EV2174C-G-00A – 4A, 5.5V, 1.1MHZ, SYNC STEP-DOWN SWITCHER

EV2174CGG-00A Rev.1.0

www.MonolithicPower.com

3

2/25/2019

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 5V, VOUT = 1.2V, L =1µH, TA = +25ºC, 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.

4μs/div.

1μs/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.

1μs/div.

100μs/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.