MP4541

– 80V, 0.8A, SYNCHRONOUS STEP-DOWN CONVERTER

MP4541 Rev. 1.0

MonolithicPower.com

5

5/28/2021

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 48V, TJ = -40°C to +125°C, unless otherwise noted.

VCC UVLO vs. Temperature

VCC Regulation Voltage vs.

Temperature

IVCC = 2mA

EN Input Threshold vs. Temperature

Valley Current Limit vs. Temperature

FB Reference Voltage vs.

Temperature

Micro-Power EN Threshold vs.

Temperature

2.0

2.5

3.0

3.5

4.0

4.5

5.0

-50

-25

0

25

50

75

100

125

TEMPERATURE (

℃)

VCC UVLO_Rising

VCC UVLO_Falling

3.0

3.5

4.0

4.5

5.0

5.5

6.0

-50

-25

0

25

50

75

100

125

TEMPERATURE (

℃)

0.6

0.8

1.0

1.2

1.4

1.6

1.8

-50

-25

0

25

50

75

100

125

TEMPERATURE (

℃)

EN_Rising

EN_Falling

600

650

700

750

800

850

900

950

1000

-50

-25

0

25

50

75

100

125

TEMPERATURE (

℃)

900

920

940

960

980

1000

1020

1040

1060

1080

1100

-50

-25

0

25

50

75

100

125

TEMPERATURE (

℃)

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

-50

-25

0

25

50

75

100

125

TEMPERATURE (

℃)

Micro Power EN_Rising

Micro Power EN_Falling