8

Rev.1.1

15 -

■Typical characteristics

• ELM9527AxE(Vout=2.7V, Fosc=55kHz, Duty=60%) L=220µH, Cin=Cout=47µF, D=DB2J208, Top=25°C

�

ELM9527AxE (VOUT=2.7V, Fosc=55kHz, Duty=60%) L=220�H, CIN=COUT=47�F, D=DB2J208, Top=25�

0.0

0.5

1.0

1.5

2.0

2.5

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

Iout=60mA

Iout=10mA

Iout=1mA

Vout-Vin

Vin (V)

0.1

1

10

100

1000

2.3

2.4

2.5

2.6

2.7

2.8

2.9

Vin=1.8V

Vin=0.9V

Vout-Iout

Iout (mA)

Vin=1.5V

Vin=1.1V

0.1

1

10

100

1000

50

60

70

80

90

100

Vin=1.8V

Vin=0.9V

Efficiency-Iout

Iout (mA)

Vin=1.5V

Vin=1.1V

-40 -20

0

20

40

60

80

2.62

2.64

2.66

2.68

2.70

2.72

2.74

45

50

55

60

65

70

75

Vout

Vout, Frequency-Top

Top (�)

Frequency

Vin=1.5V, Iout=10mA

0

10

20

30

40

50

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Vst

Vst, Vhold-Iout

Iout (mA)

Vhold

0 2 4 6 8 10 12 14 16 18 20

2.4

2.5

2.6

2.7

2.8

2.9

3.0

0

50

100

Vout

Vin=1.5V

Load transient response

Time (ms)

Iout

1mA

1mA

50mA