MP2172 – 5.5V, 2A, 2.6MHz, SYNCHRONOUS STEP-DOWN SWITCHER

MP2172 Rev. 1.0

www.MonolithicPower.com

8

4/24/2019

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© 2019 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 3.3V, VOUT = 1.2V, L = 1μH, COUT = 22μF, TA = +25°C, unless otherwise noted.

Start-Up through EN

IOUT = 0A

Start-Up through EN

IOUT = 2A

CH3: VEN

2V/div.

CH2: VOUT

1V/div.

CH1: VSW

2V/div.

CH4: IL

1A/div.

CH3: VEN

2V/div.

CH2: VOUT

1V/div.

CH1: VSW

2V/div.

CH4: IL

2A/div.

2ms/div.

2ms/div.

Shutdown through EN

IOUT = 0A

Shutdown through EN

IOUT = 2A

CH3: VEN

2V/div.

CH2: VOUT

1V/div.

CH1: VSW

2V/div.

CH4: IL

1A/div.

CH3: VEN

2V/div.

CH2: VOUT

1V/div.

CH1: VSW

2V/div.

CH4: IL

2A/div.

2ms/div.

2ms/div.

PG in Start-Up through VIN

IOUT = 2A

PG in Shutdown through VIN

IOUT = 2A

CH2: VOUT

1V/div.

CH3: VPG

2V/div.

CH1: VSW

2V/div.

CH4: IL

2A/div.

CH2: VOUT

1V/div.

CH3: VPG

2V/div.

CH1: VSW

2V/div.

CH4: IL

2A/div.

2ms/div.

2ms/div.