MP2174C

– 5.5V, 4A, 1.1MHZ, SYNCHRONOUS STEP-DOWN SWITCHER

MP2174C Rev. 1.0

www.MonolithicPower.com

8

8/7/2019

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© 2019 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 5V, VOUT = 1.2V, L = 1µH, TA = 25°C, unless otherwise noted.

Output Ripple

VIN = 3.6V, VOUT = 3.3V, IOUT = 0A

Output Ripple

VIN = 5V, VOUT = 1.2V, IOUT = 0A

CH1:

VOUT/AC

10mV/div.

CH2: VIN

2V/div.

CH3: VSW

2V/div.

CH4: IL

500mA/div.

CH1:

VOUT/AC

10mV/div.

CH2: VIN

5V/div.

CH3: VSW

2V/div.

CH4: IL

2A/div.

4

μs/div.

1

μs/div.

Output Ripple

VIN = 5V, VOUT = 1.2V, IOUT = 4A

Transient

IOUT = 2A to 4A, 2.5A/

μs

CH1:

VOUT/AC

5mV/div.

CH2: VIN

5V/div.

CH3: VSW

2V/div.

CH4: IL

2A/div.

CH1:

VOUT/AC

50mV/div.

CH3: VSW

5V/div.

CH4: IOUT

2A/div.

1

μs/div.

100

μs/div.

VIN Start-Up

IOUT = 0A

VIN Start-Up

IOUT = 4A

CH1: VOUT

1V/div.

CH2: VIN

5V/div.

CH3: VSW

5V/div.

CH4: IL

1A/div.

CH1: VOUT

1V/div.

CH2: VIN

5V/div.

CH3: VSW

5V/div.

CH4: IL

5A/div.

1ms/div.

1ms/div.