1

Typical application and efficiency

Figure 1. Typical application circuit

MON

MON/FLT

EN

GND

P

GND

V

CC

V

DRV

SW

IN

PHASE

OUT

5 V

12 V

V

DRV

BOOT

V

V

A

PWM

I

REFIN

T

PWMx

ISENx

TSEN

CFILT

Figure 2. Efficiency vs. output current (VIN = 12 V, L = 150 nH, VCC = VDRV = 5 V)

10

70

73

76

79

82

85

88

91

94

97

100

0

10

20

30

40

IOUT - Output Current (A)

VOUT = 1.8V

FSW = 600kHz

VOUT = 1.8V

FSW = 800kHz

VOUT = 1.2V

FSW = 600kHz

VOUT = 1.2V

FSW = 800kHz

PM7080A

Typical application and efficiency

DS13910 - Rev 1

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