MPQ4480 – 36V, 6A, SYNC STEP-DOWN CONVERTER FOR AEC1-Q100 QUALIFIED

MPQ4480 Rev. 1.0

www.MonolithicPower.com

8

7/2/2019

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 12V, VOUT = 5V, L = 4.7µH, fSW = 440kHz, TA = 25°C, unless otherwise noted.

Efficiency vs. Output Current

VOUT = 5V, fSW = 440kHz, L = 4.7µH

Efficiency vs. Output Current

VOUT = 5V, fSW = 2.2MHz, L = 2.2µH

60

70

80

90

100

01

23

45

67

OUTPUT CURRENT (A)

Vin=6V

Vin=12V

Vin=36V

60

70

80

90

100

01

234

567

OUTPUT CURRENT (A)

Vin=6V

Vin=12V

Vin=36V

 

Line Drop Compensation

R1 = 40.2kΩ

Case Temperature Rise vs. IOUT

4-layers, 5cmx5cm

0

200

400

600

800

1000

1200

1400

1600

1800

2000

024

6

OUTPUT CURRENT (A)

VDROP=GND

VDROP=Float

VDROP=VCC

0

5

10

15

20

25

30

35

40

45

50

02

46

8

OUTPUT CURRENT (A)