����������������������������������������������������������������� Maxim Integrated Products  5

MAX15112

High-Efficiency, 12A, Current-Mode Synchronous

Step-Down Regulator with Integrated Switches

Typical Operating Characteristics (continued)

EFFICIENCY vs. LOAD CURRENT

LOAD CURRENT (A)

1

55

60

65

70

75

80

85

90

95

100

50

0.1

10

100

SWITCHING FREQUENCY

INPUT VOLTAGE (V)

5.0

4.5

4.0

3.5

3.0

920

940

960

980

1000

1020

1040

1060

1080

1100

900

2.5

5.5

OUTPUT VOLTAGE

vs. INPUT VOLTAGE (PWM)

INPUT VOLTAGE (V)

5.0

4.5

3.0

3.5

4.0

1.494

1.496

1.498

1.500

1.502

1.504

1.506

1.508

1.492

2.5

5.5

OUTPUT VOLTAGE ERROR

INPUT VOLTAGE (V)

5.0

4.5

3.0

3.5

4.0

-0.15

-0.10

-0.05

0

0.05

0.10

0.15

0.20

-0.20

2.5

5.5

OUTPUT VOLTAGE

LOAD CURRENT (A)

10

8

6

4

2

1.492

1.494

1.496

1.498

1.500

1.502

1.504

1.506

1.508

1.510

1.490

0

12

LOAD-TRANSIENT RESPONSE

MAX15112 toc09

20mV/div

AC-COUPLED

6A

2A/div

0.1A

40µs/div