MP8670 – 6A, 30V, 420KHZ STEP-DOWN WITH SYNCHRONIZABLE GATE DRIVER

MP8670 Rev. 1.3

www.MonolithicPower.com

7

4/4/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2011 MPS. All Rights Reserved.

6

7

8

9

10

DUTY CYCLE (%)

Peak Current vs

Duty Cycle

INPUT VOLTAGE (V)

Line Regulation

1.002

1.001

1.000

0.999

0.998

0.997

02468

10

OUTPUT CURRENT(A)

Load Regulation

0

0.1

1

10

100

510

15

20

25

30

20

30

40

50

60

70

80

INPUT VOLTAGE (V)

Operating Range

Case Temperature vs

Output Current

Line Regulation

Disabled Supply Current

vs Input Voltage

5

0.80

0.86

0.92

0.98

1.04

1.10

3.5

3.8

4.1

4.4

4.7

5.0

0

0.1

0.2

0.3

0.4

0.5

10

15

20

25

30

12

3

4

56

5

8

11

14

17

20

510

15

20

25

30

INPUT VOLTAGE (V)

INPUT VOLTAGE (V)

INPUT VOLTAGE (V)

Enabled Supply Current

vs Input Voltage

0

30

40

50

60

70

80

90

100

25

30

35

40

45

50

55

60

0.99995

1.00000

1.00005

1.00010

1.00015

1.00020

1.00025

1.00030

123456

4.0

4.5

5.0

5.5

6.0

6.5

7.0

OUTPUT CURRENT(A)

OUTPUT CURRENT(A)

Efficiency vs

Output Current

600KHz

1MHz

420KHz