MP8794

– 16V, 20A, SYNCHRONOUS STEP-DOWN CONVERTER

MP8794 Rev. 1.0

www.MonolithicPower.com

8

12/2/2019

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© 2019 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 12V, TA = 25°C, VOUT = 1.2V, fSW = 800kHz, unless otherwise noted.

Efficiency

Pulse skip, 0.4

μH, 800kHz

Efficiency

Forced CCM, 0.4

μH, 800kHz

50

55

60

65

70

75

80

85

90

95

100

0

5

10

15

20

LOAD CURRENT (A)

Vo=1V

Vo=2.5V

Vo=5V

50

55

60

65

70

75

80

85

90

95

100

0

5

10

15

20

Vo=5V

Vo=2.5V

Vo=1V

OUTPUT CURRENT (A)

Thermal Results

800kHz, no air flow

Switching Frequency vs. Output

Current

Forced CCM

10

20

30

40

50

60

70

80

90

100

110

0

2

4

6

8

10

12

14

16

18

20

Vo=5V

Vo=2.5V

Vo=1V

OUTPUT CURRENT (A)

500

600

700

800

900

1000

1100

1200

0

2

4

6

8

10 12 14

16

18

20

600KHz

800KHz

1000KHz

OUTPUT CURRENT (A)

Output Voltage Load Regulation

1

1.002

1.004

1.006

1.008

1.01

1.012

1.014

1.016

1.018

1.02

0

5

10

15

20

LOAD CURRENT (A)

PULSE SKIP

FORCED CCM