2MHz

VOUT

1V/DIV

IIN

5A/DIV

RUN

2V/DIV

4659 G11

2ms/DIV

VOUT

500mV/DIV

PGOOD

2V/DIV

IIN

1A/DIV

RUN

2V/DIV

VIN = 3.3V, VOUT = 1.5V, IOUT = 0A,

fSW = 2MHz

TYPICAL PERFORMANCE CHARACTERISTICS

Short-Circuit with 10A Load

Short-Circuit with No Load

VOUT

1V/DIV

IIN

2A/DIV

4659 G12

100 s/DIV

VIN = 3.3V, VOUT = 1.5V, IOUT = 0A,

fSW = 2MHz

4659 G13

200 s/DIV

VOUT

1V/DIV

IIN

2A/DIV

VIN = 3.3V, VOUT = 1.5V, IOUT = 10A,

fSW = 2MHz

–10

FREQUENCY (MHz)

830

130

230

330

430

530

630

730

930 1000

4659 G14

[1] HORIZONTAL

QPK LIMIT

DC3248A DEMO BOARD, NO INPUT

EMI FILTER INSTALLED, 3.3VIN TO 1VOUT, RLOAD = 0.125Ω (8A)

Conducted EMI Performance (CISPR32 Radiated

Emission Test with Class B 10m)

LTM4659EVPBF Datasheet(PDF) 5 Page - Analog Devices

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