MP4571

– 60V, 1A, SYNCHRONOUS STEP-DOWN CONVERTER

MP4571 Rev. 1.1

www.MonolithicPower.com

19

2/22/2023

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 24V, VOUT = 5V, L = 15µH, fSW = 400kHz, TA = 25°C, unless otherwise noted.

SCP Recovery

IOUT = 0A, AAM

SCP Recovery

IOUT = 0A, CCM

CH2: VOUT

2V/div.

CH3: VPG

5V/div.

CH4: IL

2A/div.

CH1: VSW

20V/div.

CH2: VOUT

2V/div.

CH3: VPG

5V/div.

CH4: IL

2A/div.

CH1: VSW

20V/div.

4ms/div.

4ms/div.

SCP Recovery

IOUT = 1A

SCP Steady State

CH2: VOUT

2V/div.

CH3: VPG

5V/div.

CH4: IL

2A/div.

CH1: VSW

20V/div.

CH2: VOUT

2V/div.

CH3: VPG

5V/div.

CH4: IL

2A/div.

CH1: VSW

20V/div.

4ms/div.

4ms/div.

Load Transient

IOUT = 0A to 1A, AAM

Cold Crank

VIN = 24V to 4V to 5V, IOUT = 0A

CH2:

VOUT/AC

200mV/div.

CH4: IOUT

500mA/div.

CH3: VIN

10V/div.

CH1: VSW

10V/div.

CH2: VOUT

5V/div.

CH4: IL

500mA/div.

100µs/div.

40ms/div.